do sailing yachts have engines

Do Sailboats Have Motors?

Last Updated by

June 15, 2022

Do sailboats have motors? That is a really great question! It's a bit of a complicated question as the answer varies from boat to boat. The size, intended use, and age of the vessel all have to be taken into consideration. Also, to successfully handle a cruising sailboat with no motor aboard, a great deal of boating experience is necessary. On many sailboats it can be nearly impossible to tell if it has a motor from the outside, as long as it is in the water.

Cruising sailboats will almost always have a motor of some sort. Coastal cruisers and blue water boats will generally have an inboard engine, while smaller day trip sailboats may only have an outboard motor. Dinghy sailboats generally only utilize wind propulsion, as well as sailboats whose owners prefer to go motorless.

Sailboats have been around for thousands of years and only recently has it become standard for them to have engines. Small sailboats such as a Hobbie Cat or Sunfish do not have a motor. They are generally propelled solely by the wind. However as boats grow in size the necessity of a motor becomes clear for most sailors. Exiting a slip on sail power alone can be quite a challenge, so an oar is utilized for the task. While not essential, a motor is very handy to have in tight anchorages and harbors.

My sailboat has an inboard Yanmar engine. It is a small, simple, 15 horsepower engine that pushes my sailboat where I need it to go on windless days. I'm very thankful for our engine as we would be unable to travel consistently without it. Sails won't move a boat without wind and I travel the ICW regularly so traffic and currents are often an issue.

Table of contents

Two Types Of Sailboat Motors

There are two configurations of motors on sailboats: inboard and outboard. How effectively the motor moves its vessel through the water is dependent upon sea state, wind direction, and current. A sailboat requires a certain amount of speed to maintain steerage. It is possible for a motorized sailboat, inboard or outboard, pounding into the wind against the current to lose its ability to hold course.

Outboard Motor

Outboard motors are attached to the transom or back of the sailboat using a special motor mount . The motor mount allows the outboard motor to be raised or lowered as necessary.

There are many different brands of outboard motors. They come in a range of various horsepower. By knowing a vessel's hull speed, or maximum speed the hull is designed to travel through the water, the appropriate horsepower can be chosen.

There are both diesel and gasoline outboard motors . They are available in two-stroke or four-stroke configuration.

The controls for the outboard motor may be at the motor itself or installed in the cockpit of the sailboat.

One major downside to an outboard motor is it's inability to keep the propeller fully in the water in certain conditions. Steep waves can cause an outboards propeller to rise up to the surface of the water and cavitate which means loss of power for the vessel.

A couple of friends of mine found themselves in a tight spot a few years back when the weather turned unexpectedly in their anchorage. In the close together 3-4 foot waves, their outboard couldn't get enough time in the water to propel the sailboat forward so they could pull their anchor. After a long seasick night, they were forced to cut their anchor free and seek safe harbor elsewhere.

Outboard motors do have their advantages on small daysailers . They do not create drag while sailing since they can be angled it of the water. It is easier to access or remove an outboard motor for maintenance. Replacing an outboard motor is less expensive than an inboard.

Inboard Motors

An inboard motor is a motor that is installed within the sailboat. It is not visible from the outside of the boat. Besides the sound, the only evidence of its presence is the water coming out of the exhaust at the stern, or back, of the boat. Inboard motors are generally water cooled and the wastewater exits the boat with the exhaust.

The propeller operates on a shaft which runs through the hull of the sailboat underneath and connects up to the motor. Controls for the motor are in the cockpit.

Inboard motors are larger than outboard motors of the same horsepower. This can create ballast and stability for the vessel. By having the propeller deeper in the water, cavitation is eliminated. However, since inboard motors are often installed prior to deck installation, cutting a portion of the deck away is often necessary when it comes time to replace them.

Motorized Catamarans

Cruising catamarans generally have two motors, one for each hull. These may be inboard or outboards. Some sailing catamarans only use a single outboard motor centrally located between the two hulls.

Wind Powered Sailboats

There are many world cruising sailboats that do not have a motor. The crew of these vessels have the skill and confidence necessary to maneuver their boat within anchorages and marinas.

Having the experience and knowledge necessary to navigate a sailboat solely by wind power is certainly something to be admired. Besides having a well designed boat in hull and sail configuration, engineless sailors also rely on a number of other tools to assist them in their motorless pursuits.

A skulling oar is a necessity for any motorless vessel. By sweeping the oar behind the stern of the boat in a figure eight motion, forward momentum can be achieved as well as steerage. This is often how a sailboat with no motor may enter a slip or maneuver a tight anchorage in windless conditions.

Anchors are occasionally used as brakes when quick deceleration is necessary.

Small Motorless Sailboats

Training sailboats.

Training sailboats are small, simple boats which are used by sailing schools to teach new sailors the basics of sail handling. They have no motor and rely solely on wind power . These vessels are only used for a few hours at a time during a class. They have no onboard features such as a bathroom, cabin structure or electronics. They are steered by tiller.

Small Catamarans

There are a number of small sailing catamarans on the market that do not have motors. They are light, fast, and very reactive to the wind. Due to their double hull configuration, they are less prone to capsizing than monohulls .

A Sailboat With No Wind

Whether the motorless sailboat is a world cruiser or a small training sailboat, they are unable to travel if they find themselves in windless conditions.

Training and racing sailboats will stay in port on windless days. However, world cruisers may find themselves in the middle of the ocean with no wind. This can become a dangerous situation if it persists for too long.

When crossing an ocean, the crew will provision, or stock, the boat for the estimated duration of the crossing. If they find themselves becalmed for an extended period, food and water can become an issue.

While sailors have been known to need rescue due to extended calm conditions, this is far from the norm. Most motorless sailors find that they rarely need to wait more than a few days for the wind to return.

Even the slightest breeze will move a proficient sailing vessel through the water, so the key to motorless sailing is patience. The journey is often just as enjoyable as the destination.

Beth lives on board her 1983 30ft S2 sailboat with her husband, 6 year-old son, and her two fur babies. She has been sailing and boating for most of her life. Beth has been blessed to experience cruising in the Great Lakes, the Bahamas, and in Alaska. She loves to travel and adores living on her tiny boat with her family.

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Do Yachts Have Engines? Here’s What You Need To Know

From luxury cruises to sailing regattas, yachts of all sizes and shapes have been part of the maritime culture for centuries.

But how do these boats move? Do yachts have engines ? If so, what types of engines are available? In this article, we will explore the different types of engines used for yachts, their advantages and disadvantages, and how to properly care for and maintain them.

So, if you’re looking for more information on what it takes to power a yacht, read on to discover all the answers you need!.

Table of Contents

Short Answer

Yes, most yachts have engines.

The size and type of engine vary depending on the size of the yacht and its intended use.

Generally, larger yachts will have larger engines, such as inboard motors, while smaller yachts may have outboard motors.

Sailboats, which do not have engines, are a type of yacht, but many modern yachts are powered by both sails and engines.

Types of Engines Used for Yachts

Yachts come in a variety of sizes and types, and the type of engine used to power them depends on the size and type of the yacht.

The most common type of engine used for yachts is a gasoline or diesel engine, both of which are used to propel the yacht through the water.

Gasoline engines are typically the preferred option for larger yachts due to their power and reliability.

Diesel engines are more fuel-efficient and can be used on smaller yachts or for those who want to reduce their environmental impact.

Electric engines are becoming more popular in recent years, as they are quieter and more efficient than their gasoline and diesel counterparts.

Electric engines are usually used for smaller yachts, or for those who want to reduce their environmental impact.

Yachts that are powered solely by wind or sails are also available, although these tend to be much smaller and less common.

When selecting an engine for a yacht, it is important to consider the size, weight, and power requirements of the vessel.

Yachts that require more power and speed will need a larger engine, while smaller yachts can use a smaller engine.

The type of engine will also depend on the type of fuel it uses, as some engines are specifically designed for either gasoline, diesel, or electric.

Finally, it is important to consider the maintenance requirements of the engine.

Engines that require regular maintenance and servicing can be more expensive to maintain and operate over time, and should be taken into consideration when selecting the right engine for your yacht.

Gasoline and Diesel Engines

Gasoline and diesel engines are the most common type of engine used to power yachts.

These engines are powerful, reliable, and provide enough power to propel a yacht through the water.

They are usually the engine of choice for larger yachts, due to the amount of power they provide.

Gasoline and diesel engines are also known for their fuel efficiency, making them a cost-effective option for powering your yacht.

When selecting a gasoline or diesel engine for your yacht, it is important to consider the size and type of engine you need.

The size of the engine will depend on the size of your yacht and the type of activities you plan to do with it.

For example, larger yachts may need more powerful engines to handle the increased weight, while smaller yachts may be able to get away with smaller, less powerful engines.

Additionally, the type of engine you choose will depend on the type of fuel you will be using.

Gasoline engines are typically more cost-effective, but diesel engines are better for longer trips and provide more torque.

Finally, it is important to consider the maintenance and upkeep associated with your engine.

While gasoline and diesel engines are typically reliable and require minimal upkeep, they do require regular inspection and maintenance to keep them running smoothly.

Additionally, it is important to use the correct type of fuel for your engine to ensure optimal performance.

Electric Engines

Electric engines are becoming more popular in the yacht industry due to their efficiency and quiet operation.

Electric engines run on electricity, usually from a battery, and are powered by an electric motor.

This motor is connected to the propeller shaft, which provides the motive power for the yacht.

Electric engines are typically quieter than their gasoline and diesel counterparts, making them ideal for those looking for a peaceful experience on the water.

They are also more efficient than the traditional engines, meaning they use less energy and produce fewer emissions.

This makes them a great choice for those looking to reduce their environmental impact.

However, electric engines are not suitable for powering large yachts as they are limited in power and speed.

They are best suited for smaller vessels, such as dinghies and tenders.

Additionally, they require frequent charging, so they are not ideal for long trips or extended use.

Overall, electric engines are a great choice for those looking for a quieter and more efficient option for powering their yacht.

They are becoming increasingly popular in the yacht industry, and with advancements in technology, they are likely to become even more popular in the years to come.

Yachts Powered by Wind and Sails

Yachts powered solely by wind and sails are a great way to get out on the open water without the need for an engine.

These boats are typically smaller and less common than those powered by an engine, but they offer an incredible experience nonetheless.

Sailing yachts are a unique way to explore the open water, and they can be an incredibly rewarding experience for those who are seeking an adventure on the high seas.

Sailing yachts are typically powered by a combination of sails and the wind, and they can be either monohull or multihull designs.

Monohull yachts, such as sloops, cutters, and catamarans, are the most common type of sailing yachts.

These are propelled forward by the sails, which are adjusted to capture the most wind and provide the most thrust.

Multihulls, such as trimarans, are propelled by two or more hulls, which can provide greater stability in choppy waters.

Sailing yachts are a great way to explore the open water in a unique and exciting way.

They require no fuel and are typically quieter than motorized yachts, making them the perfect choice for peaceful sailing trips.

They also offer a more intimate experience with the sea, as the wind and waves can be felt more directly than when in a motorized vessel.

Regardless of the type of yacht you choose, sailing is a great way to explore the open water.

The feeling of the wind in your sails and the sound of the waves crashing against the hull can be an incredibly rewarding experience.

Whether you choose to go solo or with a group of friends, sailing can provide an unforgettable experience.

Advantages and Disadvantages of Different Engines

When it comes to powering a yacht, there are several different engine types to choose from.

Gasoline and diesel engines are the most common, and they are powerful and reliable.

However, they are also noisy and produce a lot of emissions, which can be a concern for those who use their yachts in environmentally sensitive areas.

Electric engines, on the other hand, are becoming increasingly popular as they are quieter and more efficient than their gasoline and diesel counterparts.

They are also more eco-friendly, as they produce fewer emissions and are more fuel efficient.

However, electric engines have their own set of disadvantages, as they require a reliable source of electricity, such as a generator, to operate.

They also tend to be more expensive than gasoline and diesel engines, and require more maintenance.

Wind and sail-powered yachts are a great option for those who want a quieter, more eco-friendly option.

However, these tend to be much smaller than those powered by engines, and can only be used in areas with consistent wind.

Ultimately, the best engine type for a yacht depends on the size and type of yacht, as well as the area in which it will be used.

Those who are looking for a powerful, reliable engine should consider a gasoline or diesel engine, while those who want a more eco-friendly option should look into electric engines or sail-powered yachts.

Maintenance and Care for Yacht Engines

When it comes to maintaining and caring for your yacht’s engine, it is important to follow the manufacturer’s instructions closely.

This includes regular maintenance such as oil changes, checking and replacing filters, and inspecting the engine for any signs of wear and tear.

If your yacht has a diesel engine, you may need to periodically have the fuel filters changed.

Additionally, it is important to make sure that the engine is properly lubricated and that all of the necessary fluids are topped off.

Additionally, it is a good idea to have a professional mechanic inspect your engine at least once a year to ensure it is running smoothly.

It is also important to be aware of the environment when operating your yacht.

For example, if you are operating a gasoline engine, make sure to always use an appropriate fuel that is designed for marine use.

Additionally, if you are operating in a sensitive area, make sure to turn off your engine and use sails instead.

Finally, make sure to use an appropriate fuel filter to reduce the amount of water and contaminants in the fuel, which can damage the engine.

Finally, it is important to store your yacht properly when not in use.

Make sure to winterize the engine by draining the fuel and oil, and changing the oil filter.

Additionally, make sure to cover the engine to protect it from the elements, and periodically inspect the engine for any signs of corrosion or wear and tear.

By following these steps, you can ensure that your yacht’s engine will remain in good condition for years to come.

Cost of Yacht Engines

When it comes to the cost of yacht engines, it really depends on the type of engine you choose and the size of the yacht.

Generally, gasoline and diesel engines are the most common and are typically the most expensive, with prices ranging from a few thousand dollars for a small outboard motor to several hundred thousand dollars for a large inboard motor.

Electric engines are becoming increasingly popular, and they tend to be the most affordable, with prices ranging from a few hundred dollars for a small electric motor to tens of thousands of dollars for a large one.

Additionally, yachts that use only wind or sail for power tend to be much smaller and less expensive, but they can still be quite costly depending on the size and type of vessel.

Final Thoughts

In conclusion, it is clear that yachts have engines, and these engines can vary from gasoline, diesel, or electric.

With advances in technology, electric engines are becoming increasingly popular due to their efficiency and quietness.

Yachts powered solely by wind or sails are also available, although these tend to be much smaller and less common.

Depending on the type of yacht you own, it is important to understand the advantages and disadvantages of each engine and the maintenance and cost associated with each.

Now that you know the answer to the question Do yachts have engines, you are all set to research the best engine for your yacht and make the most of your boating experience.

James Frami

At the age of 15, he and four other friends from his neighborhood constructed their first boat. He has been sailing for almost 30 years and has a wealth of knowledge that he wants to share with others.

Do Sailboats Have Motors?

Table of Contents

Most sailboats over the length of 16 feet have some form of auxiliary power. That may be an electric motor or gas-powered outboard. But the larger a sailboat, the more need there is for an engine.

The purpose of a motor on most sailboats is for maneuvering when in the harbor or marina. Sailors also use a motor when loading their sailboat onto their trailers. Of course, all of the above can be done without a motor, but it takes a lot of skill. However, a powered boat sure is nice to have when you’re making a run for safe harbor or when the wind stalls.

What is a sailboat with a motor called?

Most modern sailboats have motors. The type of motor depends on the age of the boat, the size of the vessel, and its purpose. However, there is a class sailboat called a motorsailer . It has an engine that can move it along at speed without the sails, or only the sails can propel it.

Many older motorsailer designs don’t do very well at either task. Newer designs, however, range from a mere 26 feet to 100 feet or more, and sail and motor equally well, due to modern boat designs and engineering techniques.

Sailors tend to be purists, and although motors are necessary for safety, they want them to be as unobtrusive as possible. Even today’s motorsailers are on board with this philosophy. As we age, hanging over the rail retrieving a loose sail gets less and less exciting, and the appeal of a motor sailor becomes greater.

Do all sailboats have a motor?

No, because many real small sailboats don’t need one, and a paddle will suffice as auxiliary power. Prams, dinghies, small sailboats, and beach cats don’t generally need a motor. This is because they are primarily sailed from the beach. However, small sailboats can benefit from the use of today’s modern electric motors.

Unlike older electric boat motors that require a heavy battery for power, modern electric outboard motors have self-contained batteries. This fact makes using them a breeze. The problem with them is the battery doesn’t have enough juice to last more than a few hours.

That is okay if you are in a dinghy, but in a larger sailboat that may go out past the horizon, you want a motor that will get you back home.

What types of motors do sailboats have?

There are four distinct types of marine engines and thrusters, too.

1. Gas outboard engines

As already mentioned, gas outboards are used primarily for boats less than 30 feet in length. They are convenient because they cause no motor odor in the cabin , and you can replace them quickly if they fail. These motors range from three horsepower up to over 50 horsepower for some sailboats. Gas outboards have been used on sailboats for over 50 years, and they will continue to be used for years to come.

2. Diesel engines for sailboats

Diesel engines are the power of choice for sailboats . They are reliable, efficient, and relatively quiet. Diesel sailboat motors range from a tiny nine-horsepower unit, for smaller boats, up to about 125 horsepower, which is enough power for all but larger motorsailers and sailboats.

Until the 1970s, the most common inboard diesel for sailboats was Universal’s Atomic 4. However, since they closed their doors, several companies have worked to fill the marine engine niche. These companies include John Deer, Kubota, Yanmar, and Westerbeke, who still makes parts for the Atomic 4. All of them make marine diesel engines for small and large sailboats.

3. Electric motors for sailboats

Electric outboard motors have been mentioned for use on prams, dinghies, and other small craft. However, due to trial and error, electric motors have been designed to power sailboats larger than dinghies and trailer sailors. Like diesel motors, electric motors are placed in the lower section of the boat and connected to a shaft and propeller . Connected to a large bank of batteries that can be recharged with solar panels, a wind generator, or a hydro generator, an electric motor is used for maneuverability around the harbor and marina.

Using a purely electric motor for a sailboat has limitations due to the inability to store or generate enough power to motor for hours at a time. Due to this small storage capacity, they can only be used for a short time before they need to be recharged.

4. Hybrid electric power for sailboats

Combining the attributes of diesel power with the clean energy of electricity , hybrid-electric power plants, aka diesel-electric power, is the best of both worlds. With this type of power in your sailboat, power is almost free and endless. Note I said, virtually, because the diesel tank does need to be filled occasionally.

Hybrid electric power uses an electric motor to power your boat and a small diesel engine to charge the bank of batteries. When combined with solar panels and other methods of battery recharging, hybrid-electric power is becoming standard on new production sailboats and as conversions on older sailboats.

5. About those thrusters

The motor no one sees, bow thrusters are a great aid when docking or putting your boat on a trailer. Once only seen on sailboats over 50 feet in length, bow thrusters are a significant aid when docking and maneuvering around other craft in the harbor. They are now available for boats as small as 25 feet in length.

Types of sailboats

Motorsailers were mentioned above, but hull types have not been, and there are three main types of hulls for sailboats. They are the monohull , which means just what it says; the boat has one hull and usually just one motor. However, some large motorsailers often sport two engines.

Catamaran sailboats have two hulls, and many of those over 30 feet in length has two engines. Two engines are great for the redundancy of systems. Still, it is an added expense because it costs more to maintain two motors than one.

The next type of sailing vessel you will see in small and extremely large versions is the trimaran, which has three hulls. However, three hulls do not equate to three engines, and they generally have only one inboard motor for boats over 30 feet. Smaller trimarans use outboard motors for power or no power at all.

The cost of owning a sailboat

Small sailboats that can fit on a trailer and get hauled to the water have a low cost to own. In addition, general maintenance is not very expensive . Any care that you need to do is usually within the scope of sailboat owners with moderate skills with tools.

However, when you get into the realm of diesel engines, hybrid power systems, and bow thrusters, maintenance takes on a new dimension. Most boat owners can do the maintenance necessary to keep their engines running, such as oil changes, checking fluids, and filtering fuel .

However, when the time for servicing comes, a mechanic will be necessary. They run a minimum of $100 an hour unless you are lucky enough that you can call a friend.

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Boatsetter empowers people to explore with confidence by showing them a world of possibility on the water. Rent a boat, list your boat, or become a Boatsetter captain today.

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Everything You Need to Know About Sailing With or Without an Engine

Whether you’re a seasoned motor yacht skipper or are looking to make the jump from diesel to wind power, you might be wondering what type, if any, engine you’ll need to compliment your sails when the force of mother nature isn’t up to the job.

In short it is prudent to have an engine fitted to any sailing vessels over about 6 foot in length, largely as a safety measure to ensure you’ve got better control over your boat in a congested marina. Smaller boats such as dinghies aren’t considered large enough to do any major damage and can easily be controlled by paddles when necessary.

What Kind of Engines do Sailboats Have?

As with motor boats the simplest and least intrusive way of powering a sailing boat is to use an outboard motor, clamped to the transom.

Even though a dinghy isn’t really large enough to worry about powered assistance; there is always the option to use a small electric outboard, or ‘trolling’ motor when navigating around a harbour. Indeed some people choose to use lightweight electric outboards to give them power assistance on larger vessels such as skiffs up to about 30 foot in length.

If you do opt to go down the electrical route, bear in mind that the classic foibles around electric motors, and more importantly the batteries that power them, will likely rear their ugly head. In essence, such small motors need to be run at full power to move a sailing yacht at a reasonable speed. And as you might expect, a typical battery bank won’t sustain greater horsepower for any great length of time.

Nonetheless, for short journeys (ie in and out of harbour) at low speed, in calm conditions, you might be okay relying on an electric outboard.

The other great advantage of using a lightweight electric outboard is of course that it doesn’t have to be a permanent fixture (and eyesore) on your transom; you can simply stash it below deck and grab it as and when needed.

Despite the advantages of electric motors, diesel engines remain the most popular power plant of choice among sailing boat owners, simply because they’re so reliable and have a power to weight ratio that can’t be beaten.

Whilst diesel outboards are an option, personally I don’t think they fit the sailing boat aesthetic terribly well, thus inboard diesels are a much better option, especially on vessels over 25 foot where the engine is to be a permanent fixture.

For many years the sailing boat inboard diesel market was dominated by one particular model the ‘Atomic 4’ made by the now defunct Universal Motor Company. Westerbeke continue to make and supply spare parts for these engines, which can come in very handy given the abundance of boats fitted with Atomic 4s on the second hand market.

In the wake of the success of the Atomic 4 many other manufacturers have gone on to achieve popularity over the last 40 years, and now models by Yanmar, Westerbeke, Kubota and John Deere are commonplace aboard new sailing vessels.

For simplicity’s sake sailing boat inboard engines are typically installed near amidships with a straight propeller shaft. More complex arrangements such as V-Drives tend to be reserved for motor yachts, where such configurations offer significant operational advantages.

As far as how much fuel is typically carried, depending on how thirsty your engine is a 30 gallon tank for a 30 foot yacht is a good baseline. Bear in mind that while this gives you a bit more flexibility to keep moving when you’re travelling greater distances over a period of days or weeks, it isn’t a substitute for being under sail.

It’s also a really good idea to keep a couple of jerry cans full of diesel in addition to your primary tank. This will get you out of trouble should you realise you’ve been a bit too reliant on your engine for any reason and need to be able to limp back to shore!

Diesel Electric

If you want the benefits of an electric drive but without the drawbacks of batteries, then diesel-electric propulsion is a good choice.

If you’re not familiar with what this means, it’s quite simply the use of an inboard diesel engine (generator) to generate the electricity required to charge the batteries that drive the electric drive motor or motors. Very often you’ll make use of the generator for other auxiliary system such as air conditioning as well, so having a generator aboard is useful beyond powering the drive system.

One of the most obvious benefits to a hybrid system besides the fact that batteries can be charged as you go, is if you choose to use azimuthing ‘pod’ thrusters that give you superior maneuverability in the confined space of a marina.

How do I Calculate the Right Size Engine for my Sailboat?

You’ll find there are a number of different calculations you can use to determine what size engine you should fit to your boat, from how fuel efficient you want to be, to whether you plan to use the vessel at speed (not so likely when using your engine to navigate safely in a marina).

Clearly the need to travel at speed like a motor vessel isn’t necessary with a sailing boat, but you’ll still need enough power to get you out of trouble should you find yourself in challenging conditions.

Without digging too deeply into the naval architecture behind this, a good rule of thumb is to choose an engine that will allow you to cruise at maximum hull speed plus a little bit more to cope with challenging conditions. In other words with the displacement hull of a sailing boat there is, for all intents and purposes, a limit to how fast the boat will travel. Whilst going faster than this limit (hull speed) is certainly possible, it requires a great deal of power to do so, which is both expensive and impractical.

So choosing an engine that provides 30% power than is required to reach ‘hull speed’ will ensure that you reach the maximum speed possible, even in rough conditions.

Hull speed is determined by the following formula:

HS = 1.34 x √LWL

(Hull Speed = 1.34 x the square root of the length of the vessel at the waterline)

So for example a 25’ yacht with a LWL of 20’

1.34 x √20 = 5.9 knots

I know what you’re thinking, where does the 1.34 figure come from? Well this is a constant relating to the wavelength of the waves generated by the displacement hull. Don’t worry too much about it, just know that it works!

Knowing the hull speed of your boat means you can determine roughly what the best engine will be for your sailing boat. For instance if you’re looking to replace your existing engine with something more powerful, knowing how close it currently gets to hull speed will give you some idea of how much bigger you need to go to actually achieve it.

As for determining a suitable engine from scratch, there are many factors to consider, but the oft quoted rule of thumb is 4hp per ton of displacement. Again see which engines are able to deliver this, and then see if you can cross reference with your hull speed estimate, as well as taking into account what manufacturers of boats of a similar size and design fit to their vessels.

How Much Does it Cost to Retrofit an Engine to a Sailboat?

Whether you haven’t got an engine in your sailboat at present, or you don’t think the one you have is correctly sized, you might be interested to know how much it might cost to get one fitted.

For an inboard engine between 6 and 80 kW, you’re looking at somewhere between $4000 and $10000 purchase cost, while a boatyard will probably charge you between $3000 and $5000 for the privilege of installing it for you.

Of course there are more variables involved in this than I could possibly mention here, but this at least gives you a rough idea of what you can expect to pay.

Is it Safe to Sail Without an Engine?

Many of us cut our teeth in the sailing world commanding dinghies and small boats, none of which are fitted with engines. So the process of coming alongside and docking in a sailboat using only the power of the wind shouldn’t really be a daunting experience for most sailers, yet most would baulk at the thought of doing so in a larger, heavier vessel.

In short, it is safe to sail without the force of several artificial horses ready and waiting should you need them, but only if you’ve got the confidence to do so. It’s important not to simply assume that your experience of handling a smaller vessel will carry over when in command of a much larger one. The increased inertia of a bigger boat in particular can catch you off guard if you’re not careful!

Above all the most important consideration is to think several steps further ahead when under sail, simply because you can’t course correct with the same speed as you can with an engine. If you currently rely on your engine a lot at present but are toying with the idea of taking a more pure ‘sails only’ approach, then a good place to start is practice docking without the engine, or at least gradually tapering down your reliance on it.

The other thing to watch out for is whether legislation in your locale demands that you have some form of engine for backup purposes. Indeed some locations such as the Chesapeake and Delaware canals are legally off limits to non motorised vessels, so in such places, even with your sails up, you must be under engine power at the same time.

Advantages of Not Having an Engine

Whilst having an engine takes a lot of the stress (and arguably skill) out of sailing, it isn’t all good news, and there are a few drawbacks to having an engine in your sailboat:

The cost of the engine, both in the initial outlay and maintenance is significant. You’re looking at several hundred dollars a year just to keep the thing running, serviced and winterized
The cost of fuel also needs to be factored in. Yes sails need to be replaced and repaired too, but fuel is by far a bigger consumable
Because your engine likely doubles as a generator to aid with the running of other systems, you’re likely reliant on those systems as well, whether it’s your fridge or air con. Adopting a pure sail only approach might make you want to think twice about having the expense of other systems to worry about too.

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My Cruiser Life Magazine

Yacht vs Sailboat – A Definitive Guide

What exactly is a yacht, anyway? Does it have to be a motor boat? But what about large sailing yachts?

The term is confusing because it is used differently in different places. Sometimes, it’s a term only reserved for large motor yachts with multiple crew member teams.

Here is a look at my observations. You might find that the lines are different in your harbor, but this article should get you started.

Sailboat vs Yacht – What’s the Difference?

Six Things that Make It a Yacht

So what’s a yachtie, then, sailing yacht vs motor yacht, types of yacht — what makes it a megayacht, modern yachts, classic designs.

What about Yacht Racing?

Sailing Yachts or Motor Yachts

Faqs – motor and sailing yachts vs sailboats.

Sailboat vs Yacht – What’s the Difference?

Before diving in, it should be noted that there is some regional variation at play. For example, American and British sailors use the word yacht very differently.

First, the American definitions. From the Merriam-Webster dictionary, here are how sailboats compare to yachts.

Sailboat – A boat usually propelled by sail sailboat Boat – A small vessel for travel on water Yacht – Any of various recreational watercraft, such as a) a sailboat used for racing, or b) a large usually motor-driven craft used for pleasure cruising Merriam-Webster Dictonary

So right away, we can see a few trends that play out in the real world. For one, any term with the word “boat” is inherently generic. It could be a fishing boat, a work boat, or a pleasure boat. Likewise, it could be a sailboat or a motorboat.

On the other hand, a yacht is a special kind of boat. It is always for recreational and not commercial use. Sometimes it’s a sailboat used for racing, and sometimes a motorboat used for cruising.

From my personal experience on the water, I don’t disagree with this definition, but it leaves out a lot of nuances.

Across the Pond, the use of the word yacht is slightly different. In British usage, the words “yacht” and “sailboat” are used more or less interchangeably, with more sailors tending toward the word yacht. Here’s the definition according to the Cambridge English Dictionary.

Yacht – a boat with sails and sometimes an engine, used for either racing or traveling on for pleasure Cambridge English Dictionary

This sounds like the definition of a sailboat by US usage to my ear. But this is precisely how many Brits I have met in my travels refer to their boats—er, yachts.

Besides the dictionary definitions, we could look at how the term is used in the publishing world. For example, one of the most popular UK-based magazines is Yachting World . The magazine covers cruising boats, global sailing destinations, around the world races, and general sailing techniques. Its nearest US competitor is called Cruising World.

As a boater in South Florida, I became more aware of the differences between a boat and a yacht. You cannot navigate the waters between Fort Lauderdale, Palm Beach, and Miami for long without noticing a few other things that will qualify you as a yacht.

1. Yachts are nearly always operated by a professional crew who act as hosts for the owners and guests. There’s always a captain and chef, and usually stewards and deck hands too.

2. Yachts are flashy—they look expensive, and they are expensive. They shine, they’re always washed, and their wood and stainless glisten with perfection. After all, they have a full-time crew to tend to all of that.

3. While motor yachts are more common, there are plenty of beautiful sailing yachts on the water as well.

4. Yachts tend to be big. They need to be big enough for guests and crew to be comfortable. Plus, many are owned by business owners who use them to entertain.

5. Yachts spend much of their time with no guests/owners on board. Instead, the crew moves the yacht from one place to another, and the owner flies in to enjoy a few days a month onboard.

6. Many yachts are available for charter. While one person might own it and use it, they don’t spend all their time onboard. So when it’s still idle, it and its crew are leased out for days/weeks/months at a time.

Even within the subset of the motor yachts, there is significant variation and room for definition. To illustrate, some boats are designed to be sleek and modern, with the stately look of a yacht.

The term yachtie is commonly heard in port cities around the world as a person who gets off a yacht. Initially, this term was used only for wealthy owners or their guests. However, if you’re in a place where “yacht” means smaller boats, then any sailboat owner could be called a “yachtie.”

Nowadays, though, the term yachtie also could refer to the crew. Bravo TV’s Below Decks reality series focuses on the adventures and misadventures of the crews on these sorts of yachts.

More often than not, yachts are motorboats. But they aren’t just any motorboat. They are often sleek and fast ones that look like they just blasted out of the newest James Bond film.

There are also plenty of other styles of yacht on the ocean. Yachts take many shapes and forms since the best naval architects design them to suit whatever their clients want to do.

For example, some yacht owners use their boats to explore the Seven Seas. To do this, they might commission a custom expedition yacht or convert an old research vessel, fishing boat, or tugboat. These vessels are great for getting off the beaten track and taking any long trip.

This photo was taken when I was at the Amalfi coast this summer. I shot this massive private yacht. Hope you like it!

And similarly, some yacht owners want to sail. Some enjoy sailing for sailing’s sake, and others want their floating mansions to produce a smaller environmental impact by cutting down on their use of fossil fuels.

There are classic sailboat superyachts, like the three-masted schooner EOS . The EOS is the second-largest pure sailing yacht in the world at 305 feet (95 meters) long. She was launched in 2007 and is owned by movie billionaire Barry Diller and his wife, fashion designer Diane von Fürstenberg.

But you can’t compare the motor yacht vs sailing yacht without mentioning some of the other ultra-modern takes on the classic sailboat. The Maltese Falcon is a well-known sailing superyacht with three masts. But unlike the conventional schooner rig found on the EOS, the 288-foot (88-meter) Maltese Falcon has DynaRig technology . It looks like a square-rigger from the 1800s, but the masts can rotate, allowing it to sail upwind.

And for those who are still pondering sailing vs motor yacht design, you can’t miss Sailing Yacht A . Sailing Yacht A is sometimes noted as the largest sailing yacht in the world, but due to its unusual design, it is actually a “sail-assisted yacht.” In other words, this boat has sails, but it needs to run the motor to make way—the sails only help the motors.

How Big Is a Yacht?

With varying meanings worldwide, no single definition for the word yacht exists. Many brokers and charter companies loosely define a yacht as being at least 80 feet (24 meters) long.

In an industry where the lowest entry-level model needs to be big, luxurious, and fancy—how do different naval architects and boat makers differentiate themselves? In other words, how can a yacht be more than just a yacht?

The answer, of course, is to be a SUPER or a MEGA yacht. There’s no agreed-upon definition of what precisely these terms entail, but make no mistake–it takes a big yacht.

Worth Avenue Yachts, a global yacht broker and charter specialist company, postulates that a superyacht is at least 78 feet long (24 meters).

Furthermore, mega yachts are even grander. They start around the 200-foot (60-meter) line and keep getting bigger from there. The largest megayacht in the world is the 592-foot (180-meter) AZZAM . AZZAM was launched by Lürssen Yachts in 2013 was built for the President of the United Arab Emirates.

Yacht Aesthetics

So we’ve touched on the fact that yachts are usually pretty big, and in some cases really, really big. But there’s another thing that sets them apart from the typical sailboat, too. Yachts look different.

Generally, there are two aesthetics or looks that yachts take on, forming something of a motor yacht debate. Of course, this isn’t an inclusive list. Many designers work to make a statement with their yachts. The look of the finished vessel is a statement and an advertisement for the builder.

There are many yachts built that are designed right from the drawing board to turn heads. The most common way they do this is by making them modern and sleek, even futuristic at times.

Designers and builders put the latest technologies into yachts to appeal to early adopters of new technologies. What CEO or celebrity doesn’t want to own the world’s fastest yacht ?

And then there are futuristic-looking ones with forward-thinking designs. Boat International collected some of the craziest-looking yachts that are worth a look.

The yachts above get their title as yachts thanks to their value and size. But there’s another classification that you should consider—those yachts that get their name for their air of traditionalism.

Perhaps they are well-cared for or restored wooden hulled yachts from the 1920s or 30s. Many of these classics are sailing yachts , but that isn’t always the case.

In some cases, they are modern fiberglass or metal-hulled boats built recently and designed by contemporary designers. But their owners wanted that classic yacht aesthetic, so they created something that appears older than it is. Here’s a look at some of the nicest classic yachts out there.

What about Yacht Racing?

The older, more traditional British use of the word yacht seeps into everyday American English in a few places.

They’re more common on the international stage, so beyond the everyday use of yacht terms in the US, these particular uses harness a more global view of the word.

One such example is in the term yacht racing. Yacht racing sounds fancy, and it usually is, but it is entirely about sailboats. Yacht racing is usually done at a yacht club, another term that focuses on an older use of the word.

In the heydays of the yacht club, the line between the sort of crewed megayachts you see today and the person sailboat was blurrier. Fewer people had boats, and those boats that the wealthy could afford were divided between large crewed vessels and those small private boats kept at clubs. And, of course, one of the favorite activities at the yacht clubs was yacht racing.

Yacht clubs are still a thing, but they are less a part of everyday boating in the US than they used to be. Yacht clubs range from a local, passionate small boat sailing community to exclusive, elite social clubs with little to do with yachts.

Yacht racing is an international sport, although even the Olympics refer to it now as “sailing.” The oldest trophy in sports is the America’s Cup , and the competition for it is the pinnacle event in yacht racing.

So how do you tell a yacht from other boats? It depends on several factors, but unlike a lot of things in boating, there really isn’t a right or wrong answer. If you want to call your new 20-foot pontoon a yacht or even a ship, go right ahead. However you want to enjoy life, the weather, sun, wind, or adventure, only one thing is for sure. Owning a boat makes it better!

To learn more about other boats and their comparisons, check out: Catamaran vs Pontoon

At what point does a sailboat become a yacht?

There is no definitive line where a sailing boat can be called a yacht. To some extent, you can use the word sailboat to describe any private, recreational sailing vessel. This is how the word is used in many parts of the world.

In the United States, the word yacht is usually reserved for crewed luxury vessels. To count as a yacht by this definition, the boat would need to be very high-end, sleek, and expensive. In short, it’s probably not a yacht if it’s under about 80 feet or so.

Are yachts or sailboats more expensive?

Yachts are more expensive, but it’s all in the definition of the word. In the US, the understood definition of a yacht is a luxurious sailboat or motor yacht. More often than not, yachts are big enough to require a professional crew.

On the other hand, a sailboat is any vessel that uses sails for power. So a yacht could be a sailboat, but not all sailboats are yachts. By the US definition, most sailboats are small and far from the lavish luxury you’d find on a yacht. But in some parts of the world, “yacht” is used interchangeably for a sailboat of any value.

Is a 40 foot sailboat a yacht?

The answer depends on where you are from. In parts of the world heavily influenced by British English tradition, the word yacht is often interchangeable with sailboat. If this sounds right, then a 40-foot sailboat could definitely be a yacht.

But in the US, the word yacht is usually reserved for large, lavish, and expensive vessels with professional crews—the types owned by celebrities and the super-wealthy. If this sounds more like your neighborhood, chances are a 40-foot sailboat is just a sailboat. On the other hand, if it doubles or triples in size and gets a crew, it might be bordering on yacht territory.

Is a sailing yacht cheaper than a yacht?

In general, the purchase price of yachts are roughly equal. While sailboats have more rigging and equipment, motor yachts have larger engines, so the prices are closer than you might imagine. There are too many variables to generalize when it comes to operating costs. In general, though, a fast-moving powerboat will always cost more than a slow-moving sailboat due simply to fuel costs.

If you’re thinking about chartering and want to compare the prices of sail versus power, companies like The Moorings Charters allow you to browse various destinations and boats. For example, a one-week charter on a 42-foot sail catamaran in the BVI starts at around $9,400. For comparison, that same charter on their smallest power catamaran, a 43 footer, starts at $11,070.

Matt has been boating around Florida for over 25 years in everything from small powerboats to large cruising catamarans. He currently lives aboard a 38-foot Cabo Rico sailboat with his wife Lucy and adventure dog Chelsea. Together, they cruise between winters in The Bahamas and summers in the Chesapeake Bay.

Do sailboats have motors? Does it require one?

Sailboats are one of the famous boats, and it symbolizes journey and adventure. They also are associated with being carried along by the “breath of life,” as its primary form of momentum is gained through the wind in its sails. Now, let’s see what else power the sailboat and whether they have motors or not.

Sailboats have motors, but not all sailboats have them. Nowadays, most sailboats are using electric motors rather than traditional diesel or gas ones. Motors on sailboats are mostly used during an emergency or at the marina, and generally, no one uses them often or for regular sailing.

All sailboats will not have motors; only some will have motors, and generally, if a sailboat exceeds some length (maybe 6 or 7 meters), it will have a motor in it. People will often not use these motors; they will use the sails to move in the sea or ocean.

Mostly motors will be turned off while sailing because if the boat is moving in the water with the help of sails, then turning on the motor and increasing the propulsion will not increase the speed much; instead, it will cause some slightly concerning sounds and fuel wastage.

A sailboat with motors is known as Motorsailer, which is typically a pleasure yacht, that derives propulsion from its sails and engine(s) in equal measure. Wikipedia

Why does a sailboat need a motor if it has a sail?

After knowing that some sailboats will have motors, now, you might be wondering what is the use of the motor in a sailboat without using it while sailing in the water.

The main use of a motor in a sailboat is for docking the boat at the marina or to move in the water if there is no wind. Some marinas banned the use of sails in the marina because solely docking the boat with the wind at a marina can cause any damages if the wind suddenly changes or decreases.

From the above picture, you can see how the boats are closely packed at the marina, and if a boat is solely docked in the marina with the help of wind and if the wind increases, then the boat can hit other boats on its way and can cause any problems for others.

And if the wind decreases while docking, then the boat can’t move in the water, and it can cause any problems for the other boaters who are moving in or out of the marina.

Due to these issues, many marinas banned the use of sails in the marina in recent years, so sailboats are pretty much forced to have an engine. It is happening because we are not controlling the boat, with the help of wind we are controlling the boat. So, entirely depending on the wind can cause any damages.

So, if the boat has a motor, then you can dock the boat quickly and easily without causing anything bad. That is one of the reasons why sailboats need motors. And the other reason is that if there is no wind, you can’t move in the water.

All the time, we cannot presume that there will be some wind to carry the boat. Sometimes if you are in a hurry and if there is no wind to sail or move the boat, then it is hard to move the boat. So, sometimes having a motor in the boat will help a lot.

Are motors on a sailboat the same as normal boat motors?

Now that you understand the motor’s uses in a sailboat, you might wonder if we can use the same motor (outboard or inboard) that is used on a normal boat for a sailboat.

Motors on a sailboat are the same as normal boat motors (outboard or inboard), but only diesel or gas motors are the same. And electric motors are much bigger in size than compared to the normal boat electric motors because big boats require more power, so they are big.

Typical sailboats have a small, either outboard motor attached to the transom, or an inboard, that has a sterndrive. Up until 1870, there were no motors on a sailboat. And not many had them until the 1930s ( source ). Today most sailboats over about five or seven meters in length have a motor.

Most smaller sailboats will have long shaft outboard engines, and some of them will be mounted on the stern. Larger boats from 26–27 foot onwards will have an inboard motor with a reversing gearbox and either a straight shaft in older boats or a Sterndrive in most modern ones.

Nowadays, electric outboard motors are becoming more popular than diesel or gas ones in sailboats, and these are a little larger than a trolling motor. Since most sailboats have solars on it, so having an electric outboard will benefit it a lot.

It is beneficial to have two batteries, along with a solar/wind charger. With this set up the range could be as high or higher than a gas or diesel motors if used sparingly and gently. A single battery will have an approximate range of 30 NM (55 km) with a 15 hour charge time ( source ).

Italian explorer Christopher Columbus set a world record in the late 1400s by only sailing with the wind. History

How fast can a sailboat sail (travel) without a motor solely on a sail?

Sailboats are known to its maneuverability to sail normally along with the winds, and mostly, it won’t go fast. Let’s see how fast a sailboat will travel solely on the wind.

On average, most sailboats travel at around 5 or 6 knots (roughly 6 miles), and on average, most sailboats can achieve a full speed of 8 knots (around 9 miles). However, they can’t exceed the hull speed so that the speed will vary for each sailboat.

However, many factors will affect boat speed, such as wind conditions, current, and many other factors. And with the increase in the sailboat length, the hull speed (top speed) of the boat will increase.

The maximum speed (Hull speed in knots) comes from the formula 1.34 times square root of the waterline (in feet) . Waterline is the boat’s overall length (from bow to stern) that is submerged in water.

If the waterline length is 25 feet, then the boat’s maximum speed (hull speed) will be the square root of 25 times 1.34, which is equal to 6.7 knots. Meaning the maximum speed of the boat, which it can travel is 6.7 knots per hour. Still, you can try increasing the speed by removing the extra weight in the boat, and design also changes the speed.

With that being said, the boat speed also depends on its overall length, so the top speed (hull speed) will vary for each boat if the boat length varies. And the other factors such as wind conditions and current will be the same for many boats.

These are some of the factors that affect boat speed, and there are some more factors as well. Check my article on Essential factors that affect the boat speed (opens in a new tab) to know how the hull design and different types of water will affect the boat speed.

Bottom line

Sailboats have motors, and although not all the sailboats will have motors. Among all the types of motors nowadays, often sailboats use electric outboard motors rather than diesel or gas motors.

The motors are used to dock the boat at the marina or to move the boat if there is no wind. One of the main reasons is why they have motors is nowadays many marinas have banned the use of sails in the marina in recent years because it can cause any damages (disturbances) if there is no wind or less wind.

My name is Mahidhar, and I am passionate about boating. Every day I learn some new things about boats and share them here on the site.

What is Sailing?

Sailing is the art and skill of controlling a boat or a ship by managing its sails. It's a beautiful blend of engineering and elemental nature, where you work with the wind to propel your vessel forward. Kind of like a dance with the elements, wouldn't you say?

Types of Sailing Vessels

There are various types of vessels to consider when sailing. Each comes with its own unique features and benefits.

These are the divas of the sailing world. Luxurious, often equipped with a full crew, and definitely pricey. Yachts are for those who want to sail in style and comfort.

The everyman's choice for sailing. They're more compact and less complex than yachts, making them ideal for beginners. And let's be honest, there's a certain romantic charm in sailing a small boat.

These are the giants of the sea. Ships are mostly commercial vessels that require a significant amount of skill and crew to operate.

Essential Sailing Terms

Ever heard of "luffing," "tacking," or "gybing?" Sailing comes with its own language, so it's essential to familiarize yourself with the terms.

How Sails Work

Understanding how sails work is like understanding the heartbeat of your boat.

This is the primary sail that catches most of the wind. It's like the engine of a car, but powered by nature.

These are secondary sails that catch the wind that the main sail doesn't. Think of it as the supporting actor that steals the show sometimes.

Points of Sail

Knowing your points of sail is like knowing your dance moves in this elemental waltz with the wind.

Close-hauled

This is when your boat sails as close to the wind as possible. It's a bit like driving uphill in a car.

This is when the wind comes from the side of your boat. It's the most comfortable point of sail and similar to cruising on a flat road.

Broad Reach

This is when you're sailing away from the wind. Imagine going downhill with your car; it's easy and fast.

Read our top notch articles on topics such as sailing , sailing tips and destinations in our Magazine .

A beautiful and happy senior couple in love sitting on the side of a sailboat or yacht deck floating in the sea at sunset and enjoying the amazing view, sailing together

How to Sail

So, you're itching to get out there on the water? Let's cover the basics of how to sail.

Sailing for Beginners

You don't have to be an old sea dog to start sailing. Start small, maybe with a dinghy or a small sailboat. The simpler your vessel, the faster you'll learn the ropes. Think of it as riding a bicycle before you try a motorbike.

Sailing Basics

Understanding the wind direction, knowing how to hoist and lower the sails, and basic steering—these are your ABCs. It's like learning to walk; you've got to start with baby steps.

How to Sail a Boat

To sail a boat, you need to know how to work with your main sail and your jib, how to tack (change direction), and how to use your rudder for steering. It's like driving a car but with many more variables at play.

How to Sail a Yacht

Yacht sailing is a bit more complex, often involving advanced navigation systems, multiple sails, and sometimes even a crew. Think of it as going from riding a bicycle to piloting a jet—you'll need more training, but boy, is it worth it!

Sailing Gear and Equipment

Gearing up is an essential part of sailing. The right equipment can make or break your experience on the water.

Sails for Sailboats

Choosing the right sails is crucial. Materials like Dacron are commonly used for durability and performance. It's like picking the right pair of running shoes.

Sailing Gear

Besides sails, you'll need life jackets, ropes, and possibly a wetsuit. Think of this as your survival kit—you wouldn't go camping without a tent, right?

Sides of a Ship

Port, starboard, bow, stern—the sides of a ship have specific names, and knowing them is crucial for communication and safety. It's like knowing your left from your right; basic but vital.

Sailing Pictures: A Visual Journey

Photography and sailing go together like peanut butter and jelly. Capturing those moments of serenity or adrenaline on the open water is a joy in itself. Ever thought of how a picture is worth a thousand words?

101 Cruises: A Different Kind of Sailing

Cruise ships offer a more laid-back, luxurious form of sailing. While not for everyone, it's like the all-inclusive resort of the sea.

The Importance of Sailing Instructions

Don't underestimate the value of good instruction, be it from sailing schools, books, or experienced sailors. It's like having a mentor in any field—priceless.

Small Sailing Adventures

Who says you need a yacht for an adventure? Small boats can provide just as much excitement. It's like taking a road trip on a motorcycle instead of a luxury RV—both have their own kind of thrill.

Sailing Jib: An Important Component

The jib is more than just a secondary sail; it helps with steering and speed. Consider it the spice in a well-cooked meal; it enhances the experience.

Sailing is a beautiful, multifaceted world filled with opportunities for adventure, relaxation, and even a new lifestyle. Whether you're into small boats, luxurious yachts, or the technical aspects like sails and points of sail, there's something for everyone. Ready to set sail?

So what are you waiting for ? Take a look at our range of charter boats and head to some of our favourite sailing destinations .

FAQs: Embarking on Your Sailing Journey

A small dinghy or a basic sailboat is generally the best for beginners.

The choice often depends on the type of sailing you'll be doing and your level of expertise.

It's strongly recommended to get some basic training or instructions before setting sail.

At the very least, you'll need sails, ropes, and life jackets.

The point of sail refers to the boat's direction relative to the wind.

BoatNews.com

Why do sailboats have engines? Is it antinomic?

Motor controls next to the bar. Is this mandatory?

When you discover a sailboat, you may wonder what the point of installing an engine on board is. Isn't this boat supposed to use its sails? Why not do without this mechanism? A question not as silly as it seems.

On a sailboat , the engine is considered an auxiliary propulsion , a secondary system. To move forward, the sailboat uses primarily the power of the wind, for which it adapts its sails. Logically - even if this is less and less the case for cruising sailboats - a sailboat must move forward faster under sail than under motor. It is therefore in its interest to use this mode of propulsion .

An engine for port maneuvers

The engine should only be used for maneuvering, mainly to enter or leave the harbor, to take or leave an anchorage . Especially since, with the increasing number of boats, ports now prohibit sailing maneuvers within their boundaries. Just for the harbor maneuver , there is no need for a big powerful engine capable of propelling the sailboat at more than 10 knots..

Only a strong power reassures the users, especially the less experienced ones. They say to themselves "With a big engine, even if the wind blows hard, I can always return to port". This is not the point here, but it does influence the buyers of sailboats to equip them with a strong engine. The fact remains that powerful or not, the engine is present on a sailboat .

An engine that can also help servitudes

Un alternateur indispensable pour le confort et la sÃ©curitÃ©

In addition to propulsion , a sailboat also uses electricity to operate the accessories on board. Whether it is navigation equipment (electronics, cartography, autopilot ...) or comfort accessories (lighting, refrigerator ...). For this, electrical energy is stored in batteries. These are charged in port by plugging a charger on the 220 volts of the pontoon, but at sea? Here, the alternators of the engines are often requested. The famous auxiliary engine becomes very important once offshore.

An indispensable engine

Un moteur dans la coque tribord d'un catamaran

Whether it is an outboard motor installed on the transom of a small sailboat , or an inboard motor in the hold of a larger cruising model, whether there is only one or even two as on a catamaran (one in each hull), it is difficult today to do without propulsion . Cruising sailboats have been sailing with a motor since the beginning of the sport (or almost).

And if changes are to come, it is not on the suppression of these engines that we should expect them, but rather on the type of energy used for this propulsion . If fuels (gasoline or diesel) are the most common today, no doubt that tomorrow the engine will be powered by electricity with an upstream production source. The future is likely to be exciting!

Yachting World
Digital Edition

How hybrid sailing yachts finally became a feasible option

May 17, 2019

They’ve been a long time coming, but marine hybrid propulsion systems are finally a working reality, as Sam Fortescue reports

hybrid-sailing-systems-oceanvolt-yamila-credit-peter-minder

The Bootswerft Heinrich-built 13m Yamila uses an Oceanvolt electric motor rather than a diesel engine. Photo: Peter Minder

Every sailor is familiar with the wet cough of the diesel engine, and the acrid smell of its exhaust. For some it’s the sign that an adventure is starting, for others it is the reassurance that all is well on board the boat. The traditional engine is perhaps your boat’s most important safety feature, but its days may be numbered.

The electric sailing revolution is coming – and though adoption in the marine sector is proving much slower than in the automotive world ashore, progress is being made.

The market is still relatively small. Clear market leader Torqeedo had sales of €25m last year, most of which was in ferries and compact outboards. It also offers a range of saildrive and pod drive motors for yachts displacing from 2 to 50 tonnes, or roughly 20-60ft LOA.

But sailors have been slow on the uptake, and for one good reason: if you’re planning to cross an ocean or take on tough conditions offshore, you rely on your engine to help you outrun danger or motor through the doldrums – sometimes for days at a time.

Oceanvolt AXC series is a modular shaft drive system (10kW to 40kW) that will fit in place of a tradition diesel engine

Even with the current crop of advanced lithium-ion boat batteries , the range of an electric system is measured in tens of miles, not hundreds. So a 35ft monohull with 10kWh of lithium battery (four units weighing 96kg in total) would have a range of just 24 nautical miles at 3.8 knots, or less than 16 nautical miles at full throttle.

Taking into account the incredible wastage of combustion engines, which dissipate more energy as heat and noise than they provide in propulsion, diesel is still ten times more energy dense than batteries.

hybrid-sailing-systems-oceanvolt-yamila-credit-tobias-stoerkle

Full-carbon luxury daysailer Yamila uses an Oceanvolt SD8 8kW electric saildrive system. Photo: Tobias Stoerkle

“When you look at bluewater cruisers, of course you will have a diesel,” says Torqeedo’s founder and CEO, Dr Christoph Ballin. “And it’s right that not many coastal sailors opt for pure electric.”

But that doesn’t mean that electric has no interest for cruising sailors – far from it. The more common route for ‘normal’ sailors will be to combine diesel and electric in a hybrid sailing system.

Under this model, the engine is replaced by an electric motor, hooked up to a bank of lithium batteries. This can be charged via hydrogeneration – when the speed under sail turns the propeller and puts charge back into the batteries – and solar or wind. But when extended periods under power are required a standalone DC generator, which can be installed anywhere on board, supplies the electricity.

This is the set-up recommended by Finland’s Oceanvolt, which has focused on the cruising sailing market with a range of shaft and sail drive motors from 3.7kW to 15kW (roughly 10hp to 45hp in diesel engine terms).

“In the case of the round-the-world cruiser, we recommend a hybrid system with a backup genset to support continuous drive when/if needed,” says Oceanvolt CEO Markus Mustelin. “A regenerating prop, which spins while sailing and recharges the batteries (sacrificing 0.2-0.4 of a knot, depending on the boat and conditions) makes it possible to be almost independent of the genset and use it only for backup.”

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This system has the advantage that the generator is only needed on longer passages, so the boat still manoeuvres silently in and out of ports and anchorages.

And a well-designed, correctly sized generator is much more efficient at turning diesel into electricity than an engine not originally designed for the job. Some sailors opt for an in-line hybrid system, like those offered by Hybrid-Marine, which bolts onto the existing diesel.

These are easier to retrofit, with many of the same characteristics as the full hybrid system, but there’s the disadvantage of still having an engine boxed away somewhere near the middle of the boat.

hybrid-sailing-systems-oceanvolt-servoprop

Electro magnetism

Until now, most business has been done through retrofitting existing yachts. But an increasing number of yacht builders are looking to include electric propulsion as original equipment. The world’s third largest boatbuilder, Hanse Yachts , is perhaps the most advanced – offering its entry-level Hanse 315 with an electric rudder-drive option.

The system takes up less space than the standard diesel, is much quieter and vibration- and emissions-free. But Hanse admits take up has been disappointing.

The technology has found more interest among lake sailors. Innovative young German brand Bente has been fitting Torqeedo motors to its successful 24ft model, originally designed for Germany’s ‘Green Lakes’.

Closer to home, dinghy specialist RS Sailing has decided to fit a retractable electric drive to its new RS21 keelboat. Already christened the ‘invisible gennaker’, the system is based on Torqeedo’s Travel 1003 outboard motor.

Bigger race boats have also been attracted by the lure of low-weight propulsion. Just look at Malizia , an IMOCA 60 being prepared for the 2020 Vendée Globe with a lightweight Torqeedo system.

“Emissions-free round the world under race conditions, while simultaneously producing your own energy, is a thoroughly inspirational concept,” said Malizia skipper Boris Herrmann.

Electric has also been successful at the luxury end of the market, where lithium-ion batteries account for a smaller share of the boat’s overall cost. A 50ft Privilege 5 catamaran and a carbon fibre Gunboat 60 have both been retrofitted with Torqeedo kit, while Oceanvolt appears on a Swan 57 and an all-carbon Agile 42.

hybrid-sailing-systems-moonwave-gunboat-torqeedo

Overview of the Torqeedo Deep Blue propulsion system installed in the Gunboat Moonwave

The Gunboat Moonwave has two 25kW Deep Blue saildrives both capable of regenerating under sail. There is still a generator on board to extend battery range offshore, but “they no longer use the generator – it’s just for emergency,” says Torqeedo’s Ballin.

Spirit Yachts is also designing electric propulsion into its Spirit 111 flagship, due for launch this summer. With four big 40kW lithium batteries aboard and a 100kW motor, the yacht will be able to operate silently for hours, although it also has 100kW of diesel generator capacity.

“The real focus is not the propulsion,” explains Spirit director Nigel Stuart, “but that everything works in harmony, from galley equipment and hot water to heating, air conditioning, hydraulics etc.” The British yard is also building a 65-footer using Oceanvolt hybrid technology and a new 44-footer that is pure electric.

With racing on one hand and high-end cruisers on the other, there is something of a gap in the middle. By Torqeedo’s own admission, the cruising sailor hasn’t been a big focus of the electric revolution, but all that is about to change. “We started a bit late with sailing,” Ballin admits, “but in the next five to eight years it will be addressed big time.”

Fully integrated electric drive system will power the new 111ft Spirit Yachts flagship

What does that really mean? Well, in the first instance, it means system integration. If that doesn’t sound revolutionary, then imagine a set-up on board where solar panels, hydrogenerators, batteries, generators and motors all worked seamlessly together to keep the yacht supplied with ample power around the clock. “That’s what people are willing to pay for: plenty of energy with heating or air-con through the night,” says Ballin.

The future of hybrid sailing

In the near future, Torqeedo is planning a new range-extending DC generator specifically for hybrid sailing boats. Its existing unit is built by WhisperPower and provides 25kW, which is too much power for boats using the pod drive system.

The genset will be designed to operate at optimum revolutions, while clever DC to DC conversion decouples the battery voltage from the charging voltage, for much greater efficiency.

With boats, just as with cars, the breakthrough that will make all the difference is around battery capacity. Until range under electric power can match that of diesel, there will be many sceptics. And that isn’t likely to happen for a decade or more, according to Ballin.

“Theoretically, they’ve tested batteries in labs that are ten times more efficient than lithium,” he explains. “And if that comes through, then gasoline is done. But we are trying to combine long-term vision with short-term mindset.”

In the meantime, the prevalent technology is based on lithium-manganese-cobalt, and a process of steady development is making this 5-8% better each year. For example, BMW has just announced its next generation i3 battery, used by Torqeedo’s Deep Blue system, will be able to hold 40kWh of power – an increase of 33% for the same size, weight and nearly the same cost.

Torqeedo Cruise 2.0 FP Pod Drive is suitable for small yachts up to 4 tonnes – a folding prop can also be fitted

The other area of development is around the propeller. Most cruising systems use a folding or feathering prop designed for diesel engines. But Torqeedo’s own research shows that the consistently high torque of an electric motor is best utilised by props with variable pitch.

And yet it is Oceanvolt that has addressed this issue specifically for electric motors with its Servo Prop system, which it claims to be 30% more efficient ahead, 100% better astern and 300% more efficient in regeneration mode.

Oceanvolt says that this prop can pump around 500W into the batteries at just 5 knots – the average pace of a 30ft monohull. At 6 knots that rises to around 800W, and at a very manageable 7 knots for a larger ocean cruiser you get 1.2kW.

“A new technology can rarely compete in price with an established one in its initial growth phase,” says Mustelin. “However, we have passed this and today electric systems are offered at a quite competitive price. When you add to that the fact the electric system is almost service free, the total cost of ownership is turning in favour of electric.”

So, you may not hear them approach, but expect to see more and more electric-powered boats on the water as the revolution continues.

A question of torque

A key part of the viability of electric propulsion rests on the notion that a smaller motor can achieve the same work as a bigger diesel. There are two elements to this. First, a diesel engine is not an efficient converter of chemical energy into thrust, creating a lot of heat and noise in the process. Second, the torque characteristics of electric are much better than diesel.

Mustelin says that Oceanvolt’s 10kW motor “easily outperforms” a 30hp diesel. “Typically, maximum boat speed will be somewhat lower (0.5kt-1.0kt) than with a comparable diesel engine, but at the same time the boat will maintain the speed better in heavy seas and headwind due to higher torque. Manoeuvrability is much better in confined marina spaces.”

That’s because combustion engines only reach peak power (and maximum torque) over a small range of speeds. Torque is a measure of turning power – at the propeller in the case of a boat.

A diesel engine develops optimum torque between 1,800-2,000rpm, while electric motors deliver it from 0 to around 2,000rpm. This allows electric motors to use higher efficiency propellers that are slimmer and more steeply pitched.

hybrid-sailing-systems-integrel-generator

Engine-driven: The ‘alternator on steroids’

It has taken years of development and over $10m of funding, but renowned boat systems expert Nigel Calder has helped design an alternator so powerful that it eliminates the need for a generator on board.

Mounted on the engine, on the second alternator position, the Integrel can produce five to ten times more power. Sitting behind the system is at least 10kWh of lead acid batteries (lithium is also an option), and Victron chargers and inverters.

“If you crank the engine it’ll charge the batteries; if you’re running with the engine in neutral, it’ll know it’s in standalone generator mode and switch to that algorithm,” explains Calder. “It will likely be cheaper than a generator installation, and eliminates the issue of the through-hulls, the cooling circuits, the long running hours, the maintenance.”

The system allows you to run all sorts of creature comforts on board that would normally require a generator: from hot water on-demand to coffee makers and freezers. “We honestly believe that this system is going to supplant generators on almost all boats that currently have, or would like to have, a generator,” adds Calder.

With the engine in gear and at low revs, tests show how the Integrel can produce some 2kW of power without increasing fuel consumption or reducing speed – simply utilising the engine’s wasted capacity. This means it will work with the yacht’s existing engine – no need to overspec – and it has already been successfully installed on a new Southerly 480, a Malo 46 and a similar-sized Hallberg-Rassy.

hybrid-sailing-systems-dufour-382-alcyone

Case study: Dufour 382 Alcyone

Built by Dufour in 2016, Alcyone was immediately retrofitted professionally with Oceanvolt’s SD15 saildrive motor, supplied by a 14kWh lithium battery bank. Owners Michael Melling and Diana Kolpak also specced an 8kWh DC generator for range extension. The fit out cost €30,600 for the motor and battery system, plus an additional €13,744 for the generator, and installation costs were around €8,000.

They charter the boat out near Vancouver, for exploring Desolation Sound and the surrounding area where silent, clean propulsion is a selling point. “Nothing spoils the joy of sailing – or a secluded anchorage – more than the noise and smell of diesel engines,” they explained. “Installing an Oceanvolt system in our new boat has freed us from that. It’s the way of the future.”

Charter manager Merion Martin said the conversion has also been popular with charter customers, adding: “The main advantage of the system is that it consistently uses around 40% less fuel than a standard diesel engine over the course of a week’s charter. But understanding the power management system takes a bit of getting used to, and the many components involved in the system can make troubleshooting a challenge.”

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Why Do Sailboats Have Engines?

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The first time I went sailing, I was somewhat naive, thinking that it was cheating to use an engine to leave the dock. A few years later, owning my own sailboat, I totally understand the benefits of having a spare way of powering your boat.

Sailboats have engines (usually diesel) for a couple of reasons. One (1) it is safer and easier to exit and enter a marina. Two (2), if the sails cannot be used due to damage, too much wind, no wind, or going directly into the wind. The engine is also used together with the sails to travel faster.

In this article, I will explain why having an inboard or outboard engine on a sailboat is vital for safety and comfort.

Sailboat engine is added safety

Getting in and out of a marina.

Getting in and out of a marina can be nerve-wracking, and that is while using the engine, something that you can out in reverse, slow down, and use as a way to turn the boat (more on that later).

Consider doing the same while having the sails up; not only are you not completely controlling the speed (the wind is), but there is no way to put the boat in reverse, making docking incredible hard.

Some people manage to dock with no use of the engine; this is usually done on smaller boats and in marinas with open spaces and a constant and not to hard wind.

The dangers are many, mainly financial risk since you will want to go as slow as you can to hurt anyone. The risk includes;

The wind will push you downwind
Not enough water passing the rudders, making it impossible to steer
Increased damage if crashing into something
less time to assess the situation and make correct decisions

Sidestepping in the marina

The propeller can also be used to turn the boat sideways without moving the boat forward or backward; this is accomplished through the inertia that the spinning propeller has. It is done by quickly revving up the engine for a few seconds, and before it starts moving forward, you let off the throttle, and the boat starts moving sideways.

Springin off the dock

This maneuver allows a boat to leave the dock while the wind pushes the boats’ side towards the dock. It uses a line as leverage and then runs the engine to counteract the wind and pushes the boat sideways towards the wind even though there is no bow thruster to push it sideways.

Added stability in rough seas

Suppose getting stuck in bad weather with strong winds and high seas; you might be sailing too fast with only a little sail up. And if you remove all the sails, you will lose control over the boat.

The solution is to reef all sails to a minimum and use the engine for extra speed and stability. Since using the engine allows you to go in any direction without considering the wind angle, you can now compensate for breaking waves and gusts of winds more safely.

Engine for comfort

As discussed above, having an engine is very practical and adds safety, but other factors make the engine a very useful piece of equipment on a sailboat.

Set a predictable speed

The engine can be set to a specific rpm independent of the wind; this means that it is easier to calculate when you will arrive somewhere. Often sailing takes much longer than anticipated due to changes in the wind that make the boat slower and the trip longer since there might be a need for the sailor to tack or jib to reach the destination.

What is the dif f erence between tacking and gybing?

The engine can be used as an aid when raising the sails; many times, it is easier to hoist the sails when the wind is coming straight onto the bows. To make this work, the captain will steer the boat upwind until the sails are fully hoisted, then turn downwind and turn off the engines.

Use in combination with your sails

Combining sailing with your engines will do a couple of things; it reduces the fuel costs if traveling at the same speed, or:

Fuel saving tips!

If there isn’t much wind, it will increase your speed, and since a sailboat can move much like a pendulum if you only run your engines, putting up some sail area will make the trip more comfortable.

Man overboard situations

In situations where a crewmember has fallen overboard, the weather is expected to be rough with high seas and large waves. The situation is time sensitive, difficult, and requires the boat to turn around to assist the casualty.

Doing this with your sails up is not only extremely difficult but also very time-consuming. The standard practice is to let all sail area down, turn on the engine, and do a 180-degree turn whilst towing a line behind the boat that the person can grab on to.

Getting the person back on board is a difficult task requiring great handling of the boat while the sea is doing everything it can to make your day rememberable.

Engines can be used to check that the anchor is set correctly

Once the anchor is dropped and in position, the captain may use the engine to pull on the anchor chain and see if the boat starts moving away and he needs to reset the anchor or if the boat stays put and the anchor is holding firmly.

Towing another boat

If another boat loses its ability to steer or move, a second boat can assist in towing. What is usually done is that the towing boat will connect lines from the aft to the broken boat’s bows, and just like towing a car, it will be dragged to its destination.

In the final stages of the towing, the towed can be attached to the towing boat’s side; this increases maneuverability and reduces the risk of damage.

Types of engines

Inboard engines.

Inboard engines are locatied inside the hulls, the only part that is in the outside is the propeller shaft or saildrive.

A saildrive is much like a gearbox and allows for a smooter and quieter operationg than the shaft and propeller setup.

Shaft and propeller is the most common setup and is basically just a tube sticking out through the hull where the propeller attaches.

Inboard engines are more protected from the weather; they take cooling water from the sea and usually creates a very noisy and smelly sensation inside the boat.

Inboard engines have fixed propeller positions and can only be controlled by raising or lowering the RPM.

Outboard engines

Outboard engines are standalone machines that can be removed from the boat. It is most common on smaller boats such as dinghies but can be the main propulsion on smaller sailboats; on a catamaran, there can either be one in the middle, one on each stern.

Outboard engines make the interior less noisy and keep the fumes outside, but are usually weaker and are more impacted by the weather. They are cheaper and easier to replace.

Usually, outboard engines are controlled directly by pointing the entire engine in the direction you want to go.

Electric motor

This type is still quite uncommon and expensive; the electric motor can be either outboard or an inboard type. The most common is to use lithium-ion batteries due to their high capacity.

Some DIY has been built off of golf cart motors, but there are also many professionally made ones.

The benefits of using electric motors are eliminating smells, no need for refueling liquids, fewer moving parts that require maintenance—less noise, and easier to repair.

The time it takes to refuel or recharge battery packs is much longer than it takes to refill a diesel tank; this hinders the range since there are not many quick-charge stations.

Owner of CatamaranFreedom.com. A minimalist that has lived in a caravan in Sweden, 35ft Monohull in the Bahamas, and right now in his self-built Van. He just started the next adventure, to circumnavigate the world on a Catamaran!

Sail GP: how do supercharged racing yachts go so fast? An engineer explains

Head of Engineering, Warsash School of Maritime Science and Engineering, Solent University

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Jonathan Ridley does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

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Sailing used to be considered as a rather sedate pastime. But in the past few years, the world of yacht racing has been revolutionised by the arrival of hydrofoil-supported catamarans, known as “foilers”. These vessels, more akin to high-performance aircraft than yachts, combine the laws of aerodynamics and hydrodynamics to create vessels capable of speeds of up to 50 knots, which is far faster than the wind propelling them.

An F50 catamaran preparing for the Sail GP series recently even broke this barrier, reaching an incredible speed of 50.22 knots (57.8mph) purely powered by the wind. This was achieved in a wind of just 19.3 knots (22.2mph). F50s are 15-metre-long, 8.8-metre-wide hydrofoil catamarans propelled by rigid sails and capable of such astounding speeds that Sail GP has been called the “ Formula One of sailing ”. How are these yachts able to go so fast? The answer lies in some simple fluid dynamics.

As a vessel’s hull moves through the water, there are two primary physical mechanisms that create drag and slow the vessel down. To build a faster boat you have to find ways to overcome the drag force.

The first mechanism is friction. As the water flows past the hull, a microscopic layer of water is effectively attached to the hull and is pulled along with the yacht. A second layer of water then attaches to the first layer, and the sliding or shearing between them creates friction.

On the outside of this is a third layer, which slides over the inner layers creating more friction, and so on. Together, these layers are known as the boundary layer – and it’s the shearing of the boundary layer’s molecules against each other that creates frictional drag.

A yacht also makes waves as it pushes the water around and under the hull from the bow (front) to the stern (back) of the boat. The waves form two distinctive patterns around the yacht (one at each end), known as Kelvin Wave patterns.

These waves, which move at the same speed as the yacht, are very energetic. This creates drag on the boat known as the wave-making drag, which is responsible for around 90% of the total drag. As the yacht accelerates to faster speeds (close to the “hull speed”, explained later), these waves get higher and longer.

These two effects combine to produce a phenomenon known as “ hull speed ”, which is the fastest the boat can travel – and in conventional single-hull yachts it is very slow. A single-hull yacht of the same size as the F50 has a hull speed of around 12 mph.

However, it’s possible to reduce both the frictional and wave-making drag and overcome this hull-speed limit by building a yacht with hydrofoils . Hydrofoils are small, underwater wings. These act in the same way as an aircraft wing, creating a lift force which acts against gravity, lifting our yacht upwards so that the hull is clear of the water.

While an aircraft’s wings are very large, the high density of water compared to air means that we only need very small hydrofoils to produce a lot of the important lift force. A hydrofoil just the size of three A3 sheets of paper, when moving at just 10 mph, can produce enough lift to pick up a large person.

This significantly reduces the surface area and the volume of the boat that is underwater, which cuts the frictional drag and the wave-making drag, respectively. The combined effect is a reduction in the overall drag to a fraction of its original amount, so that the yacht is capable of sailing much faster than it could without hydrofoils.

The other innovation that helps boost the speed of racing yachts is the use of rigid sails . The power available from traditional sails to drive the boat forward is relatively small, limited by the fact that the sail’s forces have to act in equilibrium with a range of other forces, and that fabric sails do not make an ideal shape for creating power. Rigid sails, which are very similar in design to an aircraft wing, form a much more efficient shape than traditional sails, effectively giving the yacht a larger engine and more power.

As the yacht accelerates from the driving force of these sails, it experiences what is known as “ apparent wind ”. Imagine a completely calm day, with no wind. As you walk, you experience a breeze in your face at the same speed that you are walking. If there was a wind blowing too, you would feel a mixture of the real (or “true” wind) and the breeze you have generated.

The two together form the apparent wind, which can be faster than the true wind. If there is enough true wind combined with this apparent wind, then significant force and power can be generated from the sail to propel the yacht, so it can easily sail faster than the wind speed itself.

The combined effect of reducing the drag and increasing the driving power results in a yacht that is far faster than those of even a few years ago. But all of this would not be possible without one further advance: materials. In order to be able to “fly”, the yacht must have a low mass, and the hydrofoil itself must be very strong. To achieve the required mass, strength and rigidity using traditional boat-building materials such as wood or aluminium would be very difficult.

This is where modern advanced composite materials such as carbon fibre come in. Production techniques optimising weight, rigidity and strength allow the production of structures that are strong and light enough to produce incredible yachts like the F50.

The engineers who design these high-performance boats (known as naval architects ) are always looking to use new materials and science to get an optimum design. In theory, the F50 should be able to go even faster.

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Do Sailboats Have Motors? Does It Require One?

Without a doubt, one of the most famous types of boats is sailboats. They symbolize journey and adventure and give us all that special feeling of venturing off into a new world.

In movies, they symbolize freedom and mystery, and they are often associated with being carried along by the breath of life, simply because their primary form of power is the wind in their sails.

Do Sailboats Have Motors Does It Require One

However, wind is not the only thing that can power a sailboat, they can have motors too, but do they have motors all the time and do they even actually need one?

Do Sailboats Need Motors?

To answer this question, yes sailboats do have motors, but not all sailboats have them. In the present day for the most part sailboats are using electric motors instead of traditional diesel or gas ones.

Motors on sailboats are usually only used in an emergency or at the marina. Typically, no one will use a motor on a sailboat for regular sailing.

Only some sailboats will have motors, and typically if they exceed around 6 or 7 meters in length they will have a motor in them. Although people do not often use these motors, they will just use the sail to move in the sea or ocean.

Most motors will be turned off while sailing as if the boat is moving in the water with the aid of the sails then turning on the motor and increasing propulsion will not actually do very much, so it is actually rather pointless to do so.

Instead of actually doing anything to a positive effect, it will just cause some unpleasant and concerning sounds and will eat up fuel for no real reason.

Cruising sailboats will typically always have a motor of some form. Coastal cruisers and blue water boats will typically have an inboard engine, while smaller day trip sailboats will typically only have an outboard motor.

Dinghy sailboats will usually only utilize the wind as propulsion, as well as the sailboats who have owners that prefer motorless.

Sailboats have been around for thousands of years, and it has only recently become more commonplace for them to be fitted with engines. Small sailboats will typically not have a motor, but larger sailboats often will.

The Types Of Sailboat Motor You Can Have

This leaves us with questions, mainly, ‘what kind of motor can a sailboat have?’ Well, there are two configurations of motors found on sailboats; inboard and outboard motors.

How effectively the motor moves its vessel through the water is dependent upon the sea state, the wind direction, and the current. A sailboat will require a particular amount of speed to maintain the steering.

It is possible for a motorized sailboat, whether inboard or outboard, pounding into the wind against the current to lose its ability to hold its course, though.

So, what are the options. You could have an outboard motor, this is a motor that is visible to the naked eye from your boat. Outboard motors are attached to the transom by using a special motor mount. This allows the outboard motor to be raised or lowered as you wish.

Outboard motors come in a range of varying horsepower, and by knowing your vessel’s hull speed, or the maximum speed that the hull is made to travel at through the water, then you can choose the appropriate horsepower.

You can get diesel or gasoline outboard motors, which are available in two-stroke or four-stroke configurations.

The downside of outboard motors is that it is unable to keep the propeller fully in the water in some conditions, steep waves can cause outboard propellers to rise up to the water surface and cavitate which would mean a loss of power for the vessel and trouble for you.

Alternatively, you could have an inboard motor, which is a motor that is installed inside the sailboat itself. It is not visible to the naked eye from the boat.

Besides the sound of the motor, the only evidence that it even exists is the water coming out of the exhaust at the stern. These motors are typically water cooled, and the wastewater will exit the boat at the exhaust.

The propeller of these engines will operate on a shaft that runs through the hull of the boat underneath and connects up to the motor.

These are larger motors than outboard motors of the same horsepower, this can create ballast and stability for your boat. By having the propeller deeper in the water, cavitation is no longer an issue.

Yet, the issue with these engines is that as they are installed prior to the decks’ installation, cutting the deck away to replace them is an unfortunate fact of having this set up.

What About Wind Powered Sailboats?

Of course, you can still have a sailboat without a motor, and there are many world cruising sailboats that do not have a motor. The crew of vessels like such have the skills necessary to maneuver their boat within anchorages and marinas, not to mention oodles of confidence too.

Having this experience and knowledge is necessary to navigate a sailboat solely by the power of wind, and it is very admirable. Besides, having a well-designed boat in hull and sail configuration and having engine-less sailors who rely on a number of tools to assist them in their motorless pursuits is all part and parcel of this style of sailing.

A skulling oar is also a necessity for any motorless vessel. By sweeping the oar behind the stern of the boat in an eight shaped motion, forward momentum can be achieved on top of steering. This is often how a sailboat with no motor may enter a slip or maneuver a tight anchorage without wind.

Sailboats With No Wind

Whether you have a motorless sailboat as a world cruiser or just a small training boat, you will be a sitting duck if you are stuck in windless conditions.

Training and racing sailboats will stay in port on windless days. But the same cannot be said for world cruisers, these people could easily find themselves stuck in the middle of the ocean with no wind, twiddling their thumbs, and this can easily become a dangerous situation if it goes on too long.

When you are crossing an ocean, the crew will provision or stock the boat for the estimated duration of your journey. If you get becalmed for too long, food and water can easily become an issue.

Although it has been known that rescue has been required in situations like these, it is not normal. A majority of motorless sailors find that they do not often need to wait more than a few days for wind to return. As even the slightest breeze will move an experienced sailing-vessel through the water.

This means that the key to sailing without a motor is patience, the journey is oftentimes as enjoyable as the destination and motorless sailors certainly know this. However, if you are not one for patients, perhaps get a motor, as sitting waiting for wind for hours or days might not be the best idea for you.

Advantages Of Not Having An Engine

Having an engine takes a lot of the stress and skill out of sailing, so while you do not need the skill to set up and rely on winds, or the patience of waiting during calm periods, there are other downsides to choosing an engine, but there are plenty of pros in deciding to sail engine free!

For one, the cost of the engine can be very high, both the initial outlay and maintenance is very important and comes at a significant cost too. This means several hundred dollars a year just to keep the motor running, services, and winterized.

Learning to sail without an engine being needed means saving a few hundred dollars a year, which instead you could put towards other boat related funds.

Then you cannot forget the cost of fuel either. Okay, sure, sails will need replacing and repairs done to them as well, but fuel is by far more expensive.

It’s like trying to compare having your curtains tailored to your car’s fuel consumption. Fuel will always trump in costs, and this is another reason why going engine free can be a better choice.

As your engine will likely double as a generator to aid in the running of other systems onboard your boat, you will likely be reliant on those systems as well, be it a refrigerator or air conditioning.

Adopting a sail only approach may make you think twice about having the expense of other systems to worry about too, and instead you might find yourself enjoying a more simple life on the water.

There is much to be said for engines when sailing, and they can be really useful. However, engines are not the be all and end all of boating, and some still choose to go engine free, not only is it peaceful and potentially cheaper, but you can also brag about your skills. We certainly would be bragging.

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Choosing a yacht engine

Re-powering or choosing an option for a new yacht. the role of the diesel yacht engine has changed, writes jake kavanagh ..

Previously just auxiliary propulsion, now it is the heart of the boat. It makes hot water and generates the electrical power needed to spin radars, grind winches and haul anchors.

Modern diesels are lightweight and dependable, but usually do very few actual hours, which can lead to ‘standing’ faults. An average yacht will clock only around 30 engine hours a season – something your diesel car will probably do in a fortnight. “A marine engine will hardly ever wear out,” an engineer once told me. “But they will nearly always corrode out.”

These days you will be unlucky to find a ‘bad’ base engine. Instead, you will find different standards of excellence. Those built in the USA and Europe have to conform to a raft of emission and performance regulations such as EPA and SOLAS. That said, be wary of engines from the Far East with an unknown badge, however attractive the price. The Chinese navy, for example, has recently specified Beta Marine engines for some applications as it wants total reliability. Enough said.

The marinised block

The market for new marine engines is tiny compared to automotive, so few companies set out to make an engine below 300hp from scratch. Notable exceptions are Bukh, Yanmar and Steyr, who assemble their own base engines from in-house components. The rest are proven industrial or automotive blocks from the likes of Kubota, Mitsubishi, Volvo, Toyota or Peugot that have been ‘dressed’ with a marinised cooling system so they can operate afloat. How well the marinisation has been done will be a major factor in your engine’s reliability.

You will probably be exploring the new engine market for one of two reasons: either you’re buying a new boat, and are faced with a list of engine options, or you intend to replace/upgrade the one you have. Either way, you won’t just be investing in the engine itself, but in its ongoing role in your enjoyment and safety. This means you should be looking for quick starting, quiet operation, good fuel economy, total reliability, and inexpensive spares and maintenance.

The right power

The amount of power required to get your boat moving is minimal – just ask anyone who has used a tender with a 3hp outboard to successfully side-tow a 10-tonne yacht. When facing swift currents, waves and strong headwinds, though, you’ll be thankful for plenty of reservehorsepower. As a rule of thumb, allow 3hp per tonne of displacement, or 1hp per foot of waterline length. This is an average guide, with lots of caveats, but the manufacturers of bluewater yachts usually over-specify the engines so that they run at lower revs and are less stressed, and therefore more economical. Diesels need to work hard to be efficient, which is why big, twin-engine motorcruisers run on one engine at a time, to load it more.

The horsepower should be rated from the output shaft, but bear in mind that every appliance attached to the engine, such as fridge compressors or alternators, will be bleeding horsepower off. Before calculating the minimum power needed for propulsion, add up the extra drives. A fairly standard 70A alternator, for example, will need 2-3hp alone, whereas a high-output 175A version will need 6-7hp. Air-conditioning compressors could draw much more.

Good marinisation

With corrosion killing off engines quicker than any other type of abuse – even dirty fuel – the standard of marinisation is a big factor. The most critical area here is the heat exchanger. If there is a relatively small temperature gradient between the engine temperature and the outside water, such as when cruising the tropics, then efficiency will be key. You’ll want the marinisation done with good quality, corrosion–resistant components that won’t need replacing.

When the designer of a certain motorboat outdrive was asked why his units were so cheap, he simply rubbed finger and thumb together and said ‘Ah, but the spares!’ When narrowing your engine choice, ask to see the price-list for the spares, and the geographical distribution of the agent network. There’s no point buying a relatively cheap engine if an impeller is going to set you back a small fortune.

A question of space

Hand-in-hand with marinisation is access. Make sure the service items – impeller, dip-stick, filters or belts – can all be reached in your engine compartment. Some engines have a built-in hand-pump for quick and easy oil changes – so no need to put a thin pipe down the dip-stick hole, or feel around for the sump plug.

When specifying a new engine, it is sometimes possible for the supplier to ‘hand’ them. This means that service items can be swapped from one side to the other if access is better to port, say, rather than starboard.

Make sure that ventilation is adequate, as well – particularly for a turbo diesel. “On a standard diesel, only 30 per cent of the fuel burned is actually producing power,” said Andrew Winton, a director of Beta Marine. “The rest goes in heat losses through the exhaust, cooling system, and the block. As a result, a good cooling system and proper ventilation is vitally important.”

Engine bays are well insulated against noise, but this thick insulation can also make access to the engine difficult, especially if it is tucked away beneath the cockpit. When re-powering their boat, many owners take the opportunity to move items around, such as raw water strainers and primary filters, to make getting to them much easier. In an emergency, this could be vital.

Efficient drive train

The efficiency of your engine will also depend on your drive train. When re-powering, some owners choose to completely change the position of the engine to free up more space in the yacht. If the engine is in the middle of the saloon, for example, then it can be shifted under the cockpit without having to move the prop shaft by fitting a V-drive. Another option is swapping from shaft to saildrive.

Saildrives are popular as they are very easy to fit from the boat builder’s point of view. Just one largish hole is made in the hull, and the whole unit – engine and gearbox, drops into a specially-made cradle that is glassed into the bilge. A large rubber gaiter keeps out the sea.

It is also more efficient than a conventional shaft drive in terms of thrust as the propeller is working at right angles to the water, so no thrust is being lost downwards. There is usually a little less ‘paddle wheel’ effect, as the drive is further forward, but less prop-wash effect on the more distant rudder. Bear in mind that it is recommended to change the rubber gaiters every seven years and costs for this average around £1,100.

Manufacturer assistance

Engine builders won’t just sell you an engine. Most will happily dress it with all the goodies you want, such as upgraded alternators, calorifier take-offs, keel coolers and additional belts. They can also recommend approved fitters who will strip out the old engine (which can be sold to defray costs) tidy up the engine bay, and then drop the new engine in.

Beta Marine, for example, offers a particularly useful engine mount service where – for a very reasonable fee – they will design and factory-fit a set of feet to ensure that your new engine marries up perfectly with your old engine beds. Rebuilding the engine beds themselves is far more expensive.

Conclusions

The main rule is to look beyond the initial cost of the engine and take the long view about the cost of spares, the ease of access and maintenance, and – if you intend to voyage – the service regime and the global network of dealers.

It’s unlikely that you will ever recoup the cost of a new engine installation in the resale value of a second-hand yacht. Instead, you are investing in your enjoyment and safety for many years to come.

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Sailing has been around for centuries, and it remains a popular pastime today. But despite advancements in technology, even the most modern sailboats come equipped with an engine. Why is this the case? There are several reasons why sailboats have engines.

Safety First

One of the main reasons sailboats have engines is for safety purposes. Out on the open water, conditions can change quickly, and sudden winds or currents can leave a sailboat stranded. This can be particularly dangerous if the boat is near rocks or other hazardous areas. An engine provides reliable backup power to get the boat to safety in such situations.

Maneuverability

Sailboats rely on the wind for their propulsion, but sometimes wind or currents can be working against them. In these cases, an engine can help to steer the boat in the right direction, or to move it out of tricky situations. For example, if you need to make a quick turn or avoid an obstacle, an engine can help to give you the necessary control.

Docking and Mooring

Docking and mooring a sailboat can be tricky, especially in high winds or tight spaces. An engine can be used to help maneuver the boat into position, making it easier to securely tie up at the dock or mooring buoy.

Improved Range

With an engine, sailboats are not limited to where the wind can take them. It is possible to travel greater distances in a shorter amount of time, which can be particularly useful for longer trips or crossing open water. An engine can also help to recharge batteries for any electrical equipment onboard, such as radios or navigational aids.

Emergency Backup

Even the most experienced sailors can run into unexpected situations, such as a severe storm or equipment failure. In these cases, an engine can provide a reliable backup option for propulsion, making it easier to get to safety quickly.

While sailboats are designed to harness the power of the wind, an engine provides the safety, maneuverability, and backup power needed for you to enjoy your sailing experience to the fullest. Whether you plan to take a long-distance voyage or just a leisurely sail around the bay, a sailboat with an engine is the better choice when it comes to safety and convenience.

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Systems & Propulsion

Electric and Hybrid Propulsion for Sailboats

Practical sailor looks at the players in the developing field of electric auxiliary engines.

How soon will electric auxiliary propulsion be available to everyman? That depends on whom you ask. Opinions differ widely not just on what type of drive system might surge to the forefront, but even on whether the concept itself is viable. While a handful of companies forge ahead, notably Glacier Bay and Electric Marine Propulsion on this side of the Atlantic, some expected participants are waiting on the sidelines.

Photos courtesy of Manufacturers

One of the big issues that divides promoters and detractors alike is whether the appropriate way to go in a sailboat is with a pure diesel-electric drive train, with a hybrid electric drive with a diesel generator as back-up, or as a pure electric drive with regeneration capability. We’ll take a look at these and other options later in this article. For now, the short answer is that no single approach suits every sailor all the time.

Simply put, in the diesel-electric system, the electric motor runs only when the diesel-driven generator is running. Such arrangements have long been employed in railway locomotives, submarines, and commercial vessels of many types. In the hybrid system, a large bank of batteries provides the energy for the electric motor and the diesel generator recharges the batteries. On the face of it, the hybrid system offers a certain degree of redundancy in that, assuming the batteries are kept well charged, the boat has a measure of emergency power should the generator fail at an inopportune moment. The hybrid also is capable of recharging its batteries when sailing: Driven by the turning propeller, the motor becomes a generator.

Each of these approaches has its strengths and weaknesses, and while we’ll leave it to their developers to work out the technical issues, we would like to urge anyone contemplating installing an electric drive, or purchasing a boat that has one, to first look very closely at how they expect to use the boat. There’s more entrained in the choice than in picking a flavor at Baskin-Robbins. More on this later.

Among the electric drives currently available in one form or another, or as components, the big variable is operating voltage. Motors are available that run on 24, 36, 48, 72, and 144 volts, and, in the case of Glacier Bay’s diesel-electric system with Ossa Powerlite technology, 240-volt DC. Each supplier will discourse at length on the merits of their voltage choice, but an inconvenient fact haunts the entire field: High-voltage DC is deadly, potentially more so in some circumstances than AC.

While neither form of high-voltage is “safe,” we have a lot more experience with AC aboard recreational vessels than with high-voltage DC. An extensive body of knowledge exists on which to base AC installations so as to make them safe as well as reliable. High-voltage DC is used in a variety of marine and non-marine commercial applications, but these installations are well protected from access by untrained operators.

What voltage constitutes high voltage? That, again, depends on whom you talk to. The American Boat & Yacht Council (ABYC), which sets voluntary standards for the marine industry, defines it as 50 volts and above. Prompted by rapid adoption of high-voltage services in small commercial craft and bigger yachts, though not specifically in propulsion systems, the ABYC is in the process of drawing up guidelines for voltages higher than the 48 volts covered by existing standards.

An absence of standards might not deter individuals from installing an electric drive, but it might impede widespread adoption of the technology. If a surveyor can’t state in an insurance survey that a boat is built according to ABYC standards, that could affect its insurability.

Jim Nolan, who manages the underwriting department for BoatUS, said the company has no clear cut guidance regarding insuring boats with electric propulsion. Each boat is dealt with on a case-by-case basis. A new boat with a factory-installed system would be a good deal easier to underwrite than a one-off or do-it-yourself project, especially in the absence of a standard practice. Lagoon Catamarans’ 72-volt-DC hybrid system, for instance, has qualified for the European standard (CE) certification on the strength of following industrial standards that apply to such applications as fork-lift trucks. Anyone contemplating an electric drive would be well advised to discuss it ahead of time with an insurer and even get a surveyor involved from the outset.

Because of the safety issues surrounding the voltages involved in electric propulsion, Fischer Panda has decided to limit its DC product line to boats weighing 10 tons or less. A company representative we spoke to said that while Fischer Panda currently sells DC generators up to 48 volts in the USA for marine use, it “won’t touch” high-voltage DC because it’s lethal.

A proposed collaboration with Catalina Yachts to fit a diesel-electric system in a Catalina-Morgan 440 never came to fruition due to budget constraints, according to Fischer Panda. But in Europe, Fischer Panda teamed up with Whisperprop to equip a Bavaria 49. (Beyond the fact that one of its boats was used, Bavaria Yachts was not involved in the project.) According to Fischer Panda, after evaluating the Bavaria project, the company decided that the diesel-electric AC system is a niche product that wouldn’t interest their prime market: original equipment builders.

“Although the AC system has some advantages in the improved response of the electric motors … and the quietness of the system, the desired fuel efficiency and weight savings were not evident,” Fischer Panda reported.

Fischer Panda considers the DC system to be more suitable for its North American customers. Although it’s limited in output due to its limited battery voltage of 48 volts, it is still able to power multihulls up to 10 tons.

Currently, much of the movement toward electric drives is taking place in the catamaran world. This makes sense when you consider that a single diesel generator can, in theory, provide all the boat’s electrical needs and also take the place of two diesel-propulsion engines. Taking the lead in the field, Lagoon Catamarans introduced in 2006 the Lagoon 420. Originally offered only as a hybrid, it now is also available in two diesel versions. Corsair Marine is building the Corsair 50 catamaran around the Glacier Bay diesel-electric drive, but the boat’s launch date—formerly set for this summer—has been postponed.

Dick Vermeulen, president of Maine Cat, tried the Glacier Bay system in a prototype power cat, but it failed to meet performance expectations, so production models will have conventional diesels. A number of other cat builders have announced hybrid or diesel-electric projects, but feedback on how they perform is scan’t.

So much for the mainstream—but backwater sailors will go their own way, as they always have. As more vendors and components enter the market, the options for do-it-yourselfers or custom-boat customers become broader and more attractive. However, before going ahead with an installation, make sure it’s appropriate to how you plan to use your boat, and even then be prepared to adapt the way you sail to take best advantage of the system’s characteristics. Here’s a rundown of the various types.

Electric Drive Only

Duffy Electric Boats has for years been building electric launches and lake boats that have the simple capability of puttering around in sheltered waters for a period of time determined by battery capacity and speed maintained. A battery charger powered by shore power charges the batteries overnight. Transferring that approach to a sailboat up to about 25 feet used for daysailing and kept near an electrical outlet shouldn’t be too difficult. It won’t offer the assurance of diesel when trying to get home against current or wind, but a proven 36- or 48-volt system will keep you out of uncharted standards territory.

For a bigger boat, more power, a greater range, or a combination of these requirements, it will be necessary to install a large battery bank and almost certainly will entail going to a higher voltage to keep the amps and the cabling needed to carry them manageable. The boat’s range under power will be limited by the weight of batteries, and while lighter lithium-based technology is on the horizon, for now the standard is lead/acid. The fast charging, but expensive pure lead thin plate (PLTP) Odyssey batteries have attracted particular interest among propulsion enthusiasts.

Electric Drive with Regeneration

The next level up in complexity is a “reversible” system. When the boat is sailing, the propeller turns the motor, which then becomes a generator. The electricity it makes is used to recharge the batteries. The capability to regenerate extends the boat’s potential range, but the drag on the propeller slows the boat measurably. One hour of regen will not restore the power consumed by one hour of motoring, but if sailing time sufficiently exceeds motoring time, this arrangement offers considerable range.

A regenerating system does have the potential to overcharge the batteries once they become fully charged and the boat continues to sail fast. The solution is, ironically, to give the motor some “throttle,” which reduces the drag on the propeller and consequently the power output. This phenomenon gives rise to a new technique, that of “electro-sailing” in which sails and an electric motor complement each other. At present, the “throttle” must be adjusted by hand, but developers are working on automatic controls. Field trials of existing regen motors such as the Solomon systems suggest that a small regen motor’s ability to match the output of a much higher-rated diesel have been overstated.

Hybrid Electric Drive

A hybrid system adds to the mix an onboard generator, which is used primarily to maintain charge in the batteries, both those for the propulsion motor and for the house services. This arrangement extends the boat’s capability to lie for long periods at anchor, independent of shore power for electricity and without the need to go sailing for the sole purpose of charging the batteries. A hybrid can motor constantly, as long as there is fuel, but it cannot sustain full speed for long periods. This is because the generator is usually rated at a far lower horsepower than that required to drive the boat at full speed.

Diesel-Electric Drive

In a pure diesel-electric, the electric propulsion motor runs only when the generator is running. Storage batteries are not needed for propulsion purposes, and the generator is the source for all onboard electrical power needs. The rationale behind diesel electric lies in the relationship between a diesel engine’s rate of fuel consumption and the load it’s working under. It burns fuel more efficiently when heavily loaded than when lightly loaded. When the diesel engine is disconnected from the propeller, it can be controlled so that it is working in the upper range of its efficiency regardless of how fast the propeller is turning. Nigel Calder’s series of articles in Professional Boatbuilder magazine (www.boatbuilder.com) beginning with the June/July issue delves deeply into the efficiency discussion surrounding these engines. Systems on large vessels are built around multiple generators that switch on or off according to the power demands of the moment. Translating those efficiencies into a smaller boat scenario has proven to be challenging.

Hype vs. Experience

Maine Cat’s Vermeulen, on the company’s website, describes the sea trials he performed in the Maine Cat 45, a power catamaran. He began with a Glacier Bay diesel-electric system with two 25-kW generators, each weighing about 550 pounds.

“With both generators putting out their full power of 25 kW each … our top speed was a disappointing 8.4 knots, and the assumption that electric horsepower was somehow more powerful than conventionally produced horsepower was in serious doubt.”

He replaced the propellers with a pair with less pitch, which allowed the electric motors to reach their full rating of 1,100 rpm, but that only increased the speed to 9.1 knots.

“These are about the same speeds and fuel burns we get on our Maine Cat 41 sailing cat … powered by twin 29-horsepower 3YM30 Yanmar diesels with saildrives and two-bladed, folding propellers.” At the time he installed them, the 25-kW generators were the highest power available from Glacier Bay.

Vermeulen replaced the diesel-electric system with twin 160-horsepower Volvo diesels. At 9.1 knots, they together burned 2.2 gallons per hour, considerably less than the 3 gallons per hour that the Glacier Bay system burned at the same speed. With the twin Volvos maxed out at 3,900 rpm, the boat made 24.5 knots.

Also among the unconvinced is Chris White, well-known designer of ocean-going catamarans. “To date, I’ve not seen any system that makes sense for a cruising boat,” he says, but he might change his mind, “if someone can show me by building one that delivers an advantage in performance, weight, or cost.”

White sees the current bubble of interest in diesel-electric drives as a fad. In the end, he says, you’re getting the horsepower the diesel creates at the crankshaft, which is basically the same whether it’s delivered to the prop via a conventional reduction gearbox or via a generator and an electric motor. Besides, he says, diesel engines and diesel fuel are understood and available anywhere in the world you might take a sailboat. Complex, electronically controlled electric motors are not.

White’s reservations notwithstanding, it’s in the world of catamarans that we’re seeing most of the applications. At first sight, it does seem logical that replacing three diesel engines—two propulsion and one generator—on a fully equipped cruising cat would result in fuel savings. Still, if the generator is big enough to drive the boat at cruising speed (which in a cat is expected to be in the vicinity of 10 knots) and run the air conditioning at the same time, it will be overkill for the times it’s only needed to operate the boat’s services. For this reason, commercial and military diesel-electric systems employ multiple generators that can be switched on and off according to the power demand of the moment.

Corsair Marine hopes that by installing a diesel-electric system in its 50-foot catamaran, it will be able to descend the weight spiral. Where a conventional installation would involve two 75-horsepower saildrives plus a 6-kW genset, it’s fitting a pair of 28-horsepower electric motors, one 25-kW generator, and a 40-amp, 230-volt battery bank. It expects to save about 700 pounds in equipment weight, some of it through the use of high-voltage, low-current systems, which will in turn reduce the rig requirement, thus the structural weight, and so on toward an estimated overall weight savings in the thousands of pounds.

Corsair’s David Renouf estimates that the boat will cruise at 8 knots and be capable of short bursts at 10. He admits that, until the first boat is launched, his information is “based on extrapolation, not proven numbers.” He says that some clients will add a second 25-kW genset to assure longer periods at 10 knots. Currently, the project is running behind schedule, with a launch scheduled before the end of the year.

Cost and Other Benefits

At the present time, there appears to be no reason to install any proprietary electric drive of any description in the expectation of bettering the economics of a standard diesel drive. The motors and their electronic controllers are sophisticated and expensive. A battery bank sufficient to provide a useful motoring range is a big investment in weight, space, and money. When you add a generator and its peripherals, the cost and weight take another upward leap.

Only the simplest system will begin to pay itself off in terms of fuel not burnt, and then only if the boat sees a great deal of use. A diesel-electric system designed to closely dovetail with the way you use the boat may prove to be more efficient over time than a conventional diesel installation, but until enough systems have been installed and used and data from that use compiled and compared, we can’t know that.

So why even consider going electric? Cleanliness and silence of operation are two qualities that make electric propulsion an attractive proposition for a sailboat, but in order to enjoy them, we have to accept the limitations they impose.

A hybrid or a diesel-electric system enables us to have a single fossil-fuel power source for both propulsion and onboard appliances, but whatever fuel we might save as a consequence of motoring more efficiently for a couple of hours will be inconsequential if we run the generator all night to power the air conditioning.

Conclusions

As we go to press, pickings are slim for sailors looking for an electric solution to the diesel problem. Suppliers of components are few, prices are high, and the feedback on long-term reliability is nonexistent. On top of all this is the elephant in the room: the unexplored safety ramifications that accompany high-voltage DC.

However, none of this should deter the dedicated tinkerer who has funds to match his curiosity and who can live within the parameters imposed by electric propulsion.

Practical Sailor encourages our readers to explore the technology, because ultimately, it is the experimenters who bring us the equipment we eventually come to take for granted.

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The Engines that Power Superyachts

The sight of a majestic superyacht is absolutely fascinating, but only few people actually know the different engine types that power these massive vessels.

The size of a yacht and its weight, which is given in gross tons, have considerable influence on the type of engine it will come with.

For that reason, the majority of superyachts usually do not only have one engine but actually several in most cases.

This post lists the most popular engines used in both smaller boats as well as some of the largest privately owned yachts in the world.

MTU engines

The manufacturer MTU is probably the most popular engine brand in the yachting industry, and their products can be found in vessels from all over the world.

Founded in 1909, MTU first produced engines for airships, most famously blimps, before specializing in the marine industry.

Today the engine manufacturer is also well known for its power train and locomotive, armored vehicle, haul truck engines as well as, of course, yachts.

Not only does MTU offer the best equipment for series and performance yachts, but also customized and specially manufactured engines for superyachts.

The world-renowned company advertises exceptional and powerful engines that are particularly quiet and low-vibration for maximum comfort and the best possible operating conditions.

For yachts, the MTU engine series 2000, 4000, 1163, and 8000 are the most common models and can reach a performance between 400 and 10000 KW or even 500 to 13400 HP.

The 162.5 meters (533 ft) ECLIPSE , currently the third largest yacht in the world, is equipped with not just one but four MTU 20V 1163 TB93 diesel engines allowing the giant vessel to reach top speeds of 25 knots.

Yachts That Use MTU Engines

MOONRISE Yacht: Exceptional $220 Million Superyacht

Superyachts

NINA J Yacht – Awesome $15 Million Superyacht

ROCK.IT Yacht – Extravagant $69M Superyacht

SERENITY Yacht (42 Meters) – Luxurious $35M Superyacht

Caterpillar engines

The international brand Caterpillar is widely known for its mining vehicles, including excavators and trucks and is one of the leading manufacturers of high-quality and powerful industrial engines.

However, Caterpillar also manufactures different engines for the yacht industry and has become a top choice for mid-sized and large superyachts.

The yacht manufacturers Pride Mega Yachts, and Tourquise Yachts are known to put great trust in the engines of Caterpillar, choosing them time and time again for their most high-profile projects.

These include, for example, the ESTATEMENT with its 115 meters (377 feet) and the 77-meter (253 feet) GO, both of which are powered by Caterpillar engines.

Caterpillar offers a wide variety of yacht engines such as the series C12, C18, C32, 3512C as well as VM32C with a performance range between 500 to 8000 KW and 660 to 11000 HP.

At the moment Caterpillar manufactures 18 different models of the series mentioned above that are suitable for exclusive yachts, speedboats, and fishing vessels.

Yachts That Use Caterpillar Engines

Unveiling The Kensho Yacht: A 75-Meter Masterpiece

007 Yacht – 49.0m Luxury Superyacht

SEVEN SINS Yacht – Pinnacle $25M Superyacht

DYTAN Yacht – Stunning 74m Superyacht

MAN engines

MAN SE is a well-known machine manufacturer from Germany, established in 1758 and recently merged to form Traton SE. T

he company has made a name for itself in truck and bus manufacturing and produces different types of engines and machines.

MAN’s most famous project in the boating industry was in 1987 when they supplied a total of nine four-stroke diesel engines for the cruise ship Queen Elizabeth II, which at that time was considered the largest engine for a vessel carrying passengers.

On the water, MAN offers 12 different engines for yachts as well as fishing boats. Their popular i6 series has three different engines which have an output from 537 to 625 KW, which corresponds to 730 to 850 HP.

The V8 series also has three engines which range between 735 and 956 KW (1000 to 1300 HP).

The most powerful yacht engine series by MAN is the V12 model. With an output range of 1029 up to 1471 KW, these powerful engines provide 1400 to 2000 HP per engine.

SEMT Pielstick

The 147-meter (482 ft.) PRINCE ABDULAZIZ is one of the largest yachts in the world, relying on Pielstick engines.

She is powered by two 5,816 kW Pielstick diesel generator sets that produce an astonishing cruising speed of 18 knots, which is considerable for her size.

Since 2006, SEMT Pielstick, which originally mainly produced engines for locomotives, power plants, and naval and merchant’s vessels, has actually been part of MAN, although the brand SEMT remains.

Pielstick was originally based in France, and in addition to producing engines for superyachts, the company built power plants and locomotive engines.

Yachts That Use Pielstick Engines

ATLANTIS II Yacht – Serenity $100M Superyacht

Prince Abdulaziz superyacht e1629351016110

PRINCE ABDULAZIZ Yacht – Stunning $100M Superyacht

A+ Yacht – Exclusive Haven $450 Million Superyacht

Wärtsilä engines

While companies like MAN or Caterpillar have become household names, Wärtsilä is a somewhat lesser-known engine manufacturer in the yachting industry.

The Finnish brand was founded in 1834 and has worked on very large projects like the 82-meter ALFA NERO, the 106-meter BLACK PEARL, and the 84-meter SAVANNAH.

Wärtsilä is therefore not to be underestimated, and their experience in the energy sector makes their engines extremely efficient and highly innovative.

In addition to traditional diesel and gas engines, Wärtsilä also manufactures propellers, marine control systems, and water management solutions.

The majority of their projects are, however, industrial, although it is expected that Wärtsilä will most likely work on more superyachts in the future, given their innovative approaches.

Yachts That Use Wärtsilä Engines

PELORUS Yacht – Sumptuous $250 M Superyacht

DILBAR Yacht – Glamorous $800M Superyacht

SAMAR Yacht – Luminous $100M Superyacht

DREAM Yacht – Dazzling $150 Million Superyacht

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Do Yachts Have Sails (9 Basic Facts)

Yachts have been around for centuries, and in their early days, they were used mainly for fishing and transporting goods.

Nowadays, yachting has become a popular recreational activity, often enjoyed by those who are fortunate enough to own a boat.

But do yachts have sails? To answer that question we must first look at the history of sailing and the evolution of yacht design.

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Do Yachts Have Sails? Basic Facts

The answer is yes, yachts can have sails. In fact, many yacht owners choose to add sails to their vessels for a variety of reasons. Let’s take a closer look at some of the benefits of sailing your yacht.

Adding sails to your yacht can increase its speed, particularly in windy conditions. If you’re looking to add an extra element of excitement to your boating experience, then sailing is definitely the way to go.

Another benefit of sailing your yacht is that it can help you save on fuel costs. Under sail, your yacht will rely less on its engine and consume less fuel overall. This can be a great way to reduce your operating costs and help the environment at the same time.

Finally, sailing your yacht can simply be a lot of fun. There’s nothing quite like the feeling of gliding across the water under sail. If you’re looking for a new and exciting way to enjoy your yacht, then adding sails is definitely worth considering.

In fact, many yacht owners choose to add sails to their vessels for a variety of reasons. Sails can provide an extra level of control and maneuverability, making them ideal for sailing in tight spaces or crowded waters.

Additionally, sails can help to increase the speed and efficiency of your yacht, allowing you to get where you’re going faster and with less fuel.

Finally, some people simply enjoy the look and feel of sailing, and adding sails to their yachts helps to create that experience. Whether you’re looking to improve performance, add more control, or just enjoy the look and feel of sailing, adding sails to your yacht is a great option!

Some Sailing Yachts Are More Capable Than Others

There are a wide variety of sailing yachts available on the market, and each one is designed with different capabilities in mind. Some yachts are better suited for long-distance cruising , while others are more suitable for racing or day sailing. It’s important to choose the right yacht for your needs in order to get the most out of your sailing experience.

Here are some things to keep in mind when choosing a sailing yacht:

The size of the yacht.

Yachts come in a wide range of sizes, from small daysailers to large cruisers. Choose a size that is appropriate for your intended use.

The Type of Hull

Yachts can have either monohull or multihull hulls. Monohulls are the most common type of hull, and they are suitable for a variety of uses. Multihulls are less common, but they offer some advantages for racing and long-distance cruising.

Yachts can have either a sloop rig or a ketch rig. Sloops are the most common type of rig, and they are suitable for a variety of uses. Ketches are less common, but they offer some advantages for long-distance cruising.

Yachts can have either a full keel or a fin keel. Full keels are the most common type of keel, and they offer some advantages for stability and tracking. Fin keels are less common, but they offer some advantages in speed and maneuverability.

The Deck Layout

Yachts can have either a traditional layout or a modern layout. Traditional layouts are more common, and they offer some advantages for comfort and convenience. Modern layouts are less common, but they offer some advantages for performance and style.

Sailing Yachts Offer Fewer Amenities

Sailing yachts offer fewer amenities than motor yachts of comparable size. This is because the focus on a sailing yacht is typically on the sailing experience, rather than on creature comforts.

As a result, sailing yachts tend to have less spacious accommodations and fewer onboard amenities such as Jacuzzis and gyms.

If you are looking for a luxurious yacht experience with all the bells and whistles, a sailing yacht is not the right choice for you. However, if you are looking for an authentic sailing experience, a sailing yacht is the way to go.

Sailing Yachts Can Travel Further

Sailing yachts have the advantage of being able to travel further than their motorized counterparts. This is because they rely on wind power rather than the fuel.

Which means they can keep going as long as there is wind to propel them. This makes them ideal for long-distance voyages and explorations.

Of course, this also means that sailing yachts are at the mercy of the weather. If the conditions are not favorable, then they may not be able to make headway or may even be forced to turn back.

But for those who are willing to take on the challenges of the open sea, sailing yachts offer an unbeatable way to see the world.

Sailing yachts have the ability to travel further than powerboats because they rely on wind power. This means that they can travel for extended periods of time without needing to refuel.

Additionally, sailing yachts are often equipped with solar panels and other forms of renewable energy, which helps to further extend their range.

One of the biggest advantages of sailing yachts is that they can easily navigate through shallow waters. This is because they don’t have a propeller or engine that could get damaged in shallow areas.

Additionally, sailing yachts are very quiet, which makes them ideal for exploring remote areas or spending time in nature. If you’re looking for a way to travel further and explore

Sailing Yachts and Motor Yachts Have Different Costs

The cost of owning and maintaining a sailing yacht can be significantly higher than the cost of owning and maintaining a motor yacht.

This is because sailing yachts require more upkeep and repairs, and their parts are often more expensive than those of motor yachts.

Additionally, fuel costs for sailing yachts can be much higher than for motor yachts, as sails need to be replaced regularly and engines must be powerful enough to move the vessel through the water.

Finally, mooring fees at marinas and other docking locations are typically higher for sailing yachts than for motor yachts. All of these factors can make the cost of owning a sailing yacht prohibitive for some people.

There is no doubt that owning a yacht is a significant investment. Whether you are looking at sailing yachts or motor yachts, the cost can vary significantly.

In general, sailing yachts tend to be less expensive than their motorized counterparts. This is due to a number of factors, including the initial cost of the vessel, ongoing maintenance costs, and fuel costs.

While the initial cost of a sailing yacht may be lower than a motor yacht, it is important to consider the ongoing costs associated with owning either type of vessel.

Sailing yachts require more regular maintenance than motor yachts, as they rely on sails and rigging that need to be kept in good condition.

Additionally, sails and other gear can be damaged or lost during bad weather, which can add to the maintenance costs.

Fuel costs also need to be considered, as sailing yachts rely on wind power rather than the fuel. This means that owners of sailing yachts need to take care when choosing their cruising grounds, as areas with little wind can make for a very slow and expensive journey.

In contrast, motor yachts tend to be more expensive to purchase but cost less to maintain in the long run. As they don’t rely on sails or rigging, there is less that can go wrong and need repair.

Additionally, fuel costs are usually lower as motor yachts only use fuel when they are underway. This makes them a good choice for those who want to cruise to a wide variety of different places, as you won’t be restricted by wind conditions.

So, which type of yacht is right for you? It really depends on your budget and what kind of cruising you want to do. If you want to keep costs down, then a sailing yacht is the way to go.

But if you’re looking for flexibility and ease of use, then a motor yacht is probably a better choice. Whichever you decide, make sure you do your research so that you end up with the perfect vessel for your needs!

Sailing Yachts Are Slower

Sailing Yachts Are Slower than power-driven boats, such as motorboats and speedboats. This is because the primary source of propulsion for sailing yachts is the wind, which does not always have a consistent direction or strength.

Motorboats and speedboats, on the other hand, rely on engines that are capable of generating much more power than the wind in most circumstances.

This power allows them to travel much faster than sailing boats. Additionally, the design of a sailing yacht is not typically suited for high speed, as they do not have the aerodynamic shape or deep hulls that are found in most motorboats and speedboats.

The slower speeds of sailing yachts can be both a blessing and a curse. On one hand, it allows for a much more leisurely and peaceful form of travel with no motor noise to disturb the natural sounds of nature.

On the other hand, it can often take significantly longer to reach destinations that would otherwise be relatively close by when traveling on a faster boat.

For this reason, many sailors choose to chart a course that takes advantage of currents and wind patterns to reach their destination in the most efficient way possible.

Sailing yachts are also not well-suited for open sea travel, as they lack the power and stability of larger motorboats.

This means that sailing trips typically stay close to shore, making them ideal for exploring coastal areas and nearby islands.

However, given the right conditions, sailing yachts can traverse long distances with relative ease.

Sailing Yachts Take More Training to Operate

Sailing yachts require more training to operate than powerboats do. This is because the sailing craft must be maneuvered differently and carefully in order to maintain control and stability while underway.

Sailing requires skill, knowledge, practice, and experience in order to successfully maneuver the yacht under any conditions. Additionally, sailboat operators must understand weather patterns and be knowledgeable about sailing techniques to ensure their safety on the water.

In addition to knowledge of basic seamanship and navigation, sailors must know how to read the wind and sea conditions in order to chart a course that is safe and effective .

This includes understanding how to raise or lower sails for different conditions, trimming the sails correctly for maximum speed, and adjusting the boat to balance the sails.

Sailing yachts also require a different type of maintenance than motorboats. Sailors must inspect and maintain their rigging, sails, and hulls in order to keep their vessels operating safely and efficiently.

Additionally, they must be aware of changing weather patterns so that they can plan the best route for their journey.

In order to operate a sailing yacht, it is essential that sailors receive the proper training and education.

Professional courses and certification programs are available to provide mariners with the appropriate knowledge and skills necessary to safely operate a sailing yacht in different types of weather conditions.

Additionally, experienced sailors may opt for specialized classes that cover more advanced topics such as navigation and boat handling.

Super Mega Sailing Yacht A

Super Mega Sailing Yacht A is a luxurious and powerful yacht built for the purpose of offering the ultimate sailing experience.

It features a double-decked design, state-of-the-art onboard amenities, and enough room to comfortably sleep up to 12 guests.

The yacht boasts three master suites with private bathrooms and two VIP cabins. Super Mega Sailing Yacht A is equipped with the latest navigational electronics, including a satellite navigation system and radar.

The deck is large enough for entertaining, with a wet bar, grill, and seating area. Its powerful engines offer smooth sailing in both calm and rough waters.

For added convenience, the yacht also comes with its own tender as well as a jet ski for an exciting day on the water. With its modern design and top-of-the-line equipment, Super Mega Sailing Yacht A provides the perfect vessel for luxury sailing holidays.

No matter if you’re cruising around secluded islands or exploring open waters, Super Mega Sailing Yacht A offers unparalleled comfort and exceptional performance to make your experience truly unforgettable.

The cabin is fitted with all the modern amenities, including air conditioning and a full entertainment system. There is also a fully-equipped kitchen and dining area perfect for hosting dinner parties or relaxing breakfasts.

Super Mega Sailing Yacht A is designed to offer an effortless sailing experience. Its advanced navigation systems ensure that you’re always on course while its superior construction gives it the ability to take on any rough weather conditions.

With its state-of-the-art propulsion system, Super Mega Sailing Yacht A can reach speeds of up to 25 knots – allowing you to explore further destinations faster than ever before!

You Don’t Have to Be A Sailor To Own A Sailing Yacht

Sailing yachts have become increasingly popular in recent years, and for good reason. They offer a great way to explore the world from a unique perspective.

Whether you’re looking for a luxury holiday or an adventure of a lifetime, there are plenty of reasons why owning a sailing yacht can be an ideal choice.

One advantage of owning your own sailing yacht is that it allows you to enjoy the water on your own terms.

You can customize your vessel to meet your needs and preferences, creating an unparalleled experience tailored just for you. From intimate day trips with friends or family to extended expeditions spanning weeks or months, the possibilities are endless when it comes to exploring by sailboat.

In addition to offering greater flexibility, owning your own boat also gives you the opportunity to get hands-on experience in yacht maintenance and repair.

This can be a great way to develop your sailing skills, as well as build confidence in using the vessel. Even if you don’t plan on taking up full-time sailing, having a solid understanding of how boat works can come in handy during long trips or when something goes wrong.

Finally, there is nothing quite like the feeling of being out on the open sea with just yourself and the elements.

Being able to take control of the wheel and escape civilization for a while is an incomparable sense of freedom that’s only available with owning a sailboat.

With endless destinations to explore around the world and memories that will last a lifetime, owning a sailboat is an experience everyone should try at least once.

Whether you’re a professional sailor looking for a new vessel or someone who has yet to explore the wonders of sailing, having your own boat can be both thrilling and rewarding.

With that in mind, don’t wait any longer – get out there and start living your sailing dreams!

Names Change Based On Size

Yacht names change based on size, as the length of yachts increases, they are referred to using larger and larger titles.

For example, small sailboats with a length of 5 meters or less are referred to as dinghies, while vessels between 5 and 12 meters are typically called keelboats. Yachts from 13 to 20 meters in length are usually known as cruisers, and those between 21 and 30 meters can be named motor yachts.

Finally, any vessel above 30 meters is generally referred to as a superyacht.

It’s important for boat owners to choose an appropriate name that reflects the size of their vessel. Choosing a name that does not match the size of the yacht could lead to confusion when communicating with other boaters.

For example, calling a small dinghy a superyacht could lead to misunderstandings. Additionally, incorrect nomenclature can be disrespectful to the larger vessels on the water.

Finally, it is important for boat owners to choose an appropriate name and stick with it if they plan on moving up the size range in the future.

While the law does not require that yacht names change as size increases, it is wise to do so in order to avoid confusion. This way other boaters will know what type of vessel they’re dealing with from a distance.

In conclusion, yachts can have sails, but most yachts today are powered by an engine. Sails were once the primary source of power for yachts but advancements in technology over time have enabled yachts to be propelled by engines instead.

In some cases, a combination of both sails and an engine will be used to power a yacht, allowing it to harness both wind and motor energy when needed.

While not as popular as they once were, sails are still utilized on some modern yachts and sailboats out there on the open seas.

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Baltimore Investigation Turns to Ship’s Deadly Mechanical Failure

The Dali reported a power blackout and steering problems before hitting the Francis Scott Key Bridge in Baltimore. But what went wrong so far has not been explained.

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An aerial view of a large cargo ship, with the front of the ship sitting under a collapsed bridge.

By Mike Baker and Peter Eavis

Just minutes before the cargo ship Dali was set to glide under Baltimore’s Francis Scott Key Bridge, the ship’s alarms began to blare. The lights went out. The engine halted. Even the rudder, which the crew uses to maneuver the vessel, was frozen.

As a frantic effort to restore the ship was underway, the pilot soon recognized that the aimless vessel was drifting toward disaster, and called for help.

The cascading collapse of the vessel’s most crucial operating systems left the Dali adrift until it ultimately collided with the Key bridge, knocking the span into the river and killing six people. But as crews this week were still sorting out how to disentangle the ship and recover the bodies of those who died, investigators were also turning to the most central question: What could have caused such a catastrophic failure at the worst possible moment?

Engineers, captains and shipping officials around the world are waiting for that answer in an era when the industry’s largest ships can carry four times as much cargo as those just a few decades ago, navigating through congested urban ports under bridges that may carry tens of thousands of people a day,

Already, a few key questions are emerging, according to engineers and shipping experts monitoring the investigation, and most of them point to the electrical generators that power nearly every system on the 984-foot vessel, not only the lights, navigation and steering, but the pumps that provide fuel, oil and water to the massive diesel engine.

The “ complete blackout ” reported by the pilot is hard to explain in today’s shipping world, in which large commercial vessels now operate with a range of automation, computerized monitoring, and built-in redundancies and backup systems designed to avert just such a calamity.

“In the last 30 to 40 years, the level of that redundancy has been increasing quite considerably,” said John Carlton, a professor of marine engineering at City, University of London. “The ship of today is so very different to the one of 30 years ago.”

Yet there is a wide range of possible factors contributing to the failure that investigators will have to sift through as they interview crew members, examine fuel supplies and scrutinize the ship systems that broke down that night.

If there was faulty maintenance, it could have caused a delay in starting the emergency backup generator, or an electrical fault could have prevented it from remaining engaged. Contaminated fuel or an inadvertently closed valve could have fouled or starved the main generators. Human error could have set off problems or failed to overcome them. The ship’s own automation could have led to equipment glitches. Or a fire could have broken out and damaged crucial equipment.

The answers will have implications not only for international shipping but also for who is liable for damages that S&P Global Ratings estimated at more than $2 billion.

Grace Ocean Private, the Singapore-based company that owns the Dali, said it was “fully cooperating with federal and state government agencies.” Grace Ocean’s owner is Yoshimasa Abe, a Japanese citizen who owns at least two shipping lines and more than 50 vessels, including some of the world’s biggest container ships. While the Dali was insured, Mr. Abe’s company potentially faces large claims against it, depending on the findings of the accident investigators.

Given the scope of the failure, it is possible that there were multiple problems. Timothy McCoy, a professor specializing in marine engineering at the University of Michigan, said that much like a plane crash, an extensive breakdown of a ship’s systems typically involves a sequence of events.

A close look at the potential factors would include many of the most essential elements in the operation of a modern cargo vessel — including the fuel that feeds the ship’s 55,000-horsepower diesel engine that in turn powers the ship’s propeller.

Fuel also powers the huge generators that provide electricity to container ships. And a ship like the Dali needs electrical power to run its main engine — its fuel injectors are electrically powered, for instance — and steer its rudder. Without electricity, the ship can go adrift.

An outbreak of contaminated fuel led to reported problems with 32 vessels from Texas to Singapore last August, maritime industry officials reported , with some of them reporting loss of power and propulsion at sea.

In Washington State last year, a large passenger ferry ran aground after losing power as a result of bacterial and fungal growth in the vessel’s fuel tanks that fouled the ship’s filtration systems.

At the time it was built, 2015, the Dali had four generators, according to S&P Maritime Portal, a shipping data service. Not all of them run at once, usually, but container vessels leaving port will typically have an extra generator running, to provide reserve power if needed. “At least two should be online at the same time,” said Mark Bulaclac, an academic on maritime issues who has also served as an engineer on container ships.

If all generators were running on a common source of bad fuel, that might have caused them all to fail.

Henry Lipian, a forensic crash investigator who previously worked in the Coast Guard, said the sudden loss of the ship’s generators led him to think of fuel problems as a potential culprit.

He said investigators would need to look at the fuel on board, how it was delivered, whether it had been tested beforehand and what filtration systems were on the ship. But he said that a problem with the fuel valves could be another explanation.

“I’d want to start tracing all of those fuel lines,” he said.

In Baltimore, investigators were in the process of collecting a fuel sample from the Dali in order to examine the quality, viscosity and signs of any contaminants, said Jennifer Homendy, the chair of the National Transportation Safety Board.

Yet other experts said there were also reasons to doubt the contaminated fuel scenario. New fuels typically undergo testing, and duplicate filtration systems can help clean out problematic components that were not flagged in testing. No reports have emerged of other ships having a problem from the same batch of fuel.

Maritime engineers say an electrical chain reaction could also have caused all the generators to go down. When one generator fails, it can create a situation in which there is too much demand for too little supply of electricity. Other generators are then at risk of being damaged, so the system will shut them down, too, said Richard Burke, a professor of naval architecture and marine engineering at SUNY Maritime College in New York.

“It’s as if you and I are both holding up a heavy weight and I let go,” he said, “You can’t hold it by yourself, so you drop the weight.”

A haywire generator could also zap the electrical distribution system on the ship, said Capt. Morgan McManus, an instructor at SUNY Maritime College.

When all the main generators fail, ships rely on a backup generator that is typically situated above the water line in another area of the ship, with its own fuel source.

Marine engineers say backup generators provide electricity to run some lights, the navigation system — and, crucially, the ship’s steering system. Without at least backup power, the rudder cannot be moved.

Because some lights came back on after the Dali experienced its initial blackout, it appears the backup generator did activate, but only after a roughly one-minute delay. Even then, the lights appeared to go back off, then on again, raising the possibility of a problem with the backup generator.

Ms. Homendy of the N.T.S.B. said this week that investigators had collected data “consistent with a power outage” but were still trying to determine the extent.

Clay Diamond, the head of the American Pilots’ Association, a trade group that has been in close contact with the harbor pilots in Maryland, said that steering was restored after the emergency generator came online. But even with a hard turn to the left and the dropping of an anchor, there was not enough time to turn or stop the ship.

Mr. Bulaclac, the shipping engineer, said backup generators are meant to be regularly tested by turning them on for two hours once a month. “What I would like to know is when that emergency diesel generator was last tested,” he said.

The Coast Guard inspected the Dali when it docked in the Port of New York in September but found no deficiencies on the ship. The Coast Guard did not provide details of what it inspected.

The modernization of ships may have introduced other ways vessels can fail. They have increasingly depended on computers to monitor for troubles and take action when a problem is identified. In some ways, this is a built-in layer of automatic protection: If one component gets overloaded, it can be automatically shut down to prevent further damage. But those shutdowns can cause problems on their own.

“I could not rule out that some computer failure shut all the valves off or shut off pumps that provide the fuel,” Mr. Lipian said.

Michael Forsythe and Jenny Gross contributed reporting.

Mike Baker is a national reporter for The Times, based in Seattle. More about Mike Baker

Peter Eavis reports on business, financial markets, the economy and companies across different sectors. More about Peter Eavis

Catamaran With Motor? 8 Types Explained (For Beginners)

The catamaran’s design reduces the waves and wind’s effects, allowing the boat to travel farther and faster compared to monohulls of comparable sizes.

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However, the wind and waves are unpredictable, so catamarans use motors as either backup or the main propulsion based on their construction.

In this article, we provide all the answers concerning questions about the propulsion systems available to catamarans:

Do Catamarans Have Motors?

Catamarans, including power and sail types, have motors and other mechanized propulsion systems. Except for small cats used in coastal waters, most large catamarans come with different engine combinations even if they have sails.

Do Catamarans Have One or Two Motors?

Catamarans can have two engines because they have two hulls.

This makes them highly maneuverable while underway and makes handling in shallow and tight waters a breeze.

However, many large cats use only one engine. With two engines, you have more maneuverability over the boat, but one engine may increase the speed and fuel efficiency since it reduces weight.

One of the best combinations in a cat is to pair two engines with counter-rotating propellers. The level of control this configuration provides in the water, especially at the marina, is mind-blowing.

Whether you are backing up or mooring, you can adjust the two engines independently to achieve many of the things monohulls find difficult.

So, what propulsion systems are available to catamarans?

Whether you are looking to buy a power cat or sail cat, both feature engines. There is a wide range of power options for different uses based on your budget, preference, and craft design.

8 Types of Motors Used in Catamarans:

1) single outboard.

You will find this in small-sized catamarans of about 25 feet and below.

While single outboards cut cost and weigh less, they can be difficult to steer under power except when you use the motor to turn.

This is because the motor needs the water to flow over the rudders to turn the boat.

Except for owning a small catamaran, a single outboard is not the most efficient propulsion system for this watercraft.

2) Two Outboards

Like monohulls, you can use two outboards on a catamaran.

Smaller cats such as the Seawind 1000 and Gemini 32 can be fitted with two outboards for improved maneuverability in tight quarters and redundancy.

This setup is great for small cruising catamarans because it is far lighter than two large diesel engines, allowing you to store more essentials on the boat.

Catamarans may be faster than monohulls, but their speed decreases with the load they have to bear, so cat owners try to keep their boats as light as possible. Another benefit of this configuration is that two outboards are more affordable compared to diesel engines.

Plus, you can run on one engine if one dies on you while on the water.

However, this arrangement has some serious shortcomings.

Outboards are not the best means of propulsion on the open seas. Because of their inherent weakness, outboards don’t last long, and their reliability decreases with increased exposure to the harsh saltwater environment.

The design of outboards makes them less suitable for choppy waters.

While you can use outboards in twin configurations for catamarans, they perform best on smaller monohull watercraft.

3) Single Diesel

This is common in custom catamarans.

It comprises a single diesel engine in one hull, which reduces weight and makes it more affordable.

However, this configuration can make turning in tight quarters almost nightmarish except for highly skilled skippers.

The boat will turn easily to the side opposite the engine location. For example, the boat will turn with little starboard issues if the engine is in the port hull.

However, you may require several boat lengths to maneuver it to port.

For best results, plan your turns well in advance and do a lot of practice to perfect docking in tight quarters to avoid costly mistakes.

4) Single Diesel Engine with Retractable External Drive

This combination is popular with Prout catamarans, using a Sonic Drive-by Sillette.

It comprises a cockpit diesel engine paired with a steerable external motor.

The arrangement reduces weight and does not create drag when the drive leg is out of the water.

However, the reverse lock mechanism may not work sometimes. Also, the steering yoke and bellows may not work properly when you need them.

This setup is best for smaller boats where two engines’ thrust will be overkill, and they help to save cost and weight.

If your catamaran is on the heavier side, you want to go for something sturdier and more powerful.

A 32 feet Gemini catamaran will make an excellent candidate for this arrangement as the boat can use a single-engine with no problems.

5) Diesel with an Outboard

People who use this configuration do so to save cost and counterbalance the single diesel engine’s powerful thrust.

The auxiliary could be smaller petrol or electric-powered outboard motor.

When you are on the open seas, the diesel gives you enough propulsion during calm weather when you can’t use the sails. The outboard helps in shallow waters, although it is often useless on the high seas, especially during turbulent weather.

The smaller outboard also provides less turning power when it’s very windy than running two powerful diesel engines.

You save space, reduce weight, and keep a few extra thousands of dollars in your bank account.

6) Twin Diesel Engines

For larger catamarans, especially cruising types capable of transatlantic and transpacific voyages, the standard propulsion comes from two large diesel engines.

Each engine is housed in one hull, providing exceptional longevity, fuel economy, and incredible amounts of horsepower to help you through the rough seas in the shortest time possible.

This combination is excellent for redundancy, even though most catamarans can run efficiently on one engine most of the time.

The downside of having two diesel engines is weight, cost, and maintenance.

Diesel engines, compelling models that produce upwards of 40-45 horsepower, can set you back by tens of thousands of dollars. But they will deliver over 8000 hours of work-life easily.

In terms of reliability, durability, longevity, and performance, nothing trumps diesel engines in the marine industry.

Diesel engines are safer to operate as they do not have the same explosion and fire danger as petrol or gas engines. They are easier to maintain and simpler to operate.

Plus, they are the most mature propulsion system in the seafaring world.

However, diesel engines are also heavier and will take up more hull space.

That means less space to store your gear, but it’s a worthy sacrifice considering the capabilities diesel engines offer your boat. Diesel boats not only drive your propeller but can also provide the energy to run every electrical system on board, including navigational equipment, cooking, air conditioning, entertainment, among others.

7) Hydraulic Propulsion

Some catamarans use hydraulic propulsion systems, although these are not popular.

Hydraulic systems are better suited to terrestrial applications as they are prone to many problems that can complicate matters for you while underway:

One , hydraulics generate additional heat, which makes them inefficient.
Second , they can be uncomfortably noisy, making socialization difficult and defeating the whole purpose of leaving city life’s buzz.
Third , hydraulic systems are prone to leakages, which increase their running cost and harm the environment.

These factors make hydraulics less efficient compared to diesel and petrol engines.

8) Electric Hybrid Systems

This propulsion system comprises a diesel engine and an electric motor.

The main issue with this configuration is the complexity of the systems and their overall lower efficiency.

Other Propulsion Systems:

As technology advances, sailors and marine engineering experts continue to find new and better ways to improve seafaring while reducing the planet’s carbon footprint.

This has led to solar, wind turbine, water, and pure electric motor propulsion systems.

For example, the Solarwave Sailor 64 is a solar hybrid-powered catamaran with an installed capacity to generate 15KW, enough to power everything on board the boat.

Solar and electric systems are silent and clean. However, they are insanely expensive and not as reliable as diesel and petrol engines. Also, they require banks of batteries, which add a lot of weight to the cat.

Final Words

Catamarans may look out of place, but many of these vessels offer more flexibility regarding power options.

You can choose from outboards, inboard diesel engines, and even go for the newer electric or solar-powered models.

However, the diesel engine remains the best power system available today for catamarans and other boats.

For reliable performance and mind-blowing thrust capabilities, experienced sailors depend on the time-tested diesel engine.

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Billionaire fights to dock his boat on water behind his house. His 164-foot boat, that is.

The love of the water, and a mega-yacht to enjoy it, is putting one resident at odds with village of north palm beach leaders..

For some people, the ultimate Florida lifestyle is a waterfront house , a private dock and a boat parked next to it. But what if that boat is a mega-yacht , and the mega-yacht stretches 164 feet?

That's the conundrum facing the Village of North Palm Beach.

This tiny community in northern Palm Beach County, with only 13,000 full-time residents, has an identity so tied to the water that a ship's steering wheel is the village's emblem.

But it's that love of the water that is putting one resident at odds with village leaders.

For the past several years, homeowner Michael Bozutto has been battling the village for the right to park his 164-foot Westport, dubbed Honey, behind a home he owns at 932 Shore Drive.

The house, built in 1961, is a one-story, ranch-style property with three bedrooms on a half-acre lot. Bozzuto paid $840,247 for the house in 2014, according to Palm Beach County property records.

Lawsuit rooted in dispute over where to dock mega-yacht

What makes this plain house special is its location. It's on a rare corner bordered on the north and east by navigable waters that provide access to the Atlantic Ocean via the Lake Worth Inlet. The east-facing dock is large enough to accommodate Bozzuto's motor yacht.

Since Bozutto bought Honey for an undisclosed sum a decade ago, he mostly has parked it at the Old Port Cove Marina, near Tiger Woods' 155-foot showy mega-yacht, ironically dubbed Privacy.

More recently, Bozzuto has wanted to park Honey alongside his Shore Drive house, one of four houses he owns in the village. While Bozzuto keeps some personal property at the Shore Drive house, he lives at a house he owns at Harbour Isles Court.

Village officials warned Bozzuto he can't park Honey at 932 Shore Drive because boats can only be parked on docks behind houses that are occupied by the homeowner.

But village rules do not define the word "occupied." For instance, the rules do not state that occupied means the house is a residence where the owner lives. Village rules also contain no restrictions on the size of boats that can be kept at private docks.

After years of pushing back against what he believes are fuzzy rules, Bozzuto in March filed a lawsuit against the village.

More: Cannonsport Marina sells for $58.5 million in big deal for tiny Palm Beach Shores

He alleged the municipality is illegally depriving him of his property rights because nothing in the village code prevents him from mooring Honey at his house. He is asking a Palm Beach County Circuit Court judge to rule that he has a constitutional right to dock Honey there.

Gregory Coleman, Bozzuto's West Palm Beach attorney, said the village has plenty of waterfront homes with yachts parked behind them. But Coleman said the village is illegally blocking Bozzuto from docking Honey at his house because the village is bending to pressure from a handful of neighbors who think the boat is too big.

The selective enforcement is wrong, said Coleman, a former president of the Florida Bar.

"He's a very under-the-radar guy who doesn't cause anybody any problems," Coleman said of Bozzuto. "He pays his property taxes, and he wants to be left alone by the village of North Palm Beach. Unfortunately, they are singling Mike out."

Neither Leonard Rubin, the village's longtime attorney, nor Village Manager Chuck Huff responded to requests for comment.

Eric Stettin, a Fort Lauderdale-based attorney who is representing the village in the Bozzuto lawsuit, said he could not comment on pending litigation.

What good is a man's castle if he can't have a boat in his moat?

Coleman's lawsuit describes the conflict as a battle over property rights, but real estate and yachting experts say it's also a sign of the times.

As wealthy new residents pour into the county wanting all the perks of the Sunshine State, they want a boat to go along with their waterfront homes and golf club memberships. Some longtime residents fear Palm Beach County is turning into a playground for billionaires, to the detriment of everyday people who also want to live in sunshine and peace.

This conflict between Old Florida and new money is an ever-present tension, but even seasoned yacht brokers say they've never seen interest in luxury yachts quite as strong as it is now.

More: Illegal boat slips are popping near Palm Beach Gardens. Residents want regulators to act

"What we've seen in the marketplace right after COVID in the yachting industry, and especially the superyacht segment, is the most incredible growth ever seen in the history of yachting to date," said Shannon McCoy, a luxury yacht advisor and broker with Worth Avenue Yachts in Palm Beach.

"A lot of people are moving here with serious money," added Pascal Savoy, U.S. managing director of Camper & Nicholsons International yacht brokers in Fort Lauderdale.

While in the past Palm Beach County was not considered lively enough for some buyers, Savoy said the county's growing sophistication is putting it on the map in a way never seen before.

"It's a mini-Monaco for us," Savoy said.

Prices for mega-yachts can range from $18 million to $60 million, or many times that, for the largest and most decked-out mega-yachts, Savoy said.

While some yachts can be glitzy, a 164-foot Westport is considered a more low-profile boat, Savoy added.

Michael Bozzuto's interests: Houses, boats and philanthropy

Bozzuto is no newcomer to North Palm Beach. He's been a resident of the village for 20 years.

He is the billionaire owner of a family-owned supermarket wholesaler in Connecticut, and an investor and philanthropist who likes to collect houses and yachts, Coleman said.

In addition to the four North Palm Beach houses and several yachts he owns, Bozzuto in February paid a whopping $31.1 million for a house in the Town of Palm Beach Shores. The house, which has two docks, sits just north of the Palm Beach/Lake Worth Inlet.

Twin City Mall: North Palm clears way for redevelopment, taller buildings at landmark site

Coleman said there is plenty of room for other boaters to navigate the waterway when Honey is parked at the Shore Drive house in North Palm Beach. And while other people may not have as large a yacht, there are other sizeable yachts parked on docks behind other North Palm Beach homes, too, he added.

At a 2017 village council meeting, then-Mayor Darryl Aubrey commented on the issue, according to the complaint.

"When I didn't live here full time, I had a boat sitting in my dock, I was gone nine months of the year. I don't see how you can say that someone has to be in a residence year-round, seems to be some interpretation of occupant, there would be an enormous number of violations," Aubrey said.

Another member of the village council asked if the village had a definition now, the complaint said.

Rubin, the village attorney, replied: "No, we don't," according to the lawsuit.

Show me the money? Here it is: West Palm and Palm Beach rank in top 5 as cities with fastest growth in millionaires

Palm Beach County's waterways run deep, and they are popular

The yacht docking dispute is particularly timely, given the scarcity of dock space for boats of all sizes.

The most convenient place to park a boat is on the water behind a house, brokers say. But not every waterway or channel can accommodate the draft, or depth, of a mega-yacht.

However, the dock behind Bozzuto's Shore Drive house can.

Not only is the Westport not known for its deep hulls, but the waterway also is typical of northern Palm Beach County, which boasts deep water and easy access to the ocean via the Lake Worth Inlet, said Coleman, a lifelong boater.

"In Palm Beach County, they have deeper water, and it allows people to have larger yachts," Savoy agreed.

But not every waterway is deep enough for every boat.

McCoy said she specializes in helping advise potential yacht owners about the county's varied water depths before they buy a house, if they plan to dock their yacht behind it.

If yacht owners don't have a private dock, the other option is a marina. But marina space is hard to find, with many dock berths reserved for months in advance, McCoy said.

Despite the challenges of owning a boat and finding a place to dock it, yacht brokers say demand continues.

They see interest continuing from business executives moving here with their families as they relocate their companies to Palm Beach County. There's also a growing demand for yachts among female buyers, McCoy added.

They also see younger mega-yacht buyers, some even in their early 30s. This is in sharp contrast to the mostly older buyers in the past, Savoy said.

Palm Beach County may not be as go-go as Miami-Dade County when it comes to showy ships, but if interest continues, "it's coming," Savoy said. "You're going to attract bigger yachts."

Put another way: "No one needs a boat, but everyone needs a boat," McCoy said. "It's the ultimate lifestyle."

Alexandra Clough is a business writer and columnist at The Palm Beach Post . You can reach her at [email protected] . Twitter: @acloughpbp . Help support our journalism. Subscribe today.

IMAGES

Do Sailing Yachts Have Engines? Here’s What You Need to Know
Do Sailing Yachts Have Engines? Here’s What You Need to Know
Do Sailing Yachts Have Engines? Here’s What You Need to Know
Do Sailboats Have Motors? Compare Motor Types
Do Yachts Have Engines? Here’s What You Need To Know
The basic part of a sailing yacht

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COMMENTS

Do Sailing Yachts Have Engines? Here's What You Need to Know
Short Answer. Yes, many sailing yachts do have engines. The type and size of engine will depend on the size of the yacht, as well as its intended purpose. The engine is usually used to help the yacht maneuver in and out of tight spaces or to provide extra power in bad weather or when the wind is not cooperating.
Do Sailboats Have Motors?
Small sailboats such as a Hobbie Cat or Sunfish do not have a motor. They are generally propelled solely by the wind. However as boats grow in size the necessity of a motor becomes clear for most sailors. Exiting a slip on sail power alone can be quite a challenge, so an oar is utilized for the task.
Do Sailboats Have Engines? (Surprising Facts & Advantages)
Yes, sailboats typically have engines onboard. The engine is used to provide auxiliary power when the boat is not sailing, such as when entering and leaving a harbor. Some sailboats may also be outfitted with an inboard engine that can be used to propel the boat in the absence of wind. However, when the engine is used, it is often frowned upon ...
Do Yachts Have Engines? Here's What You Need To Know
Yes, most yachts have engines. The size and type of engine vary depending on the size of the yacht and its intended use. Generally, larger yachts will have larger engines, such as inboard motors, while smaller yachts may have outboard motors. Sailboats, which do not have engines, are a type of yacht, but many modern yachts are powered by both ...
Do Sailboats Have Motors? Types, Speeds & More EXPLAINED
Sailboats, by definition, are powered by the wind. Nonetheless, most sailboats you see today also have motors. These are called auxiliary engines because the engines are not the primary means of propulsion. Instead, the boat is designed to sail—but when it can't for some reason, it motors as a powerboat would.
Do Sailboats Have Motors? Compare Motor Types
Most modern sailboats have motors. The type of motor depends on the age of the boat, the size of the vessel, and its purpose. However, there is a class sailboat called a motorsailer. It has an engine that can move it along at speed without the sails, or only the sails can propel it. Many older motorsailer designs don't do very well at either ...
Everything You Need to Know About Sailing With or Without an Engine
In short it is prudent to have an engine fitted to any sailing vessels over about 6 foot in length, largely as a safety measure to ensure you've got better control over your boat in a congested marina. Smaller boats such as dinghies aren't considered large enough to do any major damage and can easily be controlled by paddles when necessary.
Yacht vs Sailboat
Yachts are more expensive, but it's all in the definition of the word. In the US, the understood definition of a yacht is a luxurious sailboat or motor yacht. More often than not, yachts are big enough to require a professional crew. On the other hand, a sailboat is any vessel that uses sails for power.
Do sailboats have motors? Does it require one?
Motors on sailboats are mostly used during an emergency or at the marina, and generally, no one uses them often or for regular sailing. All sailboats will not have motors; only some will have motors, and generally, if a sailboat exceeds some length (maybe 6 or 7 meters), it will have a motor in it. People will often not use these motors; they ...
Sailing yacht
A sailing yacht (US ship prefixes SY or S/Y), is a leisure craft that uses sails as its primary means of propulsion. A yacht may be a sail or power vessel used for pleasure, cruising, or racing. [1] [2] [3] There is no standard definition, so the term applies here to sailing vessels that have a cabin with amenities that accommodate overnight use.
Complete Sailing Guide: Basics to Yachts for Beginners to Experts
It's like the engine of a car, but powered by nature. Jib Sails. These are secondary sails that catch the wind that the main sail doesn't. Think of it as the supporting actor that steals the show sometimes. ... How to Sail a Yacht. Yacht sailing is a bit more complex, often involving advanced navigation systems, multiple sails, and sometimes ...
Marine diesel engines: Understanding your yacht's power plant
The UK Sailing Academy runs the Maritime and Coastguard Agency Approved Engine Course (AEC) regularly. Its purpose-built workshop has several marine diesel engines, generators and outboards. The ...
Why do sailboats have engines? Is it antinomic?
A question not as silly as it seems. On a sailboat, the engine is considered an auxiliary propulsion, a secondary system. To move forward, the sailboat uses primarily the power of the wind, for which it adapts its sails. Logically - even if this is less and less the case for cruising sailboats - a sailboat must move forward faster under sail ...
Know how: Sailing 101
Know how: Sailing 101. To begin You don't need to know much about how a piston engine works in order to drive a car. You get in, turn on the engine, shift into gear, step on the gas, and off you go. In a sailboat, though, you play a far more active role in harnessing the energy that propels you forward. You can get.
How hybrid sailing yachts finally became a feasible option
Bigger race boats have also been attracted by the lure of low-weight propulsion. ... at the propeller in the case of a boat. A diesel engine develops optimum torque between 1,800-2,000rpm, while ...
Why Do Sailboats Have Engines?
Sailboats have engines (usually diesel) for a couple of reasons. One (1) it is safer and easier to exit and enter a marina. Two (2), if the sails cannot be used due to damage, too much wind, no wind, or going directly into the wind. The engine is also used together with the sails to travel faster. In this article, I will explain why having an ...
Do Sailboats Have Engines?
Most sailboats have engines since it is safer and more convenient to sail a boat that has an engine. However, it is not essential and some sailboats do not have engines. Engines are considered a must by most sailors, but not all. Here's what you need to know about why most sailboats have engines and how to choose the right engine for your boat.
Sail GP: how do supercharged racing yachts go so fast? An engineer explains
A yacht also makes waves as it pushes the water around and under the hull from the bow (front) to the stern (back) of the boat. The waves form two distinctive patterns around the yacht (one at ...
Do Sailboats Have Motors? Does It Require One?
To answer this question, yes sailboats do have motors, but not all sailboats have them. In the present day for the most part sailboats are using electric motors instead of traditional diesel or gas ones. Motors on sailboats are usually only used in an emergency or at the marina. Typically, no one will use a motor on a sailboat for regular sailing.
Choosing your yacht engine
The role of the diesel yacht engine has changed, writes Jake Kavanagh. Previously just auxiliary propulsion, now it is the heart of the boat. It makes hot water and generates the electrical power needed to spin radars, grind winches and haul anchors. Modern diesels are lightweight and dependable, but usually do very few actual hours, which can ...
Why do sailboats have engines?
There are several reasons why sailboats have engines. Safety First. One of the main reasons sailboats have engines is for safety purposes. Out on the open water, conditions can change quickly, and sudden winds or currents can leave a sailboat stranded. This can be particularly dangerous if the boat is near rocks or other hazardous areas.
Electric and Hybrid Propulsion for Sailboats
Vermeulen replaced the diesel-electric system with twin 160-horsepower Volvo diesels. At 9.1 knots, they together burned 2.2 gallons per hour, considerably less than the 3 gallons per hour that the Glacier Bay system burned at the same speed. With the twin Volvos maxed out at 3,900 rpm, the boat made 24.5 knots.
The Engines that Power Superyachts
Their popular i6 series has three different engines which have an output from 537 to 625 KW, which corresponds to 730 to 850 HP. The V8 series also has three engines which range between 735 and 956 KW (1000 to 1300 HP). The most powerful yacht engine series by MAN is the V12 model. With an output range of 1029 up to 1471 KW, these powerful ...
Do Yachts Have Sails (9 Basic Facts)
The answer is yes, yachts can have sails. In fact, many yacht owners choose to add sails to their vessels for a variety of reasons. Let's take a closer look at some of the benefits of sailing your yacht. Adding sails to your yacht can increase its speed, particularly in windy conditions. If you're looking to add an extra element of ...
Baltimore Investigation Turns to Ship's Deadly Mechanical Failure
547. The collapse of the Dali's vital operating systems left the vessel adrift until it ultimately collided with the Francis Scott Key Bridge. Erin Schaff/The New York Times. By Mike Baker and ...
Catamaran With Motor? 8 Types Explained (For Beginners)
Catamarans, including power and sail types, have motors and other mechanized propulsion systems. Except for small cats used in coastal waters, most large catamarans come with different engine combinations even if they have sails. ... This setup is best for smaller boats where two engines' thrust will be overkill, and they help to save cost ...
Mega-yacht owner fights to dock boat behind North Palm Beach home
The yacht docking dispute is particularly timely, given the scarcity of dock space for boats of all sizes. The most convenient place to park a boat is on the water behind a house, brokers say.

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Do Yachts Have Engines? Here’s What You Need To Know

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Yacht vs Sailboat – A Definitive Guide

Table of Contents

Six Things that Make It a Yacht

Sailing Yachts or Motor Yachts

Sailboat vs Yacht – What’s the Difference?

How Big Is a Yacht?

Yacht Aesthetics

What about Yacht Racing?

At what point does a sailboat become a yacht?

Are yachts or sailboats more expensive?

Is a 40 foot sailboat a yacht?

Is a sailing yacht cheaper than a yacht?

Do sailboats have motors? Does it require one?

Why does a sailboat need a motor if it has a sail?

Are motors on a sailboat the same as normal boat motors?

How fast can a sailboat sail (travel) without a motor solely on a sail?

Bottom line

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What is Sailing?

Types of Sailing Vessels

Essential Sailing Terms

How Sails Work