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Handcrafted. Custom. Catamarans.

aluminum hull catamaran sailboat

Island Hopper

NEW MODEL - The perfect family boat is here. Doesn’t matter if you like pulling up to sandbar parties, cruising around a lake, or nosing up on an island, the Island Hopper will provide everyone with a fun time on the water.

NEW MODEL - This shallow draft Bay Boat will get you everywhere you want to go. With an in-class leading amount of deck space, there is more than enough room to carry duck decoys, beach bags, and comfortably enjoy the water with your whole crew.

22SF Catamaran

A popular model throughout the Southeast, these smooth-riding catamarans are equally capable of taking the family for a joy ride or cutting through some chop in the ICW.

25SF Catamaran

Available with single or twin motors, the 25SF can make getting offshore a breeze. A spacious boat that is easy to maneuver and capable of going anywhere on the water.

29SF Catamaran

This catamaran can be customized for any boater. If you prefer a sunset cruise in the river, or you want to spend all day bringing in Wahoo, this cat can be customized for whatever you desire.

32SF Catamaran

Used by fishermen and fire departments in the Southeast, our 32’ catamaran gives you plenty of space for all your charter guests.

35SF Catamaran

Our largest boat gives you the size and range for any type of fishing, anywhere you want to go. Customize this with an upper station and a huge coffin box.

Aluminum Hulls

Aluminum Hulls

At twice the strength of fiberglass, our lifetime guaranteed aluminum hulls will provide you with a supremely maneuverable boat that can travel faster and with less draft, all while providing a safe boating experience.

Catamaran Design

Catamaran Design

Catamaran hulls provide a softer, more stable ride with exceptional efficiency all while providing optimal deck space due to wider beams. The lower center of gravity will give you a ride with the least impact.

2 Decades of Experience

2 Decades of Experience

A track record of over two decades of building custom aluminum boats ensures that you will be getting the boat you deserve. Boats built by artisans dedicated to delivering the perfect vessel for you.

Built by Artisans

The Cape Fear Cats team of artisans is invested in seeing your boat all the way through from design to delivery. Our in-house welders, fabricators, riggers, and painters are able to build your boat 100% on site.

We craft all of our 100% aluminum boats to your specific design. Our commercial strength hulls will provide you a top of the line boating and fishing experience.

Built by Artisans

All American Marine Logo

  • Design Advantage
  • Jobs & Careers

THE ALL AMERICAN DIFFERENCE

Whether it’s a high speed catamaran passenger ferry, a monohull cruise boat, or a government research vessel, we know each of our operator’s needs are unique..

This is why we do not conform their objectives to fit existing designs. We work on every detail of the mission of each vessel prior to production, to ensure the most operator-friendly, fuel-efficient, and best performing vessel in its class. All American Marine is at the forefront of aluminum vessel design and manufacturing. Our team is committed to guiding you through each step of the process, and we deliver great value on a vessel that is truly unique to its specific application.

Government Contracts:

Duns #: 86-731-6010 cage#: 3fpe7.

Innovation is at our core whether it’s building North America’s first hydrogen fuel cell-powered commercial vessel or fuel-efficient & long-range survey vessels.  Our experience building the most technologically advanced vessels in the business serves our operators first and foremost.

There’s no “one-size-fits-all” solution on the water, and that’s why each of our vessels is truly unique to our operator’s mission. Our holistic design/build approach serves our operators in the short and long term in a vessels overall value.

Recognized for our craftsmanship and high quality, our  history of repeat customers knows that once a vessel is delivered, we stand by that vessel for years to come. You call? We answer. We stand by the quality of our vessel’s long-term performance and quality.

(360) 647-7602

Work and patrol.

Whether it’s for the LA Port Police or the Texas Game Wardens, AAM has built the toughest and most innovative vessels required for their class.

Research and Survey

From university research & survey to offshore wind support vessels, see how AAM is building the most advanced boats for all of our operators’ needs.

Pilot Boats

This unique catamaran design incorporates Teknicraft’s hydrofoil supported hull with industry leading maneuverability.

Hybrid Vessels

It’s happening on our roads and we know we won’t be able to rely on fossil fuels forever, that’s why AAM is on the leading edge of the decarbonization trend.

Passenger Ferries

From high-speed catamarans with hydrofoil technology to hybrid electric monohulls, we’re building the future of transportation.

Dinner Cruise Vessels

AAM is excited about this growing sector, and we look forward to customizing more vessels for this unique application.

STATE-OF-THE-ART Facility

Approximately 85 miles North of Seattle, All American Marine’s production facility is located along the Northern shore side of Bellingham Bay in Bellingham, Washington. In early 2017, AAM moved into the brand new, purpose-built 57,000 square foot boat construction facility located on Squalicum Harbor, allowing for multiple vessels of varying sizes to be in construction simultaneously with staggered production schedules.

TESTIMONIALS

Gwa Marketing | Aluminum Boats | Catamarans | Monohulls | Passenger Vessels | Hybrid Vessels | Work Boats | All American Marine

“All American builds the highest quality vessels and offers the best value overall value in the country. When we visited their state-of-the-art facility and saw the rapid progress and the quality of work on our first boat, we decided to go ahead and build two vessels.”

Glacier & Wildlife Vessel | Aluminum Boats | Catamarans | Monohulls | Passenger Vessels | Hybrid Vessels | Work Boats | All American Marine

“All American Marine worked with us to refine our goals, build a second, proven vessel that met those goals, and then delivered. In fact, despite building two boats during the midst of a global pandemic, they delivered both boats on time and on budget. This new vessel, with its capacity, comfort, and speed is revolutionizing the fleet for Major Marine Tours. Our customers truly enjoy the spacious and accessible deck spaces when viewing whales and glaciers, particularly the stadium bow viewing area.”

Enhydra Testimonial | Aluminum Boats | Catamarans | Monohulls | Passenger Vessels | Hybrid Vessels | Work Boats | All American Marine

We are very pleased with the team All American Marine has put together to deliver this unique vessel and are eager for our guests to experience San Francisco Bay from the silent decks of the Enhydra [this fall]. We see the propulsion configuration on the Enhydra as phase one in our move toward the full electrification of our fleet. Stay tuned for phase two.

Tpwd Web | Aluminum Boats | Catamarans | Monohulls | Passenger Vessels | Hybrid Vessels | Work Boats | All American Marine

The vessel is definitely a game-changer for the Texas Game Wardens. Our key mission is to make sure the Texas maritime border is safe. The fact of the matter is, there’s not an off the shelf vessel available that meets the daily needs of law enforcement, particularly for long-range vessels. Each step of the way All American listened to us, understood our mission, and in conjunction with Teknicraft, designed and built a vessel that has all the versatility we need to be successful on the water.

Mvsallyfox Sq | Aluminum Boats | Catamarans | Monohulls | Passenger Vessels | Hybrid Vessels | Work Boats | All American Marine

A successful partnership is one that accomplished the goals of all parties and concludes with superior results. King country citizens will be the beneficiaries of these quality vessels for years to come. Thank you to AAK, Teknicraft and King County.

aluminum hull catamaran sailboat

“We chose All American Marine based on their experience and skillset in building such highly customized research vessels, vessels that are in service throughout North America. This new best-in-class vessel will provide an unmatched platform for our continued focus on performing to the most stringent offshore survey specifications in the world, whether that is for nautical charting or for subsea exploration to support offshore wind development.”

Saratoga With Passengers Oblique | Aluminum Boats | Catamarans | Monohulls | Passenger Vessels | Hybrid Vessels | Work Boats | All American Marine

Working with the All American Marine team from start to finish went beyond expectations, and their commitment to detail and excellent project management throughout the process was the difference maker.

KEEP IN TOUCH

To stay in the know about what AAM is up to, whether it’s current builds and new projects, upcoming launches, or industry news, don’t forget to follow our blog , check us out on Facebook and Instagram (@allamericanmarineinc), or shoot us a note and say hello!

aluminum hull catamaran sailboat

All American Marine Launches Another Research Vessel for NOAA

All American Marine (AAM), together with NOAA, are proud to announce the launch of RV GANNET for NOAA Gray’s Reef National Marine Sanctuary (GRNMS). GRNMS is located 19 miles off Sapelo Island, Georgia, and is one of 15 marine sanctuaries and monuments that make up the U.S. National Marine Sanctuary System. This research vessel was constructed inside AAM’s state-of-the-art facility on Bellingham Bay. The vessel is a 52’ x 19’ semi-displacement aluminum catamaran hull that was developed by Nic de Waal of Teknicraft Design in Auckland, New Zealand. The vessel is based on the proven design elements found in the recently commissioned More

aluminum hull catamaran sailboat

All American Marine has Delivered an Innovative Research Vessel for the University of Hawai’i at Mānoa

All American Marine (AAM) together with the University of Hawai’i at Mānoa are proud to announce the delivery of an innovative research vessel, on behalf of the Hawai’i Institute of Marine Biology (HIMB). This state-of-the-art research vessel, IMUA, is a 68.5’ x 25’ semi-displacement aluminum catamaran hull that was developed by Nic de Waal of Teknicraft Design in Auckland, New Zealand. The vessel contains proven design elements found in the recently commissioned and successful research vessels “Blue Manta” and “Shearwater” built for BlueTide Puerto Rico and Duke University, respectively. The vessel was constructed to US Coast Guard (USCG) standards and will operate More

aluminum hull catamaran sailboat

AAM Delivers Unique Ocean Tour and Dive Vessel for Hawaii Dolphin Tours

All American Marine (AAM) is proud to have delivered a unique, highly customized vessel for Hawaii Dolphin Tours based in Honolulu, Hawaii. This vessel is a 50’ x 17’ semi-displacement aluminum catamaran hull developed by Nic de Waal of Teknicraft Design in Auckland, New Zealand. The vessel was constructed in AAM’s state-of-the-art facility on Bellingham Bay and is starting operations this week in Oahu. This new vessel will add capacity to Hawaii Dolphin’s range of snorkel and tour vessel trips. The 70-passenger vessel “Poseidon” was constructed to USCG (US Coast Guard) Subchapter T regulations and is fuel efficient at cruising speeds as More

ALLIED BOATS

The best heavy gauge aluminum catamaran in it’s class!

  • LENGTH OVERALL : 30′ Without Motors / Bow Pulpit
  • HULL ENTRY : 50°
  • TRANSOM DEADRISE : 16°
  • BEAM : 11′
  • BOTTOM : 107″
  • TRANSOM : .250
  • SIDES : 59″
  • FUEL CAPACITY : 240 gallons
  • DRY WEIGHT : 8920 lbs. Without Motors
  • MAX HORSEPOWER : 600 hp.

  • Reverse pilothouse Windshield Design
  • Offshore Motor Bracket With Full Length Swim Step Platform and Welded Aluminum drain plugs
  • Stainless Steel Fasteners Throughout
  • Welded Bow Eye and Transform Eyes
  • Welded Rope Cleats
  • Over-built one piece, 3/8 thicker keel bar for superior keel strength, weld protection and boat life
  • Limited lifetime hull warranty to the original purchaser
  • High duality marine paint interior with clear coat, one color matching exterior marine paint with clear coat.
  • Fully Welded Alaskan Bulkhead (optional)
  • Sliding Cabin door
  • Optional side entry sliding door
  • Reversed Chines
  • Welded self bailing deck
  • Instrument panel with easy wiring access
  • spare switches wired into the circuit breaker
  • Aft battery tray with 3-way battery switch
  • Navigation /Anchor lights
  • High capacity bilge pump W/ float switch
  • 12V Electrical outlet on dash
  • Reversed windshield for superior visibility and increase room
  • 360 degree walk around cabin design
  • Large, oversized transform fish box (optional)
  • (2) Large in deck fish boxes
  • Walk through transform door
  • Non extruded build, plate-plate Welded construction
  • Full length side trays
  • Cuddy area for marine head and storage

aluminum hull catamaran sailboat

ELEVATE YOUR EXPERIENCE

aluminum hull catamaran sailboat

BEST OF BOTH WORLDS, HYBRID SOLUTIONS, FUEL SAVINGS

aluminum hull catamaran sailboat

This equilibrium maintains speed when needed, ensuring secure passages, optimal operational economy, unwavering reliability, and zero-fuel serenity at anchor. 

aluminum hull catamaran sailboat

The ocean connection bestows tranquility, adventure, and sustenance, fostering personal well-being and a vibrant lifestyle.

CUSTOM CATAMARAN ALUMINIUM YACHTS

Discover the ultimate in custom catamaran aluminium yachts with Cosmopolitan Yachts. Our passion for excellence shines through in every detail, from the cutting-edge hybrid diesel/electric propulsion system to the meticulous construction using top-grade materials and state-of-the-art technologies.

At Cosmopolitan Yachts, we take pride in delivering superior build quality and attention to every detail, ensuring unmatched durability, performance, and luxury. Our custom catamaran aluminium yachts are designed to excel in any environment, with marine-grade aluminium construction that provides strength, sturdiness, and resistance to corrosion for sailing in any water conditions.

Whether you’re looking for a silent electric boat or speeds of over 26 knots, our custom catamaran aluminium yachts offer ultimate flexibility in power and fuel efficiency. And with advanced hull forms and superior bow height, you’ll enjoy comfortable sailing even in seas exceeding 1.75m.

Embark on a journey of a lifetime with a custom catamaran aluminium yacht from Cosmopolitan Yachts. Let us help you bring your dream yacht to life with our superior build quality, attention to detail, and passion for excellence. Contact us today to start creating the perfect yacht for your needs and make unforgettable memories on the water.

HYBRID-ELECTRIC, HYDROGEN AND FUTURE BIOFUEL AND BIOGASES

At Cosmopolitan Yachts, we’re committed to creating custom catamaran yachts with the latest in propulsion technology. Our hybrid diesel/electric propulsion system offers ultimate flexibility in power and fuel efficiency,but we don’t stop there. We’re also exploring the use of hydrogen and biofuels as a more sustainable alternative for yacht propulsion and all our yachts are classified as “Hydrogen-Ready”. Hydrogen yachts or the use of biofuels and biogas could be the future of yachting, offering an even cleaner and more sustainable, self-sufficient energy source for powering your yacht.

Our dedication to sustainability and innovation means that we’re always looking for ways to reduce our impact on the environment while still delivering unparalleled performance and luxury. With the combined integration of the most advanced electric and hybrid technologies and, with the use of the next generation of fuels such as hydrogen, solar, biogas or biofuels,we can offer the perfect propulsion system to meet todays.

DISCOVER OUR YACHTS

New journeys await.

Discover the ultimate in durability and performance with our catamaran yacht range, designed to excel in any environment. with a robust aluminium construction and hydrid diesel/electrical propulsion system to make the most of the best technological advancements without any compromises.

THE WAY FORWARD

Equipped with either a conventional diesel or a hybrid diesel/electric propulsion system installed in both hulls, each with dual power inputs. This grants Cosmopolitan Yachts the ability to operate silently and emission-free as an electric boat at lower speeds, while still achieving speeds of over 26 knots. Complete redundancy and future proof.

A MAJOR IMPROVEMENT

To create the ultimate catamaran yacht, we have meticulously crafted every aspect with a keen eye for detail, to provide unparalleled performance and luxury. Our yachts are constructed using top-grade materials and state-of-the-art technologies, ensuring durability, comfort, and efficiency.

SUPERIORLY BUILT

The use of high-quality marine aluminium in our yachts not only provides strength and sturdiness but also ensures resistance to corrosion, making it perfect for sailing in various water conditions.

EXCEPTIONALLY DESIGNED WHIT A MAJOR IMPROVEMENT

We believe that every yacht should be a masterpiece, crafted with passion and dedication. Our commitment to quality and attention to detail is reflected in every yacht we build.

UNMATCHED COMFORT

The most spacious interiors, complete with luxurious to create an unforgettable sailing experience. The modern exterior design pays meticulous attention to every detail, including the placement of windows and other features that provide maximum comfort and offer breathtaking views of the surrounding water.

The yacht’s advanced hull form and superior bow height work in tandem to ensure comfortable sailing, even in seas exceeding 1.75m.

aluminum hull catamaran sailboat

F I R S T    I N    C A T A M A R A N S

  • 1-360-457-5752

BRIX Marine

  • RecPro | Recreational
  • PaxCat | Passenger
  • LabCat | Survey
  • Landing Craft

aluminum hull catamaran sailboat

RECREATIONAL BOATS

aluminum hull catamaran sailboat

Move Beyond with RecPro

3212-ctc | recpro.

The 3212-CTC is the fisherman’s favorite of the RecPro vessels, an inclination cemented by massive aft deck fish lockers, exterior accessible head, extended T-transom, and walk-around cabin. Add tackle storage and bait stations to guarantee that the tools for catching and cleaning are never far away. Also available with a full-width superstructure, configurations including split cuddy staterooms, full galley, and upgraded interior can turn this vessel from a fish-killing machine into the perfect getaway cruiser. Contact sales to explore the full suite of custom options.

Length: 32’ Beam: 12’ Lightship: 11,000 lb HP: 250hp – 300hp Outboards Cruise: 30 kn MPG: 1.4

aluminum hull catamaran sailboat

3513-CTC | RecPro

Join the legacy with the pride of the RecPro fleet, the 35’ x 13’ classic tunnel catamaran (CTC). Spruce up the base model by adding rod holders, downrigger pads, self-draining fish lockers, or removable dinghy davits. Pick the ideal appliances for the full-sized galley, enjoy an upgraded U-shaped dinette, or wake up refreshed with a hot water shower. Twin staterooms in the cuddy and a convertible berth ensure this vessel has ample sleeping and seating arrangements for any adventure.Contact sales to explore the full suite of custom options.

Length: 35’ Beam: 13’ Lightship: 14,000 lb HP: 350hp – 425hp Outboards Cruise: 25 kn MPG: 1.0

aluminum hull catamaran sailboat

3814-CTC | RecPro

  • Recent Build
  • Watch Video

Move beyond with the 3814-CTC, a hallmark of the RecPro lineup. Whether primarily used for fishing or leisure, the 38’ x 14’ platform easily accommodates both a spacious aft deck and a roomy interior. With twin forward staterooms in the cuddy, a convertible dinette, and an additional berth sunk into the starboard hull, this vessel can comfortably sleep up to 7 people. The expanded galley is equipped to house full-sized appliances, and the ample counter space is perfect for those who like to spread out. Contact sales to explore the full suite of custom options.

Length: 38’ Beam: 14’ Lightship: 17,000 lb HP: 425hp Outboards Cruise: 25 kn MPG: 0.8

aluminum hull catamaran sailboat

Move Beyond Ordinary: BRIX Marine Launches the 3814-CTC ‘Hammer Cat’ with Starboard Walkaround for Unrivaled Offshore Adventures

Port Angeles, WA – BRIX Marine, a pioneer in maritime innovation, is thrilled to introduce [...]

aluminum hull catamaran sailboat

4216-CTC | RecPro

The ultimate fusion of luxury and rugged versatility, the 4216-CTC sits atop the RecPro lineup as its largest vessel and an icon of industrial chic. Propelled by a pair of Volvo IPS 650s, the unhindered cruising and vessel stability can best be enjoyed either alongside the creature comforts of a fully customizable cabin, or out in the elements on the massive aft deck. A hold integrated into the swim step isolates fish storage from the engine room of the twin 510hp inboard diesels, keeping your catch cool and uncooked. Contact sales to explore the full suite of custom options.  

Length: 42’ Beam: 16’ Lightship: 30,000 lb HP: Twin Volvo D11 510hp with IPS 650 Cruise: 25 kn MPG: 1.0

aluminum hull catamaran sailboat

  • MILITARY PEDIGREE
  • NEWS & MEDIA

THE ULTIMATE EXPRESSION OF PERSONAL INDEPENDENCE

Introducing Metal Shark Yachts. These highly advanced, industrial-grade oceangoing vessels defy convention while enabling a new level of worry-free exploration and adventure. Our all-aluminum, American-made catamarans offer global range and deliver self-sustaining independence for months on end, putting the world within reach. We invite you to explore the many benefits of these unique expedition vessels.

Our efficient catamaran hull designs deliver nearly twice the efficiency of a comparable monohull yacht, allowing you to cruise at 10 knots comfortably, cross oceans at 17 knots, and exceed 23 knots at sprint speed, all at efficient fuel burns with epic ranges.

Our knifelike catamaran hulls and wide stance reduce vertical ship motion and latitudinal rolling while underway, while a high tunnel and nacelle eliminate wave slamming. Integrated active ride control mitigates both roll and pitch. Use a stemmed wine glass at sea!

Stay at anchor for days, weeks, or months at a time, in comfort and safety, with an unmatched level of autonomy. Our enhanced stability, coupled with massive ground tackle and solar power, combine to create a solid, stable, self-sustaining island of independence.

A Metal Shark Yacht's wide catamaran footprint results in far more usable deck space, opening up myriad possibilities for entertainment areas as well as ample storage space for tenders, toys, and cargo. With a Metal Shark Yacht, you can take it all with you.

A key benefit of our catamaran hull design is a significant reduction in draft compared to conventional monohull vessels. Anchor in 8' of water, safely traverse the small cuts between islands, or let the boat dry out on the hard, without worry. Nothing hurts it.

Unlike traditional yachts with their dark interiors and limited views, a Metal Shark Yacht's elevated, open spaces and floor-to-ceiling windows give the feel of a luxury penthouse while allowing an immersive connection with the surrounding environment. See where you're going. Enjoy the view!

MODEL RANGE

M30 • 30 meters / 100', m48 • 48 meters / 158', m70 • 70 meters / 231'.

aluminum hull catamaran sailboat

Built for a lifetime

Aluminum boats built with every detail engineered, designed, and executed with dedication. ACI Boats builds welded aluminum catamarans and monohulls for recreational and commercial use. Our boats are built to last a lifetime.  

aluminum recreational catamaran for tuna fishing southern california

We are founded on generations of boat building experience. ACI Boats is owned and operated by Cory Armstrong, and backed by a team of skilled craftsmen and women. When choosing a boat builder, quality and trust is everything– ACI boats delivers with a safe, and comfortable vessel that you can rely on.

Welding aluminum boat

Pybus Point Lodge is proud to announce the official launching of two brand new, catamaran style, fishing and touring boats from ACI Boats. This is the second time we’ve had the pleasure of working with ACI and once again, they exceeded our expectations. Since we run a premium fishing and adventure lodge, we don’t just have to worry about our boats being safe and functional–we also have to make sure that our boats have the style and comfort that our guests expect.

ACI Boats is thrilled to announce the official award of a $3 million dollar contract with American Samoa’s Departmant of Commerce for four “Super Alia” commercial fishing vessels. All four boats will be manufactured at ACI Boats’ facility in Port Townsend, WA. The vessels themselves will be 38’x14’ semi-displacement catamarans, designed by ACI Boats and Coastwise Marine Design. The first of the four vessels, to be completed in Fall/Winter 2022, will be used as a training platform for boat owners, captains, and deckhands. The following three boats, will be completed over the course of 18 months and will then be available for lease by the American Samoa Dept. of Commerce, intended to support the growth and safety of the local fishing fleet.

ACI Boats launches it’s first CatLander in it’s line of CatLander landing crafts. Built for the Jamestown Sklallam tribe in Washington State, the CatLander7500 will be used as a spill response support vessel by the tribe.

Link to CWB certification

Adventure to feel free

aluminum hull catamaran sailboat

The future of sailing

aluminum hull catamaran sailboat

Comfort & Luxury

Eyecat offers everything that a true sailor's heart needs! But it also has all the luxury and comfort for friends and family. So together you can sail over the horizon in style.Why settle for a five star-hotel if you can sleep under a thousand star sky on the open ocean. Imagine waking up on your own boat and fully enjoying a 360 degrees view and fully enjoying all the luxuries you can imagine. With our Sailing Island package you'll have a spacious cabin that can be customised to all your wishes and needs.

aluminum hull catamaran sailboat

Performance

The Eyecat is a catamaran built in aluminium, a material that is the future of boat building. The light weight and strength of aluminium will last longer and is strong enough for off-the-beaten path sailing, giving you a sailing experience as closed to a performance monohull as you can get. We've taken into consideration the environmental challenges of our planet and made the eyecat as future proof as possible without compromising on quality, materials and performance. With two electric motors, an aluminium hull, solar panels and a water maker you can sail with peace of mind on the free energy of the wind.

aluminum hull catamaran sailboat

Adventure & Fun

Most important thing on the water is: enjoying the ultimate feeling of freedom! With your friends and family, surrounded by nature, breaking all the limits.

aluminum hull catamaran sailboat

“After 40 years of sailing in a monohull, I wanted a boat with the same sailing performance, but with more comfort and at the same time a smaller footprint. Eyecat 55 is the result: exploring the world in luxury and in a sustainable way!”

aluminum hull catamaran sailboat

We are Eyecat

aluminum hull catamaran sailboat

Latest news

aluminum hull catamaran sailboat

Video update: transport to the harbor

aluminum hull catamaran sailboat

Call us on +31 (0)6 36543848 , or write your name and email address below and we'll be in touch with you

ProBoat.com

Professional BoatBuilder Magazine

An aluminum expedition catamaran.

By Dieter Loibner , Apr 5, 2022

aluminum hull catamaran sailboat

With 110′ LOA, a 35′ beam, and 45′ (33.5m, 10.6m, and 13.7m) of bridge clearance, the H-2 catamaran seeks to make a case for U.S. custom boatbuilding.

Hauling toys beyond the horizon is the raison d’être for a rugged go-anywhere catamaran designed and built in the U.S., a notable exception in the world of big yacht projects.

Gunboat might have left town, but there’s another big catamaran under construction in its old facility in Wanchese, North Carolina. It’s called H-2 , short for Hippocampus 2 , a stout 110-footer (33.5m) that liberally and intentionally quotes from the expedition/workboat vernacular. It’s built from aluminum and was conceived to go to the back of the beyond, where adventure beckons and Vessel Assist doesn’t operate. Aside from commodious and cushy accommodations, the boat offers grid autonomy, ocean-crossing range, and cargo capacity to match the mission of hauling a 26 ‘ (7.92m) tender, a 17 ‘ (5.8m) skiff, a two-person submarine, a four-seat ATV on the main deck, and a small helicopter on the flight deck aft.

The boat was commissioned by Brian Schmitt, 67, a real  estate executive in the Florida Keys, who pilots his own plane to commute to the Bahamas, where he keeps Hippocampus , his current 57 ‘ (17.37m) cold-molded wood/epoxy catamaran. I asked him about the jump from 57 ‘ to 110 ‘ . “I never thought I’d have the ability to do that in my own boat until probably the last few years,” he replied, adding that “it would be 120 ‘ [36.58m] if I had to do it today.”

aluminum hull catamaran sailboat

Its predecessor, Hippocampus, built in wood/epoxy, was launched in 2003. At 57′ (17.37m), it is about half as long as H-2, but with 22,500 miles under its keels, it was a useful starting point for designing the new vessel.

Wearing shorts and a shirt with the new boat’s name and logo to our meeting, Schmitt talked openly about his project, which he manages as attentively as his real estate brokerage with 130 agents. Communication is his thing, responding to e-mail questions in near real time (in ALL CAPS) and talking to contractors directly. No project manager.

A passionate diver who habitually explores remote and exotic locales, Schmitt said he was happy with the first Hippocampus , which has three staterooms and cruises at 15 knots on twin 370-hp Yanmars. “It was the vehicle that got our 17 ‘ tender wherever we needed it.” But running the little boat 60 or 70 miles a day lost its charm. “One of the things I wanted was a twin-engine tender that would have more room for dive gear. That ended up being a 26 ‘ Calcutta, so I needed a bigger mother ship.”

With accelerating climate change, the carbon footprint of ships and large yachts is under scrutiny, but hydrocarbons still win when speed, range, and payloads are priorities. While H-2 doesn’t break the mold there, Schmitt pointed to the project’s virtues as a U.S. domestic build. “You can’t complain about global warming when you’re flying around in your G500 jet that’s contributing more CO2 emissions than anybody else in the world,” he said. “You can’t complain about all the boats being built in Germany, The Netherlands, and Italy, and then go buy a boat [there].” Schmidt wanted to build locally, keeping jobs and money in the U.S. Besides, he noted, this approach simplified communications and enabled him to personally check on progress during COVID. Perhaps most importantly, he could pick a team of trusted and compatible mates to turn his dream into a boat.

aluminum hull catamaran sailboat

The vast build hall left vacant when Gunboat left Wanchese, North Carolina.

He selected John Marples, a fellow pilot, inventor, and multihull specialist for the design and Felix Herrin to build H-2 . Both men had worked for him on Hippocampus , and their familiarity helped when meeting today’s challenges, such as damaging trade tariffs that drove up aluminum prices, and a pandemic that killed millions, wreaked havoc on global supply chains, and caused labor shortages in industrial sectors. These factors have conspired to delay H-2 ’s launching by roughly two years and counting.

Advantage Aluminum

A key decision early on was to build in aluminum, which promised a robust structure but required extra steps to deal with corrosion and noise mitigation. “Construction was reduced to something simple—a V-bottom deadrise model, stretched out,” Marples explained. “There wasn’t any benefit to round bilges on an aluminum boat. You’d have to add internal structure to support the flat panels, and it drives the cost and difficulty of construction way up. We’re talking about a speed-to-length ratio of 2 or less, which is not a big deal. His current boat would do a speed/length of about 3, so the extra length means that you’re never really pushing the boat that hard, so shape was not a huge consideration.”

Marples and Herrin go back at least three decades to their mutual acquaintance with naval architect and boatbuilder Dave Dana, who assisted Marples with the hull design for Admiral Pete , a catamaran passenger ferry still serving Puget Sound. Herrin works with different construction materials, but having built crew boats for Petróleos de Venezuela (PDVSA) at Sea Force in Palmetto, Florida, he has spent considerable time with aluminum.

aluminum hull catamaran sailboat

Taking a break during IBEX 2021 are builder Felix Herrin (left) and owner Brian Schmitt. H-2 is their second joint project with designer John Marples.

The structural components on H-2 are 5083-H32 alloy aluminum plate and extrusions of 6061-T6 alloy. Scantlings, materials, and weldment comply with the American Bureau of Shipping’s (ABS) 2016 design guidelines for pleasure motoryachts. Hulls and wing structures have transverse frames and bulkheads spaced on 36 “ (0.91m) centers. Those frames are supported by substantial centerline vertical keels (CVKs) welded atop twin 3 “ x 8 “ (76mm x 203mm) solid extruded-aluminum-bar keels. Intermediate subframes in the forward and aftermost hull compartments strengthen the hulls for operating in ice. Schmitt indicated he wants to traverse the Northwest Passage. For the same reason, there’s 3⁄8 “ (10mm) plate running the length of the boat above and below the waterline.

The topside and underwing plating is primarily ¼ “ (6mm), with areas of 5⁄16 “ (8mm) to strengthen slamming zones in the bow. The main deck plating is also 1/4 “ while the foredeck plate is specified at 5⁄16 “ . The bottom plating is 5⁄16 “ in the aft two-thirds of the hull and 3⁄8 “ forward. “We built all the frames and bulkheads first, then scarfed together the keel sections [and] lined those up on the bunks that we built on,” Herrin explained. “We welded the CVK on top of the keel, then started installing frames.”

aluminum hull catamaran sailboat

Hulls and wing structure have transverse frames and bulkheads on 36″ (0.91m) centers. The hulls are supported by centerline vertical keels.

Herrin said he changed aluminum suppliers midway through the project, sourcing from Bayou Metal Supply , an ISO 9001:2015–certified distributor in Slidell, Louisiana. “We sourced the material from Greece and from domestic suppliers,” said Taylor Smith, who handles Bayou’s sales. Tariffs, he said, did not slow down business much, but the aluminum cost more. “Felix sent cut files. We had the material in inventory, we cut it, processed it on a router, and shipped it on time. Everything flowed well.”

Naval and structural engineering and detailing was contracted out to Van Gorkom Yacht Design in Portsmouth, Rhode Island. “My first responsibility was looking at structures,” Geoff Van Gorkom said. “Given that this is an aluminum yacht, we can do literally all the structures in 3D and have all the metalwork precut before it came into the yard. All the frames and longitudinals and all the primary structure were precut, which saved huge amounts of time.” Van Gorkom said he uses Rhino 3D and some of the numerous modules such as Orca 3D for hydrostatics and hydrodynamics, and 2D AutoCAD to produce construction details.

aluminum hull catamaran sailboat

Helping save time and money, 3D-modeling allowed frames, longitudinals, and the primary structure to be cut before being sent to the building site.

Van Gorkom observed that H-2 is not a fussy high-performance vessel that needs minimum weight to achieve maximum speed. Besides ABS guidelines that address torsional loads in catamaran structures, he also consulted A.L. Dinsenbacher’s paper “A Method for Estimating Loads on Catamaran Cross-Structure” ( Marine Technology , Vol. 7, No. 4, October 1970) to estimate load conditions in beam and quartering seas. “This is going to be a very stiff boat. It’s going to be a very strong boat simply because it has to be, and that was one of the criteria that Brian put out there right from the very start of the project. The boat is sturdy and stout, a strong expedition yacht.”

Van Gorkom also engineered the setup for a folding deck crane housed under a flush hatch in the helideck on the port side to launch and retrieve the two-man submarine or the ATV. “It’s basically an enclosure that opens up, so the crane extends out,” he explained. “It comes up on a telescoping pipe to swing out and pick up something from the side of the boat.” It required support from beams on each side of the crane and cutting a slot in the helideck for the lifting bridle so the loads can move inboard or outboard. On the starboard side, the 5,500-lb (2,492-kg) Calcutta tender is an even heavier load moved by twin overhead beam cranes. The 17 ‘ Twin Vee is launched and retrieved from the foredeck with a 2,500-lb-capacity (1,153-kg) crane.

Catamarans are known to be weight-sensitive, so how will H-2 handle the weight of all the toys and high superstructure? The arch over the flybridge is 33 ‘ (10.05m) above waterline, Van Gorkom confirmed. “Add another 10 ‘ [3.05m] for the radar, mast, etc., so a comfortable bridge clearance would be around 45 ‘ [13.7m].” Marples conferred with Van Gorkom about the effect of the added weight on the center of gravity, which was deemed “almost imperceptible,” Marples remembered. A quick calculation suggests that a 5,500-lb deck load is equal to only 1.57% of a full-load displacement given as 350,000 lbs (158,550 kg).

High Power, Low Noise

Van Gorkom hired engineers at HydroComp to evaluate the design’s hydrodynamics and propulsion systems, including the influence of hull-shape parameters and demi-hull spacing on resistance. HydroComp also offered a speed-power prediction to aid with engine selection and recommended optimum shaft rpm and propeller parameters. Technical director Donald MacPherson, who prepared the report, outlined the process and findings: “Particularly interesting for this project was the use of its novel analytical distributed volume method [ADVM] for the vessel’s resistance modeling. This 2D technique (between parametric methods and CFD) uniquely allows for assessment of the influence of local sectional area curve regions (such as ‘shoulders’ or inflections) in wave-making drag. It also directly evaluates the effects of catamaran hull spacing.” HydroComp helped optimize the hulls by identifying the regions that contribute most to wave-making drag, and securing a 3% reduction in total drag at the design speed by making what MacPherson called “very minor changes to the immersed volume distribution.”

aluminum hull catamaran sailboat

Rob Ayers works on the installation of the starboard engine’s Evolution Marine Shaft System that will be fitted with a 36″ (0.91m) five-blade propeller.

That simulation was mapped to benchmark performances of four similar catamarans, and the process was run for two design variants, followed by a propulsion simulation for partial-load conditions. The hull-spacing study concluded that the originally designed 35 ‘ (10.7m) beam remained suitable despite the boat being 20 ‘ (6.1m) longer than originally drawn. The chosen propulsion system comprises two MTU 10V 2000 M96, 1505-mhp diesels with ZF 3000 flange-mounted marine gears, providing an estimated top-speed range of 20–22 knots, cruising speeds of 12–15 knots, and 10–13 knots for long-range voyaging. Actual performance will be established during sea trials.

The recommended propeller specifications developed by HydroComp were for five-blade models with 36 “ dia­meters. HydroComp applied Prop­Elements, a wake-adapted propeller-analysis tool, to determine the advisability of installing a nozzle or shroud to restrict transmission of pressure pulses to the hull and to create a more uniform inflow. This would reduce interior noise but would increase appendage drag and power demand. Schmitt said he will wait to see if cavitation or prop noise is an issue before making a final decision.

He invested heavily in noise and vibration mitigation, knowing that an aluminum boat won’t provide the natural sound-dampening of a wood/epoxy structure like that of his first Hippocampus . Consulting with Soundown of Salem, Massachusetts, Schmitt wanted to replicate what worked well on his old boat, starting with the Evolution Marine Shaft System, in which the prop shaft runs in an oil-filled tube and uses roller and needle bearings instead of standard water-lubricated bearings. “You have a lot less shaft noise, but one of the primary benefits of an integral thrust bearing is that it transmits all the thrust directly into the hull, as opposed to pushing on the gearbox or the engine and gearbox combination,” said Sam Smullin, Soundown’s marketing and quality assurance manager. “It allows for a much softer engine mounting, so you reduce the noise from the shaft itself and get a much quieter engine installation, which reduces structure-borne noise.” Because of the relative weight sensitivity of catamarans, Smullin said, “it’s particularly important to do a really good job on the driveline.” His father, Joseph Smullin, president of Soundown and J&A Enterprises Inc., an engineering firm for noise and vibration control, estimated that this could reduce driveline noise levels by 5 dBA to 10 dBA compared to a conventional system.

aluminum hull catamaran sailboat

Clemente Perez, one of Herrin’s build crew, works on the interior. The extensive sound and thermal insulation includes foam sprayed into the cavities.

Soundown also looked at the two 38-kW Northern Lights gensets, which have double-isolation mounts to reduce structure-borne noise. The firm also recommended structural changes to ensure that the mount foundations were as stiff as possible.

Energy from propulsion or generator engines invariably transmits to the boat structure and then resonates through big, flat panels like bulkheads, decks, ceilings, and liners, causing the familiar vibrating rattle. To dampen those vibrations, Herrin said he used Roxul, a lightweight, semi-rigid stone-wool insulation for fire resistance and sound control. His crew also sprayed cavities with Dow Froth-Pak, a quick-cure polyurethane foam for thermal insulation, and installed Sylomer (a microcellular PUR-elastomer) between the structural components and the floors, walls, and panels. “We glued the Sylomer, which is kind of a spongy foam, to the structure of the boat, and then the plywood of the subfloors and walls are glued to that,” Herrin explained, adding that this created a floating interior without any fasteners.

The plywood, called QuietCore, is a composite sandwich panel comprising marine plywood skins and an acoustic damping layer that converts acoustic energy into small amounts of heat that are dissipated. Soundown claims that an 18mm (0.7 “ ) QuietCore bulkhead can reduce noise transmission by up to 10 dBA, an audible reduction 50% greater than with regular marine plywood of equal thickness.

Electricity for a Small Town

Going off grid on H-2 does not mean anyone will suffer, as long as the electrical system keeps powering the boat’s myriad house loads—hydraulic Maxwell windlasses and thrusters; a Webasto air-conditioning system; two full-size stand-up freezers, two refrigerator freezers, and two under-counter refrigerators in the galley, all by Vitfrigo; Krüshr compactors for recyclables and garbage; Headhunter sewage-treatment system; Alfa Laval fuel-polishing system; two FCI watermakers; a complete set of Garmin navigation electronics with full redundancy; and a Böning vessel control and monitoring system.

aluminum hull catamaran sailboat

Two Northern Lights 38-kW gensets are the heart of H-2’s AC system, which also includes a 37-kW Atlas inverter to connect to shore power in foreign ports.

Much of the AC side was designed and specified by Ward’s Marine Electric in Fort Lauderdale, Florida, in cooperation with OceanPlanet Energy of Woolwich, Maine, and principal Bruce Schwab, who helped design and integrate the DC components. “Today there’s a big trend in the industry to use shore-power converters as inverters and superlarge lithium-ion battery banks to provide power, at least temporary power, for major loads like air-conditioning, chiller plants, and things like that,” said Ward Eshleman, chairman of Ward’s Marine Electric. “So, rather than using only smaller inverters and synchronizing them and stacking to get additional kW, the trend for the larger vessels is to use shore-power converters as inverters. There is an inverter bus in the main switchboard.”

True to its go-anywhere mission, H-2 was fitted with an Atlas 37-kW inverter to connect to shore power in places that do not serve 60 Hz, 240V single-phase power. “We can take anything from 90V to 400V and pretty much anything from below 50 Hz to the 60 Hz and single- or three-phase,” Herrin explained.

Eight GTX24V315A-F24 lithium-ion batteries from Lithionics are split between a house bank that can run all DC loads for at least 24 hours, and an emergency bank to operate critical DC loads—display screens, radios, nav lights—for 24 hours. The boat is equipped with 10 Solara Ultra-S 160W panels paralleled in two groups of five each, connected to two Victron SmartSolar MPPT 100/50 solar controllers to charge the house bank. Given enough sunshine, solar and battery power should be “capable of running lights and refrigeration but not air-conditioning or heating,” Schmitt said. “Since we will likely spend most of our time in the tropics, we did not believe that solar power alone could do the job we needed.”

OceanPlanet Energy specified four Victron Buck-Boost DC-DC converters, two for each engine, to help charge the house bank from the starter batteries without having to modify the engines’ stock alternators, which would have voided the warranty. “The converters activate based on the input voltage from the starting batteries,” Schwab explained. “With lower rpm, the alternators would not produce enough current to feed both converters without the starting-battery voltage dropping, turning the converters off. Then the voltage will rise, the converters turn on again, drop the voltage, turn off…over and over. Staggering the input voltage cut-in, hopefully starting the converters one at a time, will more smoothly supply power to the house bank across the engine/alternator rpm range.”

aluminum hull catamaran sailboat

OceanPlanet Energy specified the DC system including DC/DC converters and hefty battery banks to power house loads and critical electronics.

There are two 4,500-watt 240V split-phase engineroom-ventilation fans connected to two Victron Quattro 5-kW 24V inverter-chargers configured for 240V/120V split-phase AC loads. They can accept AC inputs from two sources (shore power or generators) and automatically connect to the available source. “In the event of a grid failure or power disconnect, they take over the supply to the connected AC loads by inverting from the Lithionics house-battery bank,” Schwab said.

“It’s more complicated than that,” according to Herrin. “Typically, we’re going to be operating with the A-bus and the B-bus tied together, so we can power everything with one generator. The B-bus actually passes current through the Victron inverter-chargers on its way to the load. We have the ability to split the A-bus and the B-bus and run the A-bus on one generator and the B-bus on the other in the few instances we’re exceeding the capacity of one of the generators. If we lose both generators, then the essential loads are still going to be carried,” meaning engine vents or water pumps.

Redundancy and emergency backups also figured largely in the deliberations of John McKay, manager of the Switchgear Systems Division at Ward’s Marine Electric and point man for this project.

One of his challenges was limiting the voltage drop in the estimated 53 ‘ (16.2m) cable run between engines, which in an emergency allows the starboard engine to be started from the port battery and vice versa. “For a starter group, you can allow a 20% voltage drop,” McKay said and noted that starting the engines requires 720 amps, while the gensets needed only 200 amps. “I was keeping the 720-amp current between 7% and 11% voltage drop, getting up to some pretty good-sized copper. Some sections of the run were 240mm2 [500MCM] cable.” Knowing that the boat is capable of going to high latitudes, McKay recalled his youth and the frigid winter mornings in Massachusetts, “where you can crank a diesel all day long at a low rpm, and it’ll never start. You just need to turn it over one or two times at a higher rpm, and it’ll be running. So, I was making certain that the starter was going to crank at the highest rpm possible and not lose it all to voltage drop.”

Protecting Assets and Finishing the Job

No matter how fast or how far H-2 will travel, corrosion caused by galvanic current between dissimilar metals, by stray currents or by electric fault, is an enemy that needs to be kept in check. That’s the calling of Ted Schwartz, who runs Electro-Guard (Mount Shasta, California). He’s one of the country’s foremost experts on cathodic protection, and also served on ABYC’s E2 Cathodic Protection Project Technical Committee.

“We designed the system and supplied all the equipment and steered them through the installation,” Schwartz said. It’s a 15-amp impressed-current-cathodic-protection (ICCP) system, model 715 A-2, with three anodes and two reference cells. Regarding the boat’s Evolution shaft system with driveshafts running inside an oil-filled tube, Schwartz said: “It was a real challenge because you can’t actually make contact with the propeller shaft on the inside of the boat.” He consulted with Soundown and found a solution. “At the coupling on the inboard end of the tube, a bit of the shaft stuck out through the seal,” Swartz said. “There’s this coupling that Soundown built that fastens to the shaft, and we asked them to provide a surface on that coupling where we could put our silver slip rings on [to provide an electrical connection] to protect props and shafts.”

Every anode can deliver up to 5 amps of current using its own current controller that receives a signal from the main controller, which determines exactly how much current each anode will put out. The entire system consists of three anodes, three current controllers, the main controller, and a separate monitoring station connected to the controller by signal cable. Later, Schmitt also ordered a backup system employing aluminum sacrificial anodes.

On catamarans, the company installs a reference cell aft near the prop of each hull, and an anode on the aft section of each hull, and one anode amidships on the inboard side on one hull.

aluminum hull catamaran sailboat

Chromate, two layers of epoxy, copious amounts of fairing compound, and various primers rendered the surface fair and ready for a yacht-quality paint job.

At the time of this writing, the vessel had been shot with chromate and two layers of epoxy before approximately 500 gal (1,893 l) of fairing compound and 325 gal (1,230 l) of various primers rendered the surface fair and ready for a yacht-quality Alexseal paint job with 35 gal (132.5 l) light ivory, 24 gal (91 gal) stark white, and 2 gal (7.6 l) cordovan gold. Parallel to the exterior, construction was on the home stretch with installation of the crew quarters and the saloon overhead. On the systems side, pressure checks were performed for hydraulics and plumbing.

Since H-2 is a much larger and more complex vessel than the original Hippocampus , with a multitude of systems that need to be managed, monitored, and maintained, I was curious how many crew Schmitt was planning to hire to help run his new boat. He said he consulted with captains and headhunters, and “the consensus is three or possibly four at most. I just completed my 100-Ton Masters and will build time on the new boat as well. We won’t charter and are not accustomed to being cooked for or served or having our beds made and all that. So mostly I’m looking for a qualified captain and engineer to maintain the systems.”

Little surprise that a hands-on operator like Schmitt does not want to cede too much of the game he loves to play. But as big, bold, and broad-shouldered as H-2 will be when she finally emerges from the old Gunboat shed in Wanchese, the proud owner is quick to remind anyone that it’s still “a vehicle to get the toys wherever.”

H-2 : The Designer’s View

H-2 ’s owner, the adventurous Brian Schmitt, has dived into deep caves to see submerged caverns, hand-fed large sharks that would normally view him as food, and spent years in his off-time exploring Caribbean archipelagos in Hippocampus, his current 19-year-old 57 ‘ (17.4m) power catamaran. Nearing retirement age, he gave the order for his “ultimate” yacht.

aluminum hull catamaran sailboat

The foldable hydraulic deck crane to launch and retrieve a two-man electric submarine or an all-terrain vehicle required cutting a slot in the helicopter deck for the lifting bridle.

The first talk about the new design was between the owner, the builder, and me. As we discussed the mission of the boat, it became clear that it would fall into the category of expedition vessel with more guest staterooms, more range, and more room for equipment than his old boat. Brian defined the function of the vessel as a carrier for a 26 ‘ (7.92m) twin-outboard catamaran, an outboard skiff, a small car, and a small helicopter, which needed a flight deck. This vessel was to be used with family and guests while also serving as an operations base for outbound travel by air, land, or sea.

Aside from commodious accommodations, a key requirement was comfortable motion on rough seas. This was to be a catamaran, like his current boat, which offers extensive real estate afloat in a seagoing vessel. The only restriction for the new design was a beam no greater than 35 ‘ (10.6m) to fit the largest Travelift.

The trade-off for overall beam width involves room versus roll motion. A wider catamaran responds more quickly to roll in seaways but with less amplitude, whereas a narrower beam rolls more slowly with slightly more amplitude. The slower roll is preferable as long as overall roll stability is maintained. Roll in catamarans is unlike roll in single-hulled vessels. Because the vessel is supported by two buoyancy chambers (hulls) with distance between them, motion has little to do with roll inertia, but rather with response of the hulls to the seaway. Each hull responds to a passing wave independently by heaving (up/down) and rolling, which is a circular motion around the center of gravity (CG) that translates to lateral motion when standing above the CG, especially high up on the bridge. Power catamarans, unlike sailing catamarans, do not require wide hull spacing to generate righting moment (to support a sail plan), so they can have closer hull spacing, which still preserves sufficient stability, slows wave-response roll characteristics, and takes up less space in port.

One of the expected routes for this vessel is the Northwest Passage over the top of North America. Boats venturing there can expect floating ice, so we added thicker hull plating at the waterline and an ice-separation chamber on the cooling water intakes. We also designed the hull to give the propeller protection by positioning it behind a deep canoe-stern afterbody with no exposed shaft. A rudder horn, below the propeller extending aft from the hull, adds support for the rudder and protection for the prop. This configuration is useful as a hedge against the possibility of grounding. In fact, this boat can be careened on the beach between tides if necessary for repairs. The hull includes a strong, deep, vertical keel structure that allows for blocking anywhere along its length.

Speed and range became the largest determinates of the design. A maximum range of 4,000 miles at 15 knots (enough to cross the Atlantic Ocean) was proposed. Catamarans are easily driven at modest speeds due to lack of significant wave resistance by narrow hulls. A preliminary speed prediction analysis showed that we would be in the ballpark with about 1,400 hp (1,050 kW) and 5,000 gal (18,925 l) of diesel per hull. The final installed fuel capacity is 12,500 gal (47,313 l).

aluminum hull catamaran sailboat

The general arrangement plan shows crew quarters in the hulls, three guest cabins, office, saloon, and galley on the main deck and owner’s suite on the bridge deck level.

A totally new design normally goes through a lengthy proposal and critique cycle between designer and client, especially if the client is knowledgeable and involved. The vessel’s first iteration started at 90 ‘ (27.43m) LOA, but it became evident that it needed more length to relieve a number of ills. After adding 10 ‘ (3.05m) we saw improvements, but it wasn’t until the 110 ‘ (33.5m) length proposal that we felt all the requirements had been satisfied: more slender hull shape, more open interior space, and better placement of machinery and tankage. The flight deck for the helicopter became larger, and the forward superstructure fairings gave the boat a sleeker look. And at 110 ‘ we achieved an efficient length versus waterline beam ratio that reduced wave drag and fuel consumption at the target cruise speed.

While beam remained at 35 ‘ , lightship displacement increased significantly to 230,000 lbs (104,190 kg). Accommodations now include crew quarters for four persons in the bows; three double guest cabins and a ship’s office forward; a large saloon amidships with adjacent galley, and a dive and a storage locker aft on the main deck. The upper deck is arranged with a full-width-bridge steering station forward, protected by a Portuguese bridge, and a master stateroom with en suite bathroom aft. The flight deck extends aft of the master stateroom. Access to the upper deck is by either a staircase from the foredeck, an interior staircase adjacent to the ship’s office, or by stairs from the starboard side deck.

The largest variable weight on the boat is fuel, so the tankage is located amidships to minimize its influence on trim. Engine and machinery rooms aft of the tankage take up the remaining spaces all the way to the transoms. Other amenities include a utility area aft of the crew quarters port side with storage and washing machines, and a walkway through the tank spaces and enginerooms to the boarding decks at each transom. Another late addition is the flying bridge to aid with shallow-water operation by improving the vantage point to see coral heads and other obstructions. Its protective bimini serves as a mounting platform for lights and antennae.

—John R. Marples

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  • This New 131-Foot Aluminum Catamaran Concept Can Take on a Transoceanic Expedition

CMA's sturdy new multihull will be able to navigate choppy waters with ease.

Rachel cormack.

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Rachel Cormack's Most Recent Stories

Rossinavi just launched a custom, full-aluminum 164-foot superyacht, meet spear, an epic 460-foot trimaran concept that looks like it’s from the year 3000.

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CMA Catamaran Concept

Catamarans tend to be associated with casual coastal cruising rather than lengthy transoceanic expeditions, but Cristiano Mariani of CMA could help change that.

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CMA Catamaran Concept

The layout can be entirely customized by the owner, as can the decor and furnishings. The lower deck is currently configured with two guest staterooms, three crew cabins, and a VIP, while the main deck features another VIP, the owner’s suite, a spacious lounge, and a functional galley. Two additional crew cabins are located in the bow, while the upper deck sports a lounge, a pantry, the captain’s cabin, and the wheelhouse. The interior could be tweaked to include one epic family area or even three VIPs. Owners can also add a spa to the owner’s suite or the VIPs.

Outside, the cat offers over 3,000 square feet of deck space for alfresco dining, entertaining, and lounging. The partially sheltered sundeck is adorned with sunbeds and a bar, while the upper deck is home to an inviting Jacuzzi. Down below, the stern is equipped with fold-out platforms that can be lowered to connect guests with the ocean. The expandable area doubles as a waterside beach club and a mooring spot for runabouts or Jet Skis.

Mariani says he can further develop the project with an engineer and interior designer, meaning that the chosen shipyard should be able to easily execute the build. He just has to reel in an owner.

Rachel Cormack is a digital editor at Robb Report. She cut her teeth writing for HuffPost, Concrete Playground, and several other online publications in Australia, before moving to New York at the…

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Aluminum Catamarans

SPECMAR Aluminum Catamaran Hulls are either symmetrical or asymmetrical in design. A symmetrical hull consists of two basic V-bottom hull structures. Asymmetrical hulls are basically a monohaul craft split down the middle and spread apart. A fOIL assisted cat has a lifting foil between the two hulls to increase performance. One of the advantages of our aluminum catamaran is high initial stability.

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Category Cruiser Sailboats

Posted Over 1 Month

This boat is an absolute gem – excellent condition, beautifully appointed, comprehensive restoration in 2010 includes Awlgrip repaint (hull & topsides), upgraded Raymarine navigation system (autopilot, radar, GPS, chart plotter). Located in Westbrook Connecticut. Very well-maintained and clean through-out with lots of custom features and amenities. Sloop rig, Fiberglass construction, Bulb keel, Wheel steering - 28 Hp Volvo 2003 Inboard Diesel engine (new in 1993). ACCOMODATIONS: V-berth forward w/stowage, port-side single w/stowage, q-berth port, double berth stbd., enclosed head with hanging locker, chart table to port, galley to stbd., 2-burner propane stove, Adler-Barbour refrigeration, gimbaled stainless steel sink and stovetop, two hatches. CONSTRUCTION: Red fiberglass hull and fiberglass deck (Awlgrip in 2010), wheel steering, lifelines/gates, bow pulpit, swim ladder, bulb keel, skeg-hung rudder. COCKPIT: Pedestal-mounted wheel steering (leather-covered wheel) with binnacle table w/grab-rail. RIGGING: Aluminum mast and boom w/ internal running rigging and jiffy reefing, stainless steel standing rigging, roller furling headsail, boom vang, topping lift, flag halyard, hydraulic backstay adjuster. Numerous upgrades too many to list. Detailed spec sheet provided on request. For details of equipment listing for electronics, cabin & galley, electrical & power, sails, rigging, safety equipment, etc. please call or email me directly using the contact info below.

14' Viking (Sail Fish) Boat ,Fiberglass Hull, Aluminum/Nylon Sail

14' Viking (Sail Fish) Boat ,Fiberglass Hull, Aluminum/Nylon Sail

Boston, Massachusetts

Make Viking

Category Daysailer Sailboats

Length 14.0

FOR PICK UP ONLY. LOCATED IN BOSTON, MA. No Holes. One Owner. Comes with all working parts. See pictures for further details.

1999 C&C 121 Blue Hull

1999 C&C 121 Blue Hull

Solomons, Maryland

Make C&C

Model 121 Blue Hull

Category Sailboats

1999 C&C 121 Blue Hull The 121 was the flagship of the C&C Express Series and possesses that elusive combination of uncompromising performance and big, luxurious accommodations. Designer Tim Jacket should be commended. The 121 delivers—this is a legitimate racer-cruiser. The hull is laminated with E-glass and Kevlar. Vinylester resin is used to prevent osmotic blisters. The hull and deck are joined on an inward-facing flange that has an aluminum bar molded into it. The deck is set on the flange in a bed of 3M 5200 and then fasteners are drilled and tapped into the aluminum. C&C’s trademark toerail is incorporated in the joint, and the aluminum bar acts as a full-length backing plate. A structural grid and hull pan are bonded to the hull, and the bulkheads and internal furnishings are bonded with adhesives developed for the aerospace industry. A fiberglass integral web, spreading the rigging loads over a large area, supports the chainplate pods. Deck fittings are backed with 1/4-inch aluminum, which is tapped to allow fasteners to be set and removed for periodic servicing. The 5,500-pound, high-lift keel is bolted to the hull. She has  5-foot shoal-draft making her a perfect Bay Yacht. The 121’s cockpit is designed for efficient sailing. The Edson rack-and-pinion steering system is exceptional. The steering is tight and there is plenty of feel. The primary winches are set well aft and easily reached from the helm, a tip-off that the boat is not just designed to be sailed with a large crew. Every control line is led aft from the base of the mast under the deck to the cockpit. As noted earlier, these keep the cabintop clean.

2013 MACGREGOR 26M SAILBOAT BLACK HULL

2013 MACGREGOR 26M SAILBOAT BLACK HULL

Springfield, Virginia

Make Macgregor

Length 26.0

I bought this boat brand new in 2013 and with full factory equipments that factory had to offer at the time. My wife does not like it so I ended up buying another 24' jet boat and I have to sell this one. It is currently at my slip at Washington Sailing Marina. I only sailed for one hour with my instructor and used the motor approximately less than 3 hours to run around a little bit and that was it. I spent most my time on my 24' jet boat. I enjoyed the time with this sailboat mostly on installing electronic equipments, stereo system, bow thruster. That's right, I installed Sideshift bow thruster to help make it much more maneuverable and easier to moving in and out of slip under any condition. Sideshift is the only best company making add-on bow thruster, a very high quality thruster. You can visit them at www.sideshift.com. Black hull is rare and it is awesome to look at. In fact, I have many good comments from bystanders. There is absolutely nothing wrong with this boat. You can have a peace of mind and never have to wonder if anything is wrong with it; just like buying a used car and wonder if it has ever been in an accident. I also have this boat listed locally, so I preserve the right to end this listing early if someone bought it. If you are in the market for an excellent used Macgregor sailboat, then this is it. My lost if your gain. Please make an offer only you are serious about it then we can arrange a sea-trial; otherwise, lets not waste each other time. My contact is [email protected] . Here the list of items on this boat, I might miss a few thing. sideshift bow thruster SS230 serie. Visit www.sideshift.com for more details on this awesome bow thruster. Extremely useful in maneuvering tight spot and under severe whether condition. A must for any 26’ boat. Aluminum trailer with deluxe trailer upgrade: include brake actuator, disc brakes, galvanized torsion bar axle, aluminum brake caliper housings, and since plated brake discs.Black Hull gelcoat with white stripes and underbodyEvinrude E-tec outboard 60 hp engine white color, this engine also have built-in diagnosis system to check itself every time you start the engine. Top speed about 20 mph, 7000 rpm, winterize this engine take about one minutes, it basically winterize itself. Outboard linkage: links the engine and rudder so the steering wheel will move both the outboard engine and rudder at the same time.Transom ladderGarmin 547xs chartplotter/fishfinder combo with transom mount transducerNMEA 2000 network cable added so that the garmin 547xs can read and display the engine critical data.Genoa sail with CDI furling systemBoom vangMain sail furling system to raise the main sail up and down with ease, very nice feature.Mast raising systemSony marine amplifier and Kicker subwoofermarine CD/MP3 head unit 2 sony marines 6 1/2” speakers2 clarion marine 6 1/2” speakersAlcohol and electric stovecockpit filler cushionscockpit black bimini to match with black hull2 stainless steel cockpit cup holder1 LED cockpit light to light up the cockpit at night6 LED courtesy lights inside cabin120 V power inverter. cabin fananchorsolar power exhaust fan to suck out moisture 200 Walt solar power panel to recharge battery while sailing out there.Total of 4 deep cycle batteries bank on board2 gas tank for a total of 17 gallons.

Rebel 16 Mark II Sailboat with Aluminum Trailer

Rebel 16 Mark II Sailboat with Aluminum Trailer

Angola, Indiana

Length 16.6'

Stable fiberglass sailing boat carries six people (or 1170 pounds). Includes trailer, full rigging, and TWO suits of sails. One suit of sails is in like new condition, the other set is in very good condition. Serial number 1929 (built in late sixties to early seventies I believe). The centerboard swings up into the cockpit, so you can change the depth to dock in shallow water. The rudder also swivels up if it hits an obstruction. The trolling motor in the photos is not included. There is, however a permanent motor mount on the stern. The boat will take up to a 5hp motor, but my 30lb. thrust trolling motor drives it around just fine. The boat is located on West Otter Lake, Angola, IN. Buyer with the selling price in cash or Pay Pal payment can drive it away. (Trailer takes an 1 7/8" ball hitch.) The following article from Sailing Magazine gives a great description of Rebel sailboats. You can access the original on SailingMagazine.net. Rebel 16 2008 January 8 By Staff This nimble and tough classic is perfect for a daysail or a day of racing This year the boat that holds claim to being America's first production fiberglass one-design will celebrate its 60th birthday. That the boat is still in production makes this milestone that much more remarkable. In 1948, fresh out of the Navy, Ray Greene began building a 16-foot family daysailer out of his Toledo, Ohio, shop using a revolutionary new material called fiberglass. The design of the boat was based on lines drawn by a local high school drawing instructor by the name of Alvin Younquist. With its wide, 6-foot, 7-inch beam and 110-pound steel centerboard the stable little boat known as the Rebel soon became a hit on the Midwest's inland lakes. And while Greene said he never intended to create a racer, thanks to the boat's performance-courtesy of a large 120-square-foot main and 46-square-foot jib on a fractional rig-it wasn't long before a competitive structure was built around the boat. By 1952 a class association had been firmly established and by 1963 the class boasted 138 active members. Not bad. Fleets started popping up across the Midwest, south into Kentucky and all the way down to Texas. Meanwhile, class members could be found sailing the inland lakes of the Eastern Seaboard from New York to Florida. After 25 years of building the Rebel, with more than 3,000 hulls produced, Greene was ready to call it quits and sold the works to a group of Chicago investors. Production of the Rebel continued at a steady pace during the 1970s, and was done under a number of names: Melling Tool Co., Rebel Industries and finally Spindrift One Designs. After Spindrift folded, the Rebel moved to Michigan in 1988 when Nickels Boat Works of Fenton took over with the production of the Mark V model. Nickels continues to build the Rebel, offering buyers a choice of a daysailer version for $9,860 or the optimum racing version for $11,872 less sails and trailer. A stainless steel centerboard now comes standard with the Rebel. Nickels also continues to be a great source for parts and accessories, as well as information, on the Rebel. One tough Rebel While there have been reports of problems with the foam flotation on older boats becoming waterlogged, that has been less of a problem on boats from the 1970s and later. Other than that, a buyer of a used Rebel should find few issues with the condition of this durable little boat. Indeed, boats 25 years and older will still top regatta leaderboards. "They're well made, very rugged boats that will last forever," said Al Vorel, National Rebel Association Commodore, who has been racing the same boat, No. 3914, for almost 20 years. "You don't have to run out every 5 to 10 years to buy a new boat." This is one of the reasons for the longevity of the class. Boats tend to stay in the family, passed down from parent to child, with the younger generations wanting to keep the racing going. "My mother races, and my daughter sometimes races, so there are times we'll have three generations on the course," Vorel said. This also, of course, keeps a lot of boats off the market, and finding a used Rebel can be a bit of a challenge. But thanks to the Internet, it's possible to locate a few sellers. Prices can vary from just under $1,000 for an older boat in need of some work to $3,000 or more for a later model. Buyers can typically expect to pay in the neighborhood of $1,500 for a pre-Nickels-era boat in good shape. We were fortunate enough to find a late 1970s Rebel listed for sale on www.craigslist.org. Better yet, the seller was within trailering distance. The offer on the boat was $1,400, so we drove out to take a look. The boat was well cared for, kept under a roof winters, and showed no structural damage. Other than some algae stains and scuff marks the finish looked good, and all the gear was there, including the main and jib, which the owner said he bought new about seven years ago. We did see some possible issues, including a rusty, pitted centerboard and a wooden rudder that looked to have some rotting. So we offered to pay the full $1,400 if the owner threw in the trailer, which he originally wanted an extra $200 for. The deal was closed and we drove off with the Rebel in tow. Rebel with a cause With the boat parked in our yard the first item of business we wanted to take care of was the rusty centerboard. Nickels offers a stainless steel replacement board, and we could picture how sweet the boat would look with a shiny new stainless fin. Unfortunately, these centerboards run close to $1,000; more than two-thirds the cost of the entire boat. So such an extravagant purchase didn't make much sense. Instead we set about rehabilitating the old board. We removed, with a bit of difficulty, the 110-pound board and set in on sawhorses. The first step was to remove the old paint using paint stripper, then power sanding. We then slathered on some Duro Naval Jelly to remove the rust, wiping down everything with paper towels then finishing up with a clean, acetone-soaked rag. Next, we filled in the pits and hollows with West Marine Surfacing Putty, and sanded everything smooth. We made certain the blade was fair by running a straight edge along the board. We also further faired the rounded leading edge of the board to within the class rule limits, which prohibit tapering less than 1/16th of an inch and more than one inch in from the leading edge. We then primed the board with several coats of Interlux Primocon primer, which when dried we wet sanded with 400-grit paper, and finished with a couple coats of Interlux VC-17m Extra bottom paint. With the centerboard done, we then turned to the rudder. An ice pick determined the wood was beginning to rot near the lower trailing edge. We probably could have rehabilitated the rudder as well, but since we had saved some money by not replacing the centerboard we decided to spring for a new rudder. We opted for a fiberglass blade, supplied by Nickels for $375. This cost covered just the blade, as the original aluminum rudder cheeks and hardware were still in good shape. While we were on the phone with Nickels, we decided to order all new running rigging to replace the weathered lines the boat came with. This included lines for the cunningham, boom vang, centerboard system, as well as sheets and halyards for both main and jib. The total for 112 feet of ¼-inch line and 105 feet of 5/16-inch line came to $100. Next we took a closer look at the standing rigging. The spars showed no defects, and with a bit of metal polish and elbow grease the rotating mast, boom and aluminum whisker pole looked good as new. The 1-by-9 stainless steel shrouds and forestay also showed no visible defects. We did, however, find the diamond stays on the mast to be tuned rather tight. According to the North Sail's One-Design tuning guide for the Rebel, an overly tight diamond can limit fore and aft mast bend, and can even cause negative pre-bend, where the mast bends forward at the tip. Since we want to have a competitive boat, we loosened the diamond tension and will readjust after doing some sea trials. As we said, we ultimately wanted to race our Rebel and didn't want a slow boat. So obviously the 7-year-old suit of sails had to go. This would be our biggest expense, and a new suit of sails would alone exceed the original cost of the boat. A new main and standard jib (a light air jib is also available) from North Sails set us back $1,615, which included $20 for class royalties but not shipping. Certainly this was a blow to our budget, but we rationalized it by thinking about the fun we would be having with some close racing come summer. Our last order of business was getting our bottom clean and smooth. We first scrubbed the hull down with a detergent then wet sanded everything below the rails to a slick surface with 1,200-grit paper. After a rinse and wipe down with the hose and clean towels we were satisfied we had a slick bottom. We finished off by treating all our hardware and moving bits to a little McLube Sailkote spray. We now have what we feel will be a contender on the course for our racing crew of two. Yet, with the roomy Rebel cockpit that can seat six, we're also looking forward to some lazy summer daysailing when friends and family show up. Either way, we'll certainly get our money's worth from this tough but nimble little classic. LOA 16' 1.5" LWL 15' 10" Beam 6' 7.5" Draft 3' 4" Weight 700 lbs, Sail area 166 sq. ft.

1985 Bluewater Ingrid

1985 Bluewater Ingrid

Muskegon, Michigan

Make Bluewater

Model Ingrid

1985 Bluewater Ingrid The Ingrid 38 from the pen of William Atkin is a heavy displacement blue water cutter derived from Colin Archer's famous double ender designed North Sea pilot boats, which in turn were inspired by Viking boats renowned for their heavy weather characteristics. Perhaps Atkin sums it up best by saying it's "the kind of boat that behaves herself in rough water and can be depended upon to sail herself". (To that part we do hear frequent mentions of the superb one-finger-on-tiller tracking and a comfortable ride.) With her old world style, Josette's a good looking boat with a sheer line reminiscent of Crealock's famous Westsail 32. Her seaworthiness is there to see in her full keel, heavy displacement and overbuilt construction. Her hull is heavily hand laid in fiberglass. There's robust outboard chain plates and an outboard rudder protected by extra fiberglass and a large bronze shoe casting should she scrub the bottom. Atkin's main rework on the Ingrid 38 from Archer's original design was finer entry on the bow which 'cushions' her landing off the waves and even may increase speed slightly. Below the waterline she has a long full keel with deep v-sections forward keeping her stable in the rough. The ballast is encapsulated and is distributed from bow to stern, to keep the weight as low as possible. Rounding this off, there's plenty of flotation designed in her ends, fore and aft which helps keep her dry. The trade off of heavy displacement and ultimate stability is usually in speed so the Ingrid 38 is not considered fast. By the numbers, her hull speed works out at 7.2 knots but she'll more often manage a consistent 6 knots while cruising. Surprisingly she's known to sail pretty well in light airs, as owners report she'll do half the wind speed in up to 8 knots of wind. However, she's a boat that comes into her own in heavier seas. The cutter rig gives plenty of options on all points of sail and she's an easy boat to single-hand. Josette is her original name and she has spent most all of her life in fresh water. She only spent one year in salt water in 1985, her original launch year. This is a one-owner vessel. The hull was built in 1974 by Bluewater Yachts in Washington state and it is reported that these are the same builders that build the Nordic Tugs. The interior cabin sides (ceiling) were finished in planking by the original owner. The hull is foam insulated to keep you cool when it is hot outside and warm when it is cold outside. The galley area is a great work space for any type of cooking. The mast is anodized aluminum construction by MetalMast Marine, with internal halyards. The hull is solid fiberglass construction and does have some gel coat surface blisters above the waterline, but they do not appear to be structural. She recently had the following engine work accomplished: new head gasket, two new exhaust valves, injector service,

1987 Don Brooke Worldcruiser

1987 Don Brooke Worldcruiser

Miami, Florida

Make Don Brooke

Model Worldcruiser

1987 Don Brooke Worldcruiser Huge Price Reduction!VICTORIA ESTEFANIA is a husky Don Brooke design built in the USA by ISM. She has a full keel steel hull, and aluminum superstructure, and was built to Lloyd’s 100A1+ class with three watertight compartments.Layout has inside and outside helm stations, four staterooms, and three heads/showers.Power is an economical single 325 HP Cummins diesel with 30HP hydraulic bow thruster. The full keel protects the prop and rudder. Electrical system has 3 generators, large battery banks, several inverters, and a world power converter. The ketch rig has Navtec rod rigging and all hydraulic furling and winches.Extensive $400,000 refit fall 2011 included all new paint, new batteries and cabling, rebuilding engine, transmission, and 2 generators, one new generator, and much other mechanical work. 2016 Update:"V.E." is still kept in good order-last year she had a lot of paintworkNew propellor shaft and bearings-steering gear serviced with a new rudder stockBlack tank pressure washed out and a new pump fittedNew main life-raftNew onboard computers and multi function printerCrane servicedSailing dinghy servicedMain tender rewired and new VHF radioFitted-bottom had some refairing done-and 3 coats of antifouling-prop anode changed.

1985 Bluewater Ingrid

1985 Bluewater Ingrid The Ingrid 38 from the pen of William Atkin is a heavy displacement blue water cutter derived from Colin Archer's famous double ender designed North Sea pilot boats, which in turn were inspired by Viking boats renowned for their heavy weather characteristics. Perhaps Atkin sums it up best by saying it's "the kind of boat that behaves herself in rough water and can be depended upon to sail herself". (To that part we do hear frequent mentions of the superb one-finger-on-tiller tracking and a comfortable ride.) With her old world style, Josette's a good looking boat with a sheer line reminiscent of Crealock's famous Westsail 32. Her seaworthiness is there to see in her full keel, heavy displacement and overbuilt construction. Her hull is heavily hand laid in fiberglass. There's robust outboard chain plates and an outboard rudder protected by extra fiberglass and a large bronze shoe casting should she scrub the bottom. Atkin's main rework on the Ingrid 38 from Archer's original design was finer entry on the bow which "cushions" her landing off the waves and even may increase speed slightly. Below the waterline she has a long full keel with deep v-sections forward keeping her stable in the rough. The ballast is encapsulated and is distributed from bow to stern, to keep the weight as low as possible. Rounding this off, there's plenty of flotation designed in her ends, fore and aft which helps keep her dry. The trade off of heavy displacement and ultimate stability is usually in speed so the Ingrid 38 is not considered fast. By the numbers, her hull speed works out at 7.2 knots but she'll more often manage a consistent 6 knots while cruising. Surprisingly she's known to sail pretty well in light airs, as owners report she'll do half the wind speed in up to 8 knots of wind. However, she's a boat that comes into her own in heavier seas. The cutter rig gives plenty of options on all points of sail and she's an easy boat to single-hand. Josette is her original name and she has spent most of her life in fresh water. She only spent one year in salt water in 1985, her original launch year. This is a one-owner vessel. The deck and hull was built in 1974 by Bluewater Yachts in Washington state and it is reported that these are the same builders that build the Nordic Tugs. The interior cabin sides (ceiling) were finished in planking by the original owner. The hull is foam insulated to keep you cool when it is hot outside and warm when it is cold outside. The galley area is a great work space for any type of cooking. The mast is anodized aluminum construction by MetalMast Marine, with internal halyards. The hull is solid fiberglass construction and does have some gel coat surface blisters above the waterline, but they do not appear to be structural. She recently had the following engine work accomplished: New head gasket, two new exhaust valves, injector service, new

1987 Don Brooke Worldcruiser

2008 Catalina Sabot

Lake Ozark, Missouri

Make Catalina

Model Sabot

2008 Catalina Sabot The U.S. Sabot by Catalina continues the tradition of the thousands of Sabots sailing today as the perfect first boat for the beginning sailor due to its simplicity and saftey. Equipped with the racing package, the Sabot offers all the sail controls of a larger boat, so learning sailors can develop the full range of sail trimming skills. TheSabot is built to withstand the tough use of a learning sailor. The full flotation hull is made of innner and outer hand-laid fiberglass parts for durability. The mast is tapered fiberglass and the boom is anodized aluminum.

1980 Naval de Kerlevin Schooner

1980 Naval de Kerlevin Schooner

Marina, California

Make Naval De Kerlevin

Model Schooner

1980 Naval de Kerlevin Schooner Just completed circumnavigation since 2005 to Present with continual upgrades.Built Chantier Naval de Kerlevin Yard, Concarneau, Southern Brittany, FranceSolid fiberglass HullSimi Full Keel with Stainless Steel CenterboardNew Teak decks epoxy on 2012Westerbeke 7.6kw Generator 2006Phasor 3.5kw Generator 2005WatermakerWasher Dryer2690 Hours on Rebuilt Perkins 6-364 180hp Turbo DieselAluminum Masts Replaced 1997 Richmond, CARod Rigging replaced 2012Rudder Bearings replaced 2014Painted Topsides w LP Paint 2010Great Mid Cockpit with custom tableAft Helm CockpitEasily sailed Schooner RigReady to make the next journey or ideal charter vessel.Review Full Specifications

2002 Dehler 34

2002 Dehler 34

Fort Lauderdale, Florida

Make Dehler

2002 Dehler 34 DEHLER 34 sailing Yacht , year of construction 2002, Hull construction material P. R. F. V , length A O 11.21m , max width 3.20 m , draft 1.88 m,  4.5 tons ,  1 wheel ,  passengers maximum crew no. 6,  Sail area 56,6 sq m   Sail wardrobe: n°1 genoa  n°1 genoa Northsail n°1 main in Kevlar e fughe carbonio Zauli n°1 spinnaker Zauli 105 sq m n°2 cruising main (elvstrom) n°1 gennaker north new sail area 99,7 sq m   Engine: n° 1 Saildrive a Desiel Yanmar 2GH20FC , 2 cylinder , capacity 636cc , max power 13,4 Kw , battery n°2 SAFA 12 volt 75 Ah (one engine and on service) Fire extinguishers one automatic   Safety equipment  Bilge pump manual with handle in cockpit, Automatic electric bilge pump, Hourse shoe life bouy with light, Liferaft Arimar,Life Jackets, Set of Flairs,Radar riflector+First Aid box, Binoculars   Instuments on Board:  Magnetic compass  , Log and Eco Raymarine ST60 Tridata , Wind inst. Raymarine ST 60 CH wind , stazione del vento Raymarine ST60 wind,gps with Map Vision 07,VHF Rauff & Sorensen Shipmate RS 8400   On Board Inventory:   Anchor winch and bow roller for Bruce Kg with Chain , Genoa foil Furlex , winches n°2 Lewmar 44 - n° 2 Lewmar 30 , Aluminum spinnaker pole, Carbon bow sprit ,  Bimini , Hot and cold cockpit shower , Stainless Steel bathing platform ,Battery charger Mastervolt , boiler new Quick under guarantee pressurised water, Gas Cooker with 3 burners and oven in S.S  , Fridge top loading.   Sail Geometry :  sloop 7/8;  2 s[redders on the mast, . 2winches self-tailing 2 speeda on coach roof and a set of jammers for the sheets and halyards going aft,2 genoa winches, self tailing and two speed. 2 winches for the Genniker . The engine has 20 hp powering a Sail-drive driving a two bladed prop.  Fuel tank is a galvanised unit with a capacity of 50l .   The water tank has a capacitye of 150 l. Internal Layout: Two cabin with hanging lockers and ventilation. The dinette has a C  configured seating ,un tavolo centrale con ante ribaltabili di legno di Mogano e due gambi d'acciaio, un divano ,la cucina a cielo aperto con doppio lavello di acciaio inox e rubinetto miscelatore,piano da carteggio con sedile. The heads has a manuale Jabsco toilet, sink and shower hot and cold. The hull is very sound with no sighn of blistering or dampness, and it is certain that there is no osmotic areas. The boat has been surveyed for insurance purposes and certified to have a value of 75.000 euro , The asking price iof Euro 49,000 is only slightly negotiable as the boat is like new. All certification has been updated and all tes

1974 Standfast - PJ Standfast 36

1974 Standfast - PJ Standfast 36

Make Standfast - PJ

Model Standfast 36

1974 Standfast - PJ Standfast 36 New Listing of a very reputable boat designed by Frans Maas, a successful Dutch Naval Architect that gained fame in the 60's and 70's, designing sailboats under the RORC rule and IOR. To add to the pedigree, this boat was exclusively marketed  by Palmer Johnson.  This is a fiberglass, not aluminum sailing yacht. This boat has been owned by a local sailor and his wife and they have enjoyed cruising the southern New England waters for many years.   The boat is well maintained.    It has fiberglass decks, a fin keel and a skeg for rudder support.  Mast height above the water is 54'.  Hull is dark blue.  Boat is stored outdoors with a shrink wrap for the winter. These boats were built as Standfast Yachts.  Sold in the US also as Palmer Johnson 36's.        I - 48.9' (14.9m)    J - 15.4' (4.69m)    P - 43'  (13.11m)    E - 12'  (3.66m)            Sail Area/Disp:  15.30    Bal./Disp:  40.69%     Disp/Len.:  314.84 The Standfast 36 is a strong, offshore capable boat that was designed ahead of its time.   Still carrying more modern, graceful lines with a reverse transom.  Boat has a comfortable interior, newer, easily accessed Yanmar 27Hp diesel, sheltered cockpit, full galley, dinghy, outboard, liferaft and plenty of extra gear.     This blue-water capable boat is ready for another season, as soon as spring breaks.

1979 Endeavour 32' Sloop

1979 Endeavour 32' Sloop

Kemah, Texas

Make Endeavour

Model 32' Sloop

1979 Endeavour 32' Sloop PRICE REDUCED $7,000! SELLER SAYS SELL NOW! The Endeavor 32 is known for her comfort and versatility and configured with a fixed shoal keel and 4'2" draft, extensive interior storage and access, fully equipped galley, integral companion way stairs, and a teak cabin sole. The hull is molded as a single unit of a combination of polyester resin and fiberglass woven roving and multidirectional chopped strand fiber (MCSF). The keel is molded integrally with the hull and all ballast is contained inside. The deck and cockpit, like the hull, are molded as a single unit of a combination of polyester resin and fiberglass woven roving and MCSF. Plywood coring is incorporated between layers of fiberglass in the cabin top, deck, seat, and cockpit sole areas to give additional stiffness.  There is an anchor well at the bow with anchor rode into the vberth locker, teak grab rails on the cabin top and a large aft cockpit with good back rests and storage lockers. The companionway goes down to seat height, about 12" above the cockpit sole, and has three drop boards. The rudder is molded as a single piece of solid high density foam with a protective skin of fiberglass and gelcoat finish. The rudder post, molded integrally with the rudder, is solid stainless steel, welded to a steel blade in the interior of the rudder. Where the rudder post passes through the hull, water tightness is ensured by means of a stuffing box. The steering system operates with stainless steel cables rotating a quadrant bolted and keyed to the rudder post. All spars (mast, boom, and spreaders) are extruded aluminum alloy, with protective coating. The main mast is stepped on deck with a supporting post immediately under the mast inside the cabin. The standing rigging is made of stainless steel wire. The forestay attaches to the stem head fitting at the bow, fabricated of welded stainless steel back plates through bolted to the hull. All other stays and shrouds are attached to chainplates at the edge of the deck and are through bolted to the hull. Additional fiberglass reinforcement is molded into the hull in all chain plate areas. All halyards are run externally to #32 Lewmar winches mounted on the mast. Sheets are led to #40 Lewmar self tailing winches in the cockpit. Sheet lead blocks clip to the toerail. The main sheet traveler is mounted on the companionway 'bridge deck'. The interior of the Endeavour 32 is a molded fiberglass unit with bulkheads and cabinetry fastened to it with screws, bolts, and adhesives. The entire unit is preassembled outside the boat and is bonded in place with woven roving and mat, that when completed, forms a single unit structure having great strength and rigidity. The interior is finished with varnished teak with soft white overheads. The

1962 Sparkman & Stephens 55

1962 Sparkman & Stephens 55

Make Sparkman & Stephens

1962 Sparkman & Stephens 55 PALMER JOHNSON 55 sailboat project 55 ft Palmer & Johnson, isanti or ashanti Sparkman & Stephens design aluminum magnesium construction no rust. strong hull. What WORKS on the boat:1) original engine and transmission both work very well.2) windlass works very well, fairly new hydraulics added.3) hull is in great condition and VERY strong. Does not need work. What NEEDS TO BE FIXED/ CHANGED1) electricity on board2) plumbing 3) needs sails4) wood floors need to be changed5) overall just cosmetic work needs to be done FINANCING AVAILABLE!!

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Welded aluminum catamaran Suzuki 150 1 yr old - $39,500 (Bellingham)

Welded aluminum catamaran Suzuki 150 1 yr old 1

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Welded aluminum catamaran Suzuki 150 1 yr old - boats - by owner -...

Custom welded aluminum cat style skiff. 1/4” bottom 3/16 sides. 2022 Suzuki DF150 outboard roughly 15 hours on new motor. 9.9 Honda kicker. 18’ plus extended transom with tons of deck room. Very...

Murmansk Sea Station

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The marine station of the Murmansk marine station, located in the city of Murmansk. The marine station has two berths, one of them is a pontoon. At the sea station there is a small embankment.The marine station of the Murmansk marine station, located in the city of Murmansk. The marine station has two berths, one of them is a pontoon. At the sea station there is a small embankment.

From the station departs the ship of the Murmansk Shipping Company «Claudia Elanskaya», which operates on the passenger sea line along the coast of the Kola Peninsula, connecting with Murmansk the remote settlements of Ostrovnoy, Chapoma, Chavanga and Sosnovka[1]. Until January 2013, boats were sent from the station to the remote microdistrict of the city — Abram-Mys.

In 2009, the nuclear-powered icebreaker Lenin was permanently parked at the Murmansk Sea station. This is the world’s first nuclear-powered icebreaker, which was launched in 1959, and then went along the routes of the Northern Sea Route. Now there are guided tours of it.

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Temperature

Precipitation, 14 day weather murmansk.

  • 14-Day Weather

This chart shows the 14 day weather trend for Murmansk (Murmansk, Russia) with daily weather symbols, minimum and maximum temperatures, precipitation amount and probability.

  • The deviance is coloured within the temperature graph. The stronger the ups and downs, the more uncertain the forecast will be. The thick line represents the most probable trend.
  • Variation in precipitation is represented as a „T“. These uncertainties usually increase with the number of forecasts days ahead.
  • The forecast is created with „ensemble“ models. Several model runs with varying start parameter are calculated to estimate the predictability of the forecast more precisely.

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COMMENTS

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