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Catalina 470

Although it conforms to ce ratings for ocean sailing, this boat is better suited for coastal cruising in comfort and short offshore passages. it's got a great set of layout options for living aboard..

470 sailboat hull speed

We’ve been soaked to the bone while racing Catalina’s most popular model, a 27-footer on which we crewed in a San Francisco one-design fleet. We’ve raced down the Baja coast steering a squirrelly 38-footer under a masthead kite while winning class honors in the Newport-Ensenada race. Over the years, we’ve sailed and reviewed quite a few Catalinas, and have noted two central characteristics of these boats: They have a pretty good turn of speed and spacious accommodations. We’ve also noted that the company’s mass production techniques occasionally reflect a lack of attention to detail in the fit and finish of joinery.

It has also been impossible to miss the fact that Catalina owners are a ferociously loyal lot who tend to shrug off minor shortcomings by saying “Hey, it ain’t supposed to be a Rolls Royce.”

With the introduction of the Catalina 470 in 1998, the company announced an effort to upgrade the quality of the fit and finish without changing its pricing practices. It also added a legitimate performance cruiser to dealer showrooms. More than 200 of these boats have been delivered already. That’s an amazing production run for a boat of this size in an economy this wobbly. Price-wise, Catalina can keep competing when other, higher-end boatbuilders are startting to duck and cover.

Company History Frank Butler, who founded Catalina Yachts 30 years ago, has always contended that his boats provide owners with good value, and this is true. The company’s product line spans the sailing universe; it offers boats ranging in size from the Capri 22, a daysailor, to the 47-footer described here.

Catalina 470

Mindful of the occasional barb about quality control, Gerry Douglas, Catalina’s vice president, chief engineer, and Butler’s right-hand man for two decades, says, “Our owners don’t mind adding that extra layer of varnish. They’re very hands-on, and like to tinker on their boats. I like to think that we’ve given them a stable platform on which they can safely sail anywhere at an affordable price.”

While conducting an inspection and test sail of the 470, Douglas said, “We’ve gone up a notch with this boat, and introduced features that we’ll begin adding to all of our boats 38 feet and longer. There’s also a higher level of sophistication in systems, construction, and finish.

“We designed the boat to appeal to fairly experienced sailors who are comparison shoppers. For many, this will be a crossover boat—for people moving up from 40-footers, and people switching to Catalina from other brands. The typical buyers are 55 to 60 years old, perhaps semi-retired. They want performance, to cruise under sail, not power. They have a wish list with regard to accommodations. Systems are very important.”

Design/Appearance Overall, the hull is nicely proportioned, with a nearly flat sheer that runs to the down-curved stern sections. The 14-foot beam is moderate for a modern 47-footer, and runs well aft, almost to the transom area. This adds some initial stability as well as interior volume aft. The straight sheerline works well with the house, which carries long, narrow ports to produce an illusion of movement. Though she carries huge interior volume, she does not appear clunky.

According to Gerry Douglas, the hull is easily driven with the moderate sailplan, and doesn’t pound in a seaway. We weren’t able to sail her in lumpy enough conditions to confirm that, but she did behave well during our test sail.

Underbody appendages are a 7’10” fin keel or optional shoal draft keel with winglets 30 percent aft of the leading edge. Rudder and keel are elliptically shaped.

“A cockpit should be long enough to sleep in,” says Douglas. As a consequence, seats in the 470 cockpit are 6’2″ inches long, with 11″ backrests. The 39″ long cockpit table seats four, and has a built-in storage bin and molded cup holders.

Unlike any other arrangement we’ve seen, the electrical system for shore power is split between three separate connectors. According to Douglas, this is “so that owners can use smaller cords than those heavy, unwieldy brutes.”

Deck Layout The deck layout is designed for couples who prefer to sail alone without having to maintain a physical fitness routine in order to manage the 1,010 square feet of canvas she flies. Most boats are equipped with furling mainsail systems and oversized electric winches for halyards and mainsail controls. “I don’t think we can have too large a winch,” Douglas says.

Add the Dutchman sail flaking system that comes as standard equipment, and the boat could even be singlehanded in a pinch.

The layout of deck gear is typical of the today’s production boats and the fact that older sailors don’t want to work forward of the cockpit in unruly seas. Internal halyards and sail controls are led aft to Harken 44 two- speed winches and Lewmar rope clutches. Primary winches are Harken 66 two-speed self-tailers.

Catalina continues to rely on Garhauer to provide most of the boat’s blocks, as well as a stainless steel vang. The roller furler is a Schaefer 3100. Standard equipment also includes a Maxwell 1200 windlass.

In addition to contributing to the boat’s appearance, ten Lewmar ports, including two in the cockpit, allow light and fresh air to penetrate spaces belowdecks. Deck hatches are Lewmar low-profile Ocean series.

Despite the boat’s size, and potential use on blue water, the double- spreader rig is stepped on deck. To avoid damaging the deck coring, it sits atop a 1/2″ thick aluminum plate welded to the top of a 5-1/2″ inch diameter compression post. “It’s all metal to metal,” Douglas says.

It’s true that there are plenty of boats with deck-stepped masts sailing successfully offshore, including the Hallberg-Rassy 42, which we reviewed in May of this year. Every time we say we prefer keel-stepped masts for offshore work, we get angry letters—not from the boatbuilders, but from readers who have deck-stepped masts. So be it. We believe keel-stepped masts are ultimately safer, even if they’re noiser, leakier, and more obtrusive belowdecks. Offshore, if something fails, they’re less likely to topple over wholesale—the “buried root” tends to preserve them—and if they do break, they usually leave something sticking through the deck to which a jury rig can be attached. As we noted in the HR42 review, the butt of a keel-stepped mast needs to be secured to the step.

From the standpoint of comfort and safety, handrails recessed below the cabintop prevent bruised legs when the crew is seated without impairing their ability to find a handhold. Three pre-molded indexes under the boom are designed to house an eight-person life raft in a handy, out of the way location. Stanchions are 29″ high, and shroud bases are set in close to the cabintop, which allows close sheeting angles and makes travel between cockpit and foredeck easier.

On boats this size, Douglas considers redundancy in major systems a key element of the design. As a result, the two-wheel steering system is a product of a collaboration between Catalina and Edson. “The entire system is redundant,” says Douglas. ” There are no shared cables or wheels. Each steering wheel has a separate cable system, so if one is lost the other will still function.”

Catalina 470

Accommodations Though there’s nothing earthshaking about the general design of spaces belowdecks, the 14-foot beam produces 11 feet of room amidships, continuing Catalina’s tradition of maximizing living spaces.

Improvements in the quality of the interior are subtle. Multiple layers of smooth satin varnish are hand-laid on wood surfaces. The edges of cabinetry, doors and corners, where wear or abrasion may be noticeable, are made of solid teak to prevent blemishes. Lockers and cabinets are fitted with lights that automatically turn on when doors open. Since Catalina now builds cushions in-house, berths are supplied with 7″ thick residential-grade mattresses with powder-coated springs that prevent rust marks on bedding. All of the cabinetry hardware is provided by one company, so replacement of damaged equipment is a small task.

Owners can select stateroom layouts from three optional configurations. In the standard two-stateroom configuration, the forward cabin houses a Pullman berth and shower compartment in an area large enough to house a washer and dryer combination. Aft is a queen-sized bunk on an island. As an alternative, layout No. 2 splits the aft section of the boat into two cabins, each with its own head compartment. An island berth in the forward cabin is an option in this configuration. The third layout offers the option to remove cabinetry from the port stateroom to convert the space into an enclosed workshop. Nice idea!

Headroom in the saloon is 7′ 4″, and length on the centerline approximately 11′ 6″. Seven ports on each side of the hull, and 11 Halogen lights in the saloon and galley, produce a bright space, even on foggy day.

Seven companionway steps cover the engine. Since the cover is a bulky fiberglass box with an aluminum frame, the addition of a gas piston spring that holds the section upright is a helpful addition. Once that’s elevated, access to the sides and front of the Yanmar engine, fuel and water filters, is excellent.

“To prevent contamination, and monitor consumption, boats are equipped with two separate fuel systems and five water tanks,” says Douglas. “If one goes bad, no more than 20 percent of the supply will be lost. There are two independent waste systems. Tanks, hoses, and through-hulls operate independently.”

Though the boat is not intended for use in a charter fleet, tanks are thick enough to meet charter regulations. “We did that because it would be more difficult to change in the future.”

Creature comforts in the main cabin include a C-shaped settee with seating for six to eight adults around a highly polished table. Stowage below the settee is in a watertight compartment, eliminating the risk of bilge water penetrating stores.

Depending upon owner preference, seating to starboard may be on a 6′ 6″ bench with space below for 50 gallons of fuel, or on two upholstered swiveling chairs.

On a boat of this size, there should be plenty of room for the navigator, and Catalina does a good job in this regard. The 470 is equipped with a proper chart-sized table and room for electronics. Forward of the nav table there’s a slide-out table for a TV/VHS combination, radio, and Sony CD changer, all of which are standard equipment. Circuit breakers on the electrical panel are illuminated—a real plus after sunset.

It’s axiomatic that bigger boats have bigger galleys, and the 470 is no exception. Located to port, it offers a chef plenty of elbow room, counter space, and a portlight outboard that provides a view. Counters are constructed of Grancoat®, a tough fiberglass material that’s easy to maintain. A dry locker that could be converted to a refrigerator is located outboard to port, and a cabinet with glass doors is located on the aft bulkhead. The stove is a three-burner Princess with oven and a stainless steel hood fitted with halogen light. A microwave stored in a cutout will accelerate prep time of hot drinks for the midnight watch crew.

In all, living quarters are spacious and well-organized, and fit and finish are a cut above her predecessors.

Construction This Catalina is built at the company’s Florida factory. A completed boat consists of four components: the hull; a structural grid liner that absorbs and diffuses chainplate and mast loads and houses the engine bed; a liner running from bow to stern that does not provide any structural support but forms furniture, beds and cabinets; and, finally, the deck.

Catalina 470

The hull to a point 6″ above the waterline is solid fiberglass impregnated with vinylester resin in the skin coat. The lamination schedule calls for hand-laying 2-oz. chop and 8 layers of mat and roving to produce a 1″ thick bottom. Topsides are cored with Baltec AL 600 balsa. A collision bulkhead at the aft end of the anchor locker fills the area between the deck and bottom of the hull; it is glassed to the hull.

The deck is constructed of layers of chop, mat, and roving cored with 1/2″ thick balsa. Pre-tapped, 3/8″ thick aluminum plates are bedded in areas where deck hardware will be installed.

Chainplates also show a new design, not used on any other Catalina models. Says Gerry Douglas, “It’s a ball- and-socket arrangement that locates chainplates through a round hole in the deck, rather than a slot. This method spreads loads, and they are perfectly bonded so there’s no problem with leaks. They are also self-aligning.” (Leaky chainplates have been a common source of criticism for Catalina yachts.)

Despite being a relatively complicated boat, most wiring and plumbing runs are easily accessible under floorboards and seat covers, and color coded for identification. Wiring runs are in half-round PVC bonded to the hull. A 118-page owner’s manual provides schematics of all of the boat’s mechanical systems, and should help to make most things clear even to those who may be “mechanically challenged.”

Performance Invited aboard by Douglas and Seattle dealer Carl Rafello, we tested the 470 on a fall afternoon in which predicted 10-15 knot winds did not materialize. However, we did ferret out the 470’s personality in 6-8 knot winds. In that light air she performed well enough to sneak into our definition of “performance cruiser,” although that phrase is amorphous enough to include a lot of boats in different conditions.

Her rated sail area of 1,010 square feet (100% foretriangle), combined with her wing-keel configuration displacement of 26,500 lbs., gives her a SA/D ratio of 14.01—in the lower ranges of what we might hope for in the horsepower department. Change to a fin keel and she immediately drops 1,800 pounds of displacement; add the optional taller rig for sailing in predominately light winds, and SA increases to 1,092 square feet. This combination allows a SA/D of 18.9, a much more blood-stirring figure. In that configuration, the D/L drops to 160, and she actually ends up in the upper reaches of the light-displacement category.

Sailing with the standard rig and fin keel under a 135-percent genoa, we recorded 5-6 knots of boatspeed off the breeze. Upwind, when pressed, she could sail within about 40 degrees of the apparent wind without loss of speed. Our upwind and downwind boatspeeds were about the same in that breeze. The helm is light, sight lines from both wheels are excellent, and our test boat tacked easily through about 90 degrees.

The limit of positive stability (LPS) of the 470 is listed at 126 degrees, which is within the acceptable range for offshore boats, and in fact she’s rated as a Category A (“Ocean”) cruiser under CE requirements. While we don’t doubt the boat’s essential structural integrity, or that she could cross an ocean in the right hands, she’s really not set up for that. (For example, aside from the mast issue, there are no sea berths, which might be OK on a downwind sail to Hawaii, but wouldn’t be too great on a long starboard tack to Bermuda.)

Conclusion Our test provided, at best, a hint of the performance potential of this boat. Nonetheless, given proper conditions we would expect her to sail at her calculated hull speed of 8.5 knots.

A prospective buyer must carefully evaluate typical conditions in the area where the boat will be sailed, and match sail area and keel configuration accordingly. The deep-keel, tall-rig combination will certainly maximize the boat’s performance. (Those are big jumps in both SA/D and D/L numbers up there.) Given deep enough home waters, this would be the way to go. With that set-up, we could expect her to record 150-200 mile days off the wind under a cruising kite.

Well-conceived mechanical systems make the 470 easy to sail. Be aware, though, that there are of lot of these systems, from the dual steering to the rather complex lighting and entertainment wiring. The harder you sail this boat, the more scrutiny and maintenance these systems will require.

In terms of creature comfort, the boat is excellent—spacious on deck and gracious below. Her list of standard equipment is extensive; add electronics and a 150% genoa, and stores, and she’ll be ready for a coastal cruise. Add electric winches and a mainsail furling system, and the task becomes easier (although more complicated).

Following the company’s philosophy, the 470 is moderately priced at $265,510 (FOB Largo), in the ballpark with similarly sized production boats like the Beneteau 473, priced at $231,000. (Close scrutiny of the list of standard gear is necessary for a complete comparison of pricing.)

The strengths of the 470 lie exactly where Gerry Douglas placed them for his potential market: She’s set up very intelligently for coastal cruising, living aboard, and the occasional coastal hop of a few hundred miles in offshore conditions. That’s plenty to ask of a production boat of this size and price, and the 470 seems to answer those demands nicely. She also comes with a devoted support network of owners.

Contact- Catalina Yachts, 818/884-7700, www.catalinayachts.com .

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The Lagoon 470 is a 47.57ft fractional sloop designed by Van Peteghem & Lauriot Prévost and built in fiberglass by Jeanneau (FRA) between 1998 and 2005.

51 units have been built..

The Lagoon 470 is a light sailboat which is a very high performer. The fuel capacity is good. There is a good water supply range.

Lagoon 470 sailboat under sail

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Catalina 470 Tall rig

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Catalina 470's main features

Catalina 470's main dimensions, catalina 470's rig and sails, catalina 470's performances, catalina 470's auxiliary engine, catalina 470's accommodations and layout.

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  • Sailboat Guide

2000 catalina 470

  • Description

Seller's Description

2000 Catalina 470 Completely overhauled and retrofitted in 2020. New sails, bimini, sailcovers, interior & interior cushions, all new lighting, beds, new engine shaft & prop, all interior and floors stripped and revarnished, new sidelight hatches & ports, new electronics, new galley stove and new counter & sink. On th engine, new starter motor, exhaust system, engine mounts, etc.

Deep draft keel, standing height dodger and bimini with 3/4 cockpit side panels. Electric windlass and winch, new refrigeration compressor/ evaporator. Air-conditioned two-stateroom interior with queen-size island berth aft and large pullman berth forward both with private heads and stall showers.

Abundance of storage throughout with hanging lockers, drawers and well-appointed bins in every cabin.

Excellent light and ventilation.

Large dining table gloss-finished.

Boat is ready to sail. Selling with regrets due to health & need to downsize.

Equipment: Furling Mainsail: In-boom; furling headsail 135pct genoa, new radar, raymarine depth,

  • Navigation Center
  • 2 Ritchie compasses New leather coverings on helm wheels

Rig and Sails

Auxilary power, accomodations, calculations.

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.

Classic hull speed formula:

Hull Speed = 1.34 x √LWL

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio .311 Hull Speed = Max Speed/Length ratio x √LWL

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.

SA/D = SA ÷ (D ÷ 64) 2/3

  • SA : Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
  • D : Displacement in pounds.

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.

Ballast / Displacement * 100

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

  • D: Displacement of the boat in pounds.
  • LWL: Waterline length in feet

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam 1.33 )

  • D: Displacement of the boat in pounds
  • LOA: Length overall in feet
  • Beam: Width of boat at the widest point in feet

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.

CSV = Beam ÷ ³√(D / 64)

Wing keel versions draft: 5.5’/1.68m

Tall rig with mast moved aft:

I: 62.67’ / 19.10m J: 17.83’ / 5.43m P: 56.92’ / 17.35m E: 20.00’ / 6.10m

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COMMENTS

  1. 470

    A Ballast/Displacement ratio of 40 or more translates into a stiffer, more powerful boat that will be better able to stand up to the wind. Bal./Disp = ballast (lbs)/ displacement (lbs)*100 Disp./Len.: The lower a boat's Displacement/Length (LWL) ratio, the less power it takes to drive the boat to its nominal hull speed. less than 100 ...

  2. 470

    470 is a 15′ 5″ / 4.7 m monohull sailboat designed by Andre Cornu and built by Fountaine Pajot, MacKay Boats Ltd., Parker Yachts, Nautivela, and Mader Bootswerft starting in 1963. ... the less power it takes to drive the boat to its nominal hull speed or beyond. Read more. Formula. D/L = (D ÷ 2240) ÷ (0.01 x LWL)³ D: Displacement of the ...

  3. 470 Tuning Guides and Boat Preparation

    470 Tuning Guides and Boat Preparation. The 470 Internationale has close partnerships with many sailmakers around the world. Here are a few tips from those who make 470 sails and boats to help you achieve the best performance from them. ... North Sails 470 Speed Guide By Sîme Fantela. Download (1.4Mb) Mackay Boat Layout 20 Oct 2014. Mackay ...

  4. Catalina 470

    The Catalina 470 is an American sailboat, that was designed by Gerry Douglas and first built in 1998. Production. The boat was ... The boat has a hull speed of 8.68 kn (16.08 km/h). Variants Catalina 470 Main model with a draft of 7.83 ft (2.39 m). Catalina 470 SD ...

  5. Catalina 470

    The Catalina 470 is a light sailboat which is a good performer. It is reasonably stable / stiff and has a good righting capability if capsized. It is best suited as a coastal cruiser. The fuel capacity is average. There is an excellent water supply range. ... Hull speed: 8.68 knots

  6. Catalina 470

    used_sailboats; Catalina 470 ... Nonetheless, given proper conditions we would expect her to sail at her calculated hull speed of 8.5 knots. A prospective buyer must carefully evaluate typical conditions in the area where the boat will be sailed, and match sail area and keel configuration accordingly. The deep-keel, tall-rig combination will ...

  7. About the 470

    About the 470. The name is the overall length of the boat in centimeters (the boat is 4.70 metres long). The hull is made of fiberglass with integral buoyancy tanks. The 470 is an Olympic Class Dinghy recognized by World Sailing. Sailed by both men and women, it was designed in 1963 by the Frenchman André Cornu as a modern fibreglass planing ...

  8. 470 (dinghy)

    The 470 (Four-Seventy) is a double-handed monohull planing dinghy with a centreboard, Bermuda rig, and centre sheeting.Equipped with a spinnaker, trapeze and a large sail-area-to-weight ratio, it is designed to plane easily, and good teamwork is necessary to sail it well. The name comes from the boat's length of 470 centimetres (4.7 m; 15 ft 5 in). ...

  9. Catalina 470 Wing keel

    The Catalina 470 is as well listed, on Boat-Specs.com, in Fin keel and Tall rig version (see all the versions compared). Catalina 470's main features. Model. Catalina 470. Version. Wing keel. Hull type. ... The hull speed is obtained by multiplying the square root of the waterline length (in feet) by 1.34. 8.68 knots. Catalina 470's auxiliary ...

  10. Catalina 470

    Catalina 470 is a 47′ 8″ / 14.5 m monohull sailboat designed by Gerry Douglas and built by Catalina Yachts starting in 1998. ... the less power it takes to drive the boat to its nominal hull speed or beyond. Read more. Formula. D/L = (D ÷ 2240) ÷ (0.01 x LWL)³ D: Displacement of the boat in pounds. LWL: Waterline length in feet; 162.75 ...

  11. PDF 470 tuning guide e01

    In light conditions, you can use the puller to induce pre-bend to keep the ideal camber. Measurement:Set the Rig Tension as Sailing Condition and release the Puller,then measure the distance of (D). length. Mast type. Length. SUPER SPAR M7 SUPER SPAR M7+. 470~490mm 460~480mm.

  12. PDF Numerical Simulation of Mutual Influence in 470 Sailing Hull and Rudder

    The wake profile of 470 Sailing: (a) naked hull and (b) hull-rudder assembly. As shown in Figure 5, when the inflow velocity is less than 6 m/s the resistance of the hull is

  13. Southerly 470 (Discovery Yachts Group)

    The Southerly 470 is a 47'4" (14.43m) cruising sailboat designed by Stephen Jones Yacht Design (United ... Detailed sailboat specifications and datasheets since 2015 ... The hull speed is obtained by multiplying the square root of the waterline length (in feet) by 1.34. 8.77 knots. Southerly 470's auxiliary engine.

  14. Hanse 470

    Hanse 470 is a 46′ 11″ / 14.3 m monohull sailboat designed by Judel/Vrolijk & Co. and built by Hanse Yachts starting in 2005. ... the less power it takes to drive the boat to its nominal hull speed or beyond. Read more. Formula. D/L = (D ÷ 2240) ÷ (0.01 x LWL)³ D: Displacement of the boat in pounds. LWL: Waterline length in feet; 169.97 ...

  15. Lagoon 470

    The Lagoon 470 is a light sailboat which is a very high performer. The fuel capacity is good. There is a good water supply range. Lagoon 470 for sale elsewhere on the web: Main features. Model: Lagoon 470 Length: 47.57 ft ... Hull speed: 8.98 knots

  16. Catalina 470 Tall rig

    The Catalina 470 is as well listed, on Boat-Specs.com, in Fin keel and Wing keel version (see all the versions compared). Catalina 470's main features. Model. Catalina 470. Version. Tall rig. Hull type. ... The hull speed is obtained by multiplying the square root of the waterline length (in feet) by 1.34. 8.68 knots. Catalina 470's auxiliary ...

  17. PASSPORT 470 AC

    Hull Speed: The maximum speed of a displacement hull (referring to a hull that travels through the water rather than on top of it, e.g. planing). HS = 1.34 x √LWL (in feet) Pounds per Inch Immersion: The weight required to sink the yacht one inch. Calculated by multiplying the LWL area by 5.333 for sea water or 5.2 for fresh water.

  18. Passport 470 AC

    Passport 470 AC is a 47′ 0″ / 14.3 m monohull sailboat designed by Robert Perry and built by Passport Yachts starting in 1997. ... the less power it takes to drive the boat to its nominal hull speed or beyond. Read more. Formula. D/L = (D ÷ 2240) ÷ (0.01 x LWL)³ D: Displacement of the boat in pounds. LWL: Waterline length in feet; 229.06 ...

  19. 1973 Vanguard 470 racing sailboat

    470 Sailboat #593 manufactured by Vanguard in 1972 Registered to and exclusively owned by Walter C. Mintkeski since 1973: Oregon Certificate OR143FW. ... Hull Speed. The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach ...

  20. 2000 catalina 470

    The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more. Formula. D/L = (D ÷ 2240) ÷ (0.01 x LWL)³ D: Displacement of the boat in pounds. LWL: Waterline length in feet; 162.75 <100: ultralight. ... 1999 Catalina 470 Jacksonville, FL, US $179,500. USD. Great choice! Your favorites ...