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- Sailboat Guide
Valiant Esprit 37
Valiant Esprit 37 is a 37 ′ 0 ″ / 11.3 m monohull sailboat designed by Robert Perry and built by Uniflite Inc., Nordic Yachts, and Valiant Yachts starting in 1977.
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)
From BlueWaterBoats.org :
The Valiant Esprit 37 is a boat of many names, literally. When first introduced as the “Esprit 37” by Valiant Yachts in 1977 she was built by a company called Nordic so some called her the Nordic Esprit 37. Later when Valiant changed hands to Uniflite, she was rechristened the “Valiant 37”, and over time and another change of Valiant ownership, the boat evolved into the Valiant 39 with the addition of a bowsprit that gave it two extra feet of length. Names aside, the boat draws much from its larger stablemate, the now almost legendary Valiant 40 , and certainly owners of Valiant Esprit 37s have reported brisk and nimble go-anywhere performance, a seakindly ride, and an interior that is well thought out.
In 1976, three years on from the incredibly successful launch of the Valiant 40, Valiant Yachts was on the lookout for two smaller yachts to diversify their offerings. The Valiant Esprit 37 was to be one of these boats. The company once again used the genius of Bob Perry, who drew on the same magic Valiant 40 formula and applied it to a 37ft hull; this time sporting a sleeker cabin trunk and a brighter interior.
To build the boat, Valiant opted not to go with Uniflite who at the time were producing the Valiant 40, instead Valiant chose a new company with strong ties to Uniflite; a company called Nordic Yachts. It was headed up by Steve Nordvelt who had worked in the contracts department of Uniflite and also happened to be the son of of the original founder of Uniflite.
The boat was introduced in 1977 and sold by Valiant Yachts in that time as the “Esprit 37”, however you can sometimes boats improperly marked as “Nordic Esprit” 37s in used boat listings.
Around 1980, Uniflite acquired Valiant and production of the Esprit 37 was moved to the Uniflite factory and the boat was re-dubbed the “Valiant 37”. The Valiant 37s built during the Uniflite era were hampered by the same non-osmotic blistering issues that plagued the Valiant 40s; blistering above and below the waterline, usually cosmetic in nature. The blistering was caused by the use of a fire retardant resin called Hetron interacting with the glass fiber layup.
It wasn’t until some time around 1982-84 that this problem was permanently solved by the use of isophthalic resin. By this time, Valiant was again under new ownership and production shifted from Seattle, Washington to Texas. The Valiant 37 eventually evolved into the Valiant 39, with new a deck molding; the sleek cabin trunk giving way to a boxy one better matching the Valiant 40/42 as well as a revised interior layout. Perhaps more prominently, the 39 had its rig was redesigned to include a 2ft bowsprit which gives the boat 2ft of additional LOA.
In total 50 Valiant 37s were built, as of 2000 the registrar at valiant-owners.org list five Valiant 39s.
Boat Configuration and Layout
The Valiant Esprit 37 shares similar lines with its larger Valiant 40 stablemate, the same graceful sheer and canoe stern with perhaps a more aggressive tumblehome. The overhangs are relatively small making for a decent speed endowing LWL. Below the waterline is a cruising fin keel and skeg-hung rudder. The underside of the hull is a little flatter than the Valiant 40 which contributes to the 37 being more nimble through the tacks.
On deck the cabin trunk departs from the old boxy look of the Valiant 40 in favor of a sleek raked cabin profile. The mast is relatively tall and sports a cutter rig with a high aspect mainsail on a small boom, a design heavily influenced by IOR ocean racers of the time. The shrouds come quite far aft which unfortunately inhibits the boom from swinging wide to catch downwind air effectively. All control lines are routed back to the safety and comfort of the cockpit.
Below deck, the best words that describe the layout are well thought out and functional. There is more than adequate stowage areas for extended cruising. Descending from the companionway, there is a very functional U-shaped galley to port and to starboard is a seagoing quarter berth with comfortably sized navigation station. Further forward to port is a L-shaped settee which can convert to a double berth, opposite is a single berth settee. The cabin table is large enough to seat 6 spaciously and stows away against a bulkhead which opens up the area nicely, however the keel stepped mast does intrude slightly into this area.
Between the main saloon and the V-berth is the head compartment to port, it has a separate shower stall running pressurized hot and cold water. Even here there are clever stowage areas including extra space below the shower seat under a waterproof access cover. The V-berth forms the master cabin and is relatively spacious with lots of drawers and a generously sized hanging locker.
Access to the engine under the companionway stairs is very good. The 37 comes standard with a 30hp Westerbeke diesel, while the newer 39 has a 35hp. Owner Steve Long notes the 30hp Weterbekes are only “30hp @3000RPM” in the first hour after which they are supposed to be run at a maximum of 2500 RPM delivering 25hp. Many owners have repowered with Beta 37.5 hp engines which provide a more useful amount of power.
Construction
Like all the Valiant boats, the 37 is solidly built. The hull is uses the same hand layup as the Valiant 40 with 1.5 ounce fiberglass matt between layers of 24 ounce weave. Above the waterline lining the interior of the hull, is a half-inch layer of closed cell foam which provides acoustic and thermal insulation; this thermal barrier has the advantage of reducing condensation build up on the inside of the hull.
The deck is fiberglass with balsa coring and is solidly attached to the hull with a through-bolt join. All through-deck fittings bolted onto aluminium backing plates.
Owners report that the Nordic built boats vary slightly between boat to boat, such as the location of the bulkhead in the V-berth.
Early boats used stainless wire rigging while later boats had the option for high performance rod rigging.
Like its larger Valiant 40 stablemate, the 37 is remarkably fast for a boat of its relative size. They are nicely balanced boats, quick through the tack and generally very nimble. The boat’s cockpit is remarkably dry and the boat is easy to single hand.
To weather the Valiant Esprit 37 is unusually close-winded, aided by its high aspect rig with a mainsail that produces a lot of lift. Downwind some owners report the boat being a little slow because the mainsail does not swing very wide due to the location of the shrouds. Others flying spinnakers report fantastic performance.
In addition to strong upwind performance another area of strength is in light airs. Perry himself has noted the 37 can be quicker than a Valiant 40 in light weather. One owner reported 115 mile days over a 22 day passage in mainly light 12 knot trade winds, their boat came in 7 days quicker than another 42ft medium displacement cruiser.
As conditions become heavy the hallmarks of Valiants come into play, the boat continues to maintain its composure delivering a comfortable motion for its crew.
Buyers Notes
- The Uniflite built “Valiant 37” suffers from the same non-osmotic blister problems as the Valiant 40. It is believed the hulls affected are Uniflite boats of around 1980-82. Later boats, most likely, 1982-84 onwards, switched to isophthalic resin which are immune from non-osmotic blistering. Early boats built by Nordic are also unaffected.
- Earlier boats had weak chainplates, check for leaks and signs of delamination around these areas.
- The aluminum fuel tanks have not aged well and should be checked for signs of leaking. Some boats also have aluminum water tanks, check these closely as well.
- Some boats have rod rigging, in which case it may pay to call in a rigger to inspect for stress cracks.
- Check the engine installation; some boats have substituted larger more useful engines, however on some installations the companionway has been moved forward resulting less cabin space.
As of 2010, at the time of writing, there a not many Valiant Esprit 37 / Valiant 39s on offer. Asking price for 37s range from $80k-$170k depending on year and condition and there is a 1997 Valiant 39 asking $189k.
Links, References and Further Reading
» Valiant Yachts official site, Valiant 37 information » Valiant Owners Association » Cruising World Magazine, Valiant 39 review . » Yahoo Groups, Valiant Sailboat Owners Group
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Review of Valiant 37
Basic specs..
The hull is made of fibreglass. Generally, a hull made of fibreglass requires only a minimum of maintenance during the sailing season.
The Valiant 37 is equipped with a long keel. A full keel provide a better directional stability than a similar boat with a fin keel; on the other hand, better directional stability means also that the boat is more difficult to handle in a harbour with less space.
The boat can enter most marinas as the draft is just about 1.77 - 1.87 meter (5.81 - 6.11 ft) dependent on the load. See immersion rate below.
Sailing characteristics
This section covers widely used rules of thumb to describe the sailing characteristics. Please note that even though the calculations are correct, the interpretation of the results might not be valid for extreme boats.
What is Capsize Screening Formula (CSF)?
The capsize screening value for Valiant 37 is 1.79, indicating that this boat could - if evaluated by this formula alone - be accepted to participate in ocean races.
What is Theoretical Maximum Hull Speed?
The theoretical maximal speed of a displacement boat of this length is 7.5 knots. The term "Theoretical Maximum Hull Speed" is widely used even though a boat can sail faster. The term shall be interpreted as above the theoretical speed a great additional power is necessary for a small gain in speed.
The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Valiant 37 is about 226 kg/cm, alternatively 1268 lbs/inch. Meaning: if you load 226 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1268 lbs cargo on the boat it will sink 1 inch.
Sailing statistics
This section is statistical comparison with similar boats of the same category. The basis of the following statistical computations is our unique database with more than 26,000 different boat types and 350,000 data points.
What is Motion Comfort Ratio (MCR)?
What is L/B (Length Beam Ratio)?
What is a Ballast Ratio?
What is Displacement Length Ratio?
What is SA/D (Sail Area Displacement ratio)?
Maintenance
When buying anti-fouling bottom paint, it's nice to know how much to buy. The surface of the wet bottom is about 25m 2 (269 ft 2 ). Based on this, your favourite maritime shop can tell you the quantity you need.
Are your sails worn out? You might find your next sail here: Sails for Sale
If you need to renew parts of your running rig and is not quite sure of the dimensions, you may find the estimates computed below useful.
Usage | Length | Diameter | ||
Mainsail halyard | 34.8 m | (114.3 feet) | 12 mm | (1/2 inch) |
Jib/genoa halyard | 34.8 m | (114.3 feet) | 12 mm | (1/2 inch) |
Spinnaker halyard | 34.8 m | (114.3 feet) | 12 mm | (1/2 inch) |
Jib sheet | 11.3 m | (37.0 feet) | 14 mm | (0.55 inch) |
Genoa sheet | 11.3 m | (37.0 feet) | 14 mm | (0.55 inch) |
Mainsheet | 28.2 m | (92.5 feet) | 14 mm | (0.55 inch) |
Spinnaker sheet | 24.8 m | (81.4 feet) | 14 mm | (0.55 inch) |
Cunningham | 3.8 m | (12.5 feet) | 12 mm | (1/2 inch) |
Kickingstrap | 7.6 m | (25.0 feet) | 12 mm | (1/2 inch) |
Clew-outhaul | 7.6 m | (25.0 feet) | 12 mm | (1/2 inch) |
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VALIANT ESPRIT 37
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COMMENTS
It takes into consideration "reported" sail area, displacement and length at waterline. The higher the number the faster speed prediction for the boat. A cat with a number 0.6 is likely to sail 6kts in 10kts wind, a cat with a number of 0.7 is likely to sail at 7kts in 10kts wind. KSP = (Lwl*SA÷D)^0.5*0.5
Blue Water Surf Value Rank (BWSVR) 2037. Capsize Comfort Value Rank (CCVR)
The Valiant 37 is a 37.0ft cutter designed by Robert Perry and built in fiberglass by Uniflite Inc. (USA) since 1977. 50 units have been built. The Valiant 37 is a moderate weight sailboat which is a reasonably good performer. It is stable / stiff and has an excellent righting capability if capsized. It is best suited as a bluewater cruising boat.
The Valiant Esprit 37 is a boat of many names, literally. When first introduced as the "Esprit 37" by Valiant Yachts in 1977 she was built by a company called Nordic so some called her the Nordic Esprit 37. Later when Valiant changed hands to Uniflite, she was rechristened the "Valiant 37", and over time and another change of Valiant ...
The new Valiant 37 embodies all that has made Valiant the "ultimate" in sailing yachts. It is a contemporary statement of the Valiant tradition. The 37's combination of speed and luxury has caught the attention of sailors who have ignored cruising yachts because of their lack of performance.
The 1978 Valiant Yachts Valiant 37 sailboat has a fiberglass hull and has an overall length of 37 feet (sometimes referred to as LOA). The width (or beam) of this craft is 116 inches. This boat is rigged as a Sloop. The sail area for the sailboat is 710 square feet. The displacement for the boat is approximately 18500 lbs.
The Valiant 37 is a sailboat designed by the maritime architect Robert Perry in the late seventies. ... The immersion rate for Valiant 37 is about 226 kg/cm, alternatively 1268 lbs/inch. Meaning: if you load 226 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1268 lbs cargo on the boat it will sink 1 inch. ...
VALIANT 37 Detailed Review. 1 of 1. If you are a boat enthusiast looking to get more information on specs, built, make, etc. of different boats, then here is a complete review of VALIANT 37. Built by Uniflite Inc. (USA) and designed by Robert Perry, the boat was first built in 1977. It has a hull type of Fin with rudder on skeg and LOA is 11.28.
Blue Water Surf Value Rank (BWSVR) 2034. Capsize Comfort Value Rank (CCVR)
The new Valiant 37 embodies all that has made Valiant the "ultimate" in sailing yachts. It is a contemporary statement of the Valiant tradition. The 37's combination of speed and luxury has caught the attention of sailors who have ignored cruising yachts because of their lack of performance. The 37 is oriented more toward high performance and ...
Since my original post in January my wife and I have a short list of two boats, the Pacific Seacraft 37 and the Valiant 37. My wife may have a slight leaning towards the Valiant, I prefer the PS. We would appreciate any observations relating to the two boats. Also, does anyone know how much of an issue the aluminium fuel tanks are in the PS 37 ...
The Valiant esprit 37 is a 37.0ft cutter designed by Robert Perry and built in fiberglass by Uniflite Inc. (USA) since 1978. The Valiant esprit 37 is a moderate weight sailboat which is a reasonably good performer. It is stable / stiff and has an excellent righting capability if capsized. It is best suited as a bluewater cruising boat.
The Esprit 37 is a solid, no-nonsense boat that provides good accommodation for a crew of four or five on extended voyages in any waters. Asking prices range from $50,000 to $60,000. Richard Smith and his wife, Beth, sail their Ericson Cruising 31, Kuma, in the Pacific Northwest. A true bluewater sailer, the Esprit 37 lives up to the promise ...
Valiant Esprit 37. 1,042 likes · 2 talking about this. a collection of photographs and information gathered from the internet on Valiant 37 sailboats....
Some of the best-known Valiant models currently listed include: 42, 32, 40, 42 CE/SE and 50. Various Valiant models are currently offered for sale by specialized yacht brokers, dealers and brokerages on YachtWorld, with listings ranging from 1976 year models up to 2012. Find Valiant boats for sale in your area & across the world on YachtWorld.
Rich Worstell, a Valiant owner and dealer, bought the molds from Uniflite after they went out of business in 1984. After building some boats in Washington, he moved the operation to Texas. (The first boat built in Texas was the Valiant 40, hull number 267). Valiant Yachts 500 Harbour View Rd Gordonville, TX 76245 Phone: 903-523-4899 email: [email protected]
Find more information and images about the boat and contact the seller or search more boats for sale on YachtWorld. ... This 1977 Valiant 32 is designed to take you cruising around the sound and beyond and is ready to go right now with lots of storage. ... 1989 Sailboat Hereshoff Townsend 30. US$13,000. Everett, Washington. 2007 Sea Ray 320 ...
1983 Used Diesel Valiant Valiant 37 Cutter Daysailers Sail Boat for Sale in British Columbia From Pacific Boat Brokers. Boydton, VA [Change] ... Valiant 37 Cutter. Year. 1983. Length. 37' Beam. 11' 5" Price. $39,900.00 CAD * Location. Comox, British Columbia. Distance. 2470 miles from Boydton, VA.
It takes into consideration "reported" sail area, displacement and length at waterline. The higher the number the faster speed prediction for the boat. A cat with a number 0.6 is likely to sail 6kts in 10kts wind, a cat with a number of 0.7 is likely to sail at 7kts in 10kts wind. KSP = (Lwl*SA÷D)^0.5*0.5
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The Valiant 40 Sailboat. The Valiant 40 is a high-performance cruising sailboat that was first built in 1973 by Valiant Yachts, a company based in Texas, USA. Known for its robust construction and excellent offshore capabilities, the boat was designed by Robert Perry and has been recognized as one of the most influential designs in the sailing ...
Valiant Yachts (USA) Download Boat Record: Notes. Based on the earlier VALIANT/ESPRIT 37 but with new deck, coach roof and bowsprit added. Advertised as VALIANT 39CE in 1997. Rig dimensions are from a third party source and not verified. Sailboat Forum. View All Topics:
After the success of the Valiant 40, Bob Perry was asked to build a smaller, more affordable version during the late 70's. 65 of the Valiant 32's were made, starting in 1976 with Uniflite manufacturing the boats. Like the 40, the 32 is a strong sailing, heavier-built boat to handle all sorts of conditions that the PNW will throw at you.