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 Sea Pearl 21Sea Pearl 21 is a 20 ′ 11 ″ / 6.4 m monohull sailboat designed by L. Francis Herreshoff and built by Marine Concepts starting in 1982. 
 Rig and SailsAuxilary 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 RatioA 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
Ballast / Displacement RatioA 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 RatioA 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
Comfort RatioThis 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 )
Capsize Screening FormulaThis 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) Based on the Herreshoff ‘Carpenter’ class. Embed this page on your own website by copying and pasting this code. 
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Sea Pearl preowned sailboats for sale by owner. Sea Pearl used sailboats for sale by owner.
5'6"'. -'. Florida. $6,900. Description: So this is our 1990 Sea Pearl 21 from Tarpon Springs FL. The boat itself in 21 ft. and 5'6" wide and is in great condition. It is unique in the fact that the two masts can be easily taken up and down without much hassle. The tan center cover is included which make it a great boat for camping or day use.
Virginia. $3,800. Description: 1994 Sea Pearl 21 Cat Ketch Sailboat 21 Length. 5.5 Beam 6 Draft. Unstayed Cat-Ketch. Easy/Fast Rigging Sails Included (one for each mast) Fiberglass Monohull. Daysailer.
Go to Sailing Texas classifieds for current sailboats for sale Sea Pearl 21, 1996 sailboat for sale $6500 (with outboard) $6000 (without) 996 Sea Pearl 21 manufactured by Marine Concepts, 21 feet.. Length 21', beam 5'6", Draft 6", Lee board down 2'6". Boat weighs in at approximately 600lbs. Aft cockpit is self bailing. Has water ballast, very stable in higher winds.
Listed Jun 26. Expired. $5,000 USD. Seller's Description. 1986 Marine Concepts Sea Pearl 21 sailboat, refitted at the factory in 1996, converted to full trimaran with wing decks and battened sails. Cat ketch rig. 2 identical masts and sails. Rigged by 1 person in 45 minutes, 30 minutes with 2 people. Nothing heavier than 40 lbs.
Sea Pearl Tri, 21, 2012/17, sailboat for sale (trimaran) the last hull made? $18,250. 21 foot cat, ketch trimaran Built in 2012 and refurbished in 2017 Magic Tilt trailer 5 HP two stroke Mercury (2019 low hours) Many extras, including: custom cover bimini top custom cabin tent with screen tiller cover cushions on all seats trampolines for akas.
A boat with a BN of 1.6 or greater is a boat that will be reefed often in offshore cruising. Derek Harvey, "Multihulls for Cruising and Racing", International Marine, Camden, Maine, 1991, states that a BN of 1 is generally accepted as the dividing line between so-called slow and fast multihulls.
Go to Sailing Texas classifieds for current sailboats for sale. Sea Pearl 21, 1986. $4,500. With great reluctance I am selling my beloved Sea Pearl 21 SCOUT. This is the legendary hull that was born "Voyage Through America" and can be referenced in numerous articles and books including "Small Boats, Big Aventures."
Go to Sailing Texas classifieds for current sailboats for sale . 1982 Sea Pearl 21 completely refurbished by the original manufacturer (Marine Concepts in Tarpon Springs, FL) in 2002. The hull number is # 29, color whalebone. New Exterior paint, new interior regal coat, new epoxy bottom coat, new teak rails, new rudder, new tonneau cover, new ...
Sea Pearl 21 Trimaran, 1995, Houston, Texas, 13,800, price reduced 3/10/10 to $10,560, SOLD 6/14/10. The Sea Pearl is a popular and proven boat with the simple and versatile free-standing, full-battened, cat-ketch rig. The boat can be towed behind a small car. It is easily beachable. It can be rowed, sailed, motored.
Your search returned 4 matches of 102245 sailboats posted to date. Sort by: Length Year Price Added Sea Pearl 21
Go to Sailing Texas classifieds for current sailboats for sale Sea Pearl 21, 1989 sailboat for sale Asking $5200. It has lee boards and water ballast tanks. It's been lightly used, in freshwater, and is in very good condition. It has a new epoxy barrier coat and several coats of good quality bottom paint. It has a 1998 Johnson 4 hp Deluxe ...
Find more information and images about the boat and contact the seller or search more boats for sale on YachtWorld. ... Die preisgekrönte Pearl 82 ist wirklich bahnbrechend und das erste Schiff ... schedule a visit to see the boat, or find a good time for a sea trial. Take the next step and contact the seller. Contact the seller. New Arrival ...
Forked River, NJ 08731 | Private Seller. Find 768 Sea Ray boats for sale near you by owner, including boat prices, photos, and more. Locate Sea Ray boat dealers and find your boat at Boat Trader!
27' Beneteau First 27SE Seascape edition Oyster Bay, New York Asking $89,500
Go to Sailing Texas classifieds for current sailboats for sale . Sea Pearl 16, Motor Sailer, 1986 The Sea Pearl 16MS is a variation on the famous Sea Pearl 21 built by Marine Concepts in Tarpon Springs, Fl. Marine Concepts, look them up, has a reputation for high quality very strong hand construction.
How much do Sea Ray boats cost? Sea Ray boats for sale on Boat Trader are offered at a variety of prices, valued from $7,254 on the most reasonably-priced watercraft all the way up to $977,901 for the higher-end boats. Higher performance models now listed come rigged with motors up to 2,400 horsepower, while the more modest more functional ...
Find 52 Sea Ray boats for sale in Pennsylvania, including boat prices, photos, and more. Locate Sea Ray boat dealers in PA and find your boat at Boat Trader!
36' Islander Islander 36 Crescent Sail Yacht Club Grosse Pointe Farms, Michigan Asking $12,000
New and used Boats for sale in Moscow, Idaho on Facebook Marketplace. Find great deals and sell your items for free. ... Sea Ray Sundancer Boats. Trolling Motors. $89,900. 2015 Nautique super air nautique g21. Rathdrum, ID. $2,500. 1983 Starcraft aluminum. Clarkston, WA. $3,500 $4,000.
Listed Mar 17. Expired. $5,950 USD. Seller's Description. 21' Sea Pearl w/Trailer. In very good condition with beautiful blue hull and epoxy coated bottom. Fast shallow draft "Camp Cruiser" w/cat ketch rig. Easy to single hand for sail, motor or row. Includes an enclosure tent for forward cockpit, and forward cockpit cover.
Seller's Description. 1989 Sea Pearl 21 Sailboat Built by Marine Concepts in Tarpon Springs, Fl., the The Sea Pearl 21 is popular boat for a good reason. It is fast, agile, and can be set up and launched within 10 minutes of pulling up to the boat ramp. It is a cat ketch rig and the sails are sleeved so they just slide over the mast.
31' Mariner Ketch - Major Restoration & Repower - New Rigging & Sails Tenants Harbor Maine, Maine Asking $45,000
Sea Pearl 21 is a 20′ 11″ / 6.4 m monohull sailboat designed by L. Francis Herreshoff and built by Marine Concepts starting in 1982. ... For Sale View More . Allenspark, CO, US 1993 Sea Pearl 21 $6,800 USD. Have a sailboat to sell? ...