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Go to Sailing Texas classifieds for current sailboats for sale Sea Pearl 21, 1992 sailboat for sale Hull # 365, Located Mid-Coast Connecticut $6,800 o/b/o
Length 21’ 0”; Beam 5’ 6” ; Draft (boards up) 6”; Draft (boards down) 2’ 6” Weight Approximately 600 lbs; total towing weight w/ trailer under 1000 lb. Double ended, Cat Ketch rig with unstayed masts. Sails furl/reef easily by being rolled around the masts. Boat, sails and equipment in very good to excellent condition. Sails essentially nearly new with UV protection strips at leach and foot. Masts and booms excellent; running rigging all renewed. Mizzen sheet reversed and run to a new Harken 40mm Carbo Lead Block and jamb on forward end of mizzen boom, for much easier sheeting. Leeboards and kickup rudder; New lee board lifting lines. Leeboards and their hinges/bolts excellent. New adjustable and removable Forespar tiller hiking stick; Tiller Tamer; tiller cover . No flaws or blisters in the hull. All teak, rails, etc. in great condition, unfinished with no oil or varnish, but no flaws. No flaws or damage on deck; teak and holly floorboards in great condition. No leaks in ballast tanks; no leaks at drain plugs; no leaks between liner and hull. Bruce anchor mounted in bow chock with 12’ chain and approximately 150’ of rode. Plastimo compass/hand bearing compass which fits into bracket in aft cockpit. Forward cockpit tonneau also in great condition; Forward cockpit cuddy tent and frame in excellent condition, clear eisenglass windows and perfect screens; Rowing thwart; 10’ Lahana (Finish)oars, varnished, with round ring type bronze locks Original Hutchins tilt trailer in excellent condition with new hubs and bearings; New Bearing Buddies; new rollers , roller axels and brackets; New sealed LED lights; three new tires (including spare mounted on winch post with lock); new winch strap and hook; tongue jack; 1 7/8” hitch; safety chains. Under 200 miles since rebuild, smooth and steady on the highway.
Boat and trailer currently registered and documentation complete including original manufacturer certificates of origin and original owner’s manual for boat.
SOLD
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
A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.
Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL
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
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
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
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 Beam1.33)
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)
Based on the Herreshoff ‘Carpenter’ class.
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