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Thistle Class Sailboat for Sale “LizaBeth” Fiberglass Hull, thistle, stored indoors. Very Nice Trailer and 2 year old 4 stroke 2.5 hp outboard Length Overall 17 Feet Beam 6 feet Mast Height 24’ 6” Draft board up 6 Down 4ft Hull number 1504. Boat is in good shape, recently re-done wood, 3 coats of Ceatol with all needed equipment. Nice retractable mounting bracket is included. 2 rudders included (one a “pop-up” rudder for sailing in shallow water). Trailer is large and well maintained, very good tires, spare tire, lights replaced with LEDs and trailer rewired. Main Sail in excellent shape with the thistle insignia and the boat’s hull number (1504) on it One jib in decent condition. The mast is aluminum and has all rigging (forestay, shrouds, halyards, etc). The boom is wood. There are paddles, and lifejackets, and misc gear. An anchor. There is a registration for the boat and for the trailer Thistle has an active class association in Nyack and across the US The Thistle is a high-performance one-design racing sailboat that is generally sailed with a three-person crew. Thistles have a main, jib and symmetrical spinnaker sail plan. Theyre: Consistently fast due to the high sail area to weight ratio Quick to plane thanks to the wide, flat stern Built to slice through waves with the plumb bow Its a fun, fast, responsive boat that does well in a wide variety of conditions. Thistles plane easily in 10-12 knots of breeze and glide effortlessly in light air.
Equipment: Thistle is an active class in the US. Check out the class sites online and us sailing sites. Nyack, NY is the closest active racing group to Kingston, nY This boat is for sale by Hudson River Maritime Museum in Kingston, NY. Open to viable offers!!! Boat can be seen outside our wooden boat shop- proceeds support our sailing programs Please reply with Phone number!!
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)
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