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The Portsmouth Yardstick (PY) or Portsmouth handicap scheme is a term used for a number of related systems of empirical handicapping used primarily in small sailboat racing. The handicap is applied to the time taken to sail any course, and the handicaps can be used with widely differing types of sailboats. Portsmouth Numbers are updated with ...
The capsize screening formula (CSF) is a controversial method of establishing the ability of boats to resist capsizing. It is defined for sailboats as: Beam / ( (Displacement /64.2) 1/3), with Displacement measured in pounds, and Beam in feet. A lower figure supposedly indicates greater stability, however the calculation does not consider ...
Newport 30-3 TM. This model has a taller mast. It was built starting in 1984. It displaces 8,500 lb (3,856 kg) and has a draft of 4.00 ft (1.22 m) with its standard fin keel. The PHRF racing average handicap is 180 with a high of 198 and low of 174. It has a hull speed of 6.9 kn (12.78 km/h).
The sail area-displacement ratio (SA/D) is a calculation used to express how much sail a boat carries relative to its weight. [1] In the first equation, the denominator in pounds is divided by 64 to convert it to cubic feet (because 1 cubic foot of salt water weights 64 pounds). The denominator is taken to the 2/3 power to make the entire ...
In sailing, the limit of positive stability (LPS) or angle of vanishing stability (AVS) is the angle from the vertical at which a boat will no longer stay upright but will capsize, becoming inverted, or turtled. [1][2][3][4][5][6][7] For example, if a boat with an LPS of 120 degrees rolls past this point, i.e. its mast is already at an angle of ...
45 sq ft (4.2 m 2) [edit on Wikidata] The Snark is a line of lightweight sailboats, at its introduction a two-person, lateen-rigged sailboat manufactured and marketed by Meyers Boat Company of Adrian, Michigan. The Snark was conceived and marketed by Snark Products, Inc. of Fort Lee, New Jersey and was marketed with numerous slight variations ...
Catalina 30 Mark III. This model was built between 1990-2008 and was designed by Gerry Douglas. Improvements include a re-designed cockpit, an open transom with a boarding and swimming platform, an updated galley and new topside windows. It has a length overall of 29.92 ft (9.1 m), a waterline length of 25.00 ft (7.6 m), displaces 10,185 lb ...
The Snipe is an American sailing dinghy that was designed by William F. Crosby as a one design racer and first built in 1931. [1][2][3][4] The boat is a World Sailing recognized international class. [5] Sailboatdata.com summarizes the design as "one of the most popular sailing dinghies ever. (In its heyday, the largest sailboat racing class).
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