How to calculate hull speed of a sailboat


Sailboat Rigging: Part 2 - Standing Rigging

Sailboat Rigging: Part 2 - Standing Rigging

1995 Awesome Boats - New Zealand Custom Power Catamaran MY

1995 Awesome Boats - New Zealand Custom Power Catamaran MY

Sailboat Rigging: Part 2 - Standing Rigging

Sailboat Rigging: Part 2 - Standing Rigging

1981 Hunter 27 Sail Boat For Sale - www.yachtworld.com

1981 Hunter 27 Sail Boat For Sale - www.yachtworld.com

Here is a picture model How to calculate hull speed of a sailboat

Hull speed calculator boat displacement speed calculation, Hull speed. calculate the hull speed, if the boat's waterline length is 12 feet. h = 1.34 * √(12) = 1.34 * 3.46 h = 4.64 hence the hull speed is 4.64 knots.. Hull speed calculation and chart - ron rantilla rowing, Theoretical displacement hull speed is calculated by the formula: velocity in knots = 1.35 x the square root of the waterline length in feet. example: the odyssey 18 rowboat has an overall length of 18' and a waterline length of 17'-7". on the chart 17'-7" is about half way between 17 and 18 feet, so hull speed is 6.5 mph.. Hull speed - wikipedia, Empirical calculation and speed/length ratio. hull speed can be calculated by the following formula: ≈ × where is the length of the waterline in feet, and is the hull speed of the vessel in knots.
Crunching numbers: a better way to estimate hull speed, Plug 1.49 into the hull-speed formula (1.49 x √lwl) and you get a new nominal hull speed of 7.9 knots (1.49 x 5.29 = 7.88), as compared to the boat’s old nominal hull speed of 7 knots (1.34 x 5.29 = 7.08). this in itself is an appreciable difference, but it grows even larger as the boat grows lighter..
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