The hull speed of a sailboat is the maximum theoretical speed possible in any wi
ID: 1485298 • Letter: T
Question
The hull speed of a sailboat is the maximum theoretical speed possible in any wind and wave condition. This maximum speed is due to the combined effects of propulsive lift generated by the sails and the hydrodynamic and aerodynamic drag from the under-water and above-water parts of the boat respectively. A typical 30-foot sailboat has a hull speed of about 7 knots or approximately 3.5 m/s. What would be the sum of the hydrodynamic and aerodynamic drag forces if the lift provided by the sails is equivalent to a 27 Hp engine.Explanation / Answer
the power = Fnet*V
P = 27 Hp = 27*746 = 20142 W
20142 = F*3.5
F = 5754.8 N <<<<<<<---------------answer
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