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→Maximum Hull Speed
== Maximum Hull Speed ==
Hull Speed = 1.34 * LWL^1/2
[[File:MaximumHullSpeed.jpg|thumb|left|260px|Driving perfectly at maximum hull speed]]
Maximum hull speed of a displacement boat in knots is 1.34 times the square root of the length of the hull at the water line. Maximum speed is attained when the length of the bow wave is the same as the waterline length. Maximum hull speed is really the maximum efficient hull speed. You can drive a boat faster than its hull speed but it will take increasing gobs of power to do so.
