Schyper

COMPUTE THE HULL SPEED OF A BOAT

This program calculates the maximum speed of a displacement hull, also known as hull speed.

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When a boat or ship moves through the water, a wave is formed at the bow. This wave is known as bow wave. Hull speed is the speed at which the bow wave's wavelength equals the length of the boat/ship.

Waterline Length Image by Serenthia, Public Domain

Hull speed (knots) equals 1.34 times the square root of the length of waterline (LWL, originally Load Waterline Length) in feet. Expressing mathematically, hull speed = 1.32 \times \sqrt{\text{LWL}}

INPUT

  ft.

Compute the Hull Speed of the Boat
RESULT
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FUNCTIONS