displacement speed - Also hull speed. The theoretical speed that a boat can travel without planing, based on the shape of its hullhull. This speed is 1.34 times the length of a boat at its waterline.
Displacement Speed:
The theoretical speed that a boat can travel without planing, based on the shape of its hull This speed is 1.34 times the length of a boat at its waterline. Also known as hull speed.
 See also: Light, Displacement, Planing, Deck, High
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