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Hull Designs And Uses
Boat designs encompass a vast range depending on
the specific use for which the boat is planned. Boats are basically designed in two
categories: displacement and planing.
Displacement vessels are designed to move
through the water with a minimum of propulsion. They will have a large underwater profile
and will ride comfortably although slowly. Trawlers and large sailing vessels are
displacement vessels.
Planing vessels, however, are designed to
actually rise up and ride on top of the water when power is applied.

They require considerably more horsepower to get
the boat up but they can attain much higher speeds from the reduced friction of moving on
top of the water rather than through the water.
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