Method and mechanism for dynamic trim of a fast moving, planning or semi-planning ship hull
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United States of America Patent
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Nov 21, 2000
Grant Date -
N/A
app pub date -
Aug 17, 1999
filing date -
Dec 23, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A mechanism and method for dynamic trim of the floating position of a fast moving, planing or semi-planing ship hull is suggested, wherein a fully submerged hydro foil (1) is pivotally arranged in a stem portion of the ship and continuously adjustable relative to the angle of attack of the hydro foil for generating a wave, the wave having a length, a width and a depth related to the length, the tonnage and the cruising speed of the ship, wherein the hydro foil is designed relative to the wave so that the wave width is controlled by a span width (a), the wave length is controlled by a chord length (b), and the wave depth is controlled by a load (p) of the hydro foil.
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