Advanced marine vehicles for operation at high speed in or above rough water
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United States of America Patent
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-
Nov 28, 1995
Issued Date -
N/A
app pub date -
May 19, 1993
filing date -
Dec 20, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hydrofoil craft has a hull supported above a water surface by a foil connected to the hull by means of a support arm. In accordance with one form of the invention, the support arm enables the foil to move up and down with respect to the hull in concert with upgusts and downgusts of water surrounding the foil so as to maintain the hull at an approximately constant elevation. In accordance with another form of the invention, the support arm is supported by the hull for pivoting about a longitudinal axis extending in substantially the fore and aft direction of the hull. When rolling forces act on the foil, the support arm can pivot about the axis from a vertical position in response to the rolling forces while enabling the hull to remain substantially level.
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