Ships – Hull or hull adjunct employing fluid dynamic forces to... – Having hydrofoil
Patent
1998-04-20
2000-02-01
Sotelo, Jesus D.
Ships
Hull or hull adjunct employing fluid dynamic forces to...
Having hydrofoil
114280, 114 392, 441 79, B63B 124
Patent
active
060190590
ABSTRACT:
A sloped hydrofoil (22) is mounted to the bottom of a sailboard or surfboard vertical strut (26) using a hinge joint (24). Hinge joint (24) allows reversal of the slope of sloped hydrofoil (22) in response to a hull (30) side slip. Efficient sloped hydrofoil (22) supports a portion of craft weight to reduce hull (30) drag.
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Morwood, John "Hydrofoil Craft" AYRS#19, Amatuer Yacht Research Society, U.K., Jun. 1958, pp. 24-25.
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