Sailboard fin

Details Sailboard fin Sailboard fin

1987-08-10

1989-07-25

Basinger, Sherman D.

Buoys, rafts, and aquatic devices

Water skimming or walking device

Having stabilizing surface

114129, 114140, B63B 3586

Patent

active

048509175

ABSTRACT:
A fin for a sailboard has a pair of high aspect ratio foils disposed in tandem in which the trailing edge of the forward foil is spaced apart from the leading edge of the aft foil. The fin permits high speed and rapid maneuvering without ventilation and stalling by reducing spanwise flow of water and loss of laminar flow at high angles of attack.

REFERENCES:
patent: 4044416 (1977-08-01), Brewer et al.
"Windsurf", magazine, Oct. 1986, pp. 54, 55 and 63, Fin Futures and the Forefin.
"The Story on Fins", Tom James, Wind Rider Magazine vol. 6, Issue 4, Jul., 1987, pp. 91-100.

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