Weighted daggerboard stabilizer for wind surfing apparatus

Details Weighted daggerboard stabilizer for wind surfing apparatus Weighted daggerboard stabilizer for wind surfing apparatus

1997-02-05

1998-07-28

Avila, Stephen

Ships

Watercraft with means used in providing sailpower

Having specifically defined hull shape

114132, 114141, B63B 3579

Patent

active

057849765

ABSTRACT:
A wind surfing apparatus formed with a hull supporting a mast and sail includes a removable daggerboard having a weighted mass in a lower end portion thereof to lessen the tendency of the hull to be unstable or flip during use. The weighted mass may either be integrally molded into the daggerboard lower portion such as with fiberglass materials, or may be releasably attached to the daggerboard to allow for selection of a desired amount of weight. The wind surfer apparatus further includes a ratchet mechanism for controllably selecting and maintaining a desired orientation of the daggerboard stabilizer relative to the hull during use.

REFERENCES:
patent: 602684 (1898-04-01), Henry
patent: 3381648 (1968-05-01), Vonck
patent: 3747550 (1973-07-01), Stoeberl
patent: 4331093 (1982-05-01), Moller
patent: 4508046 (1985-04-01), Coulter et al.
patent: 4667615 (1987-05-01), Marker
patent: 4715304 (1987-12-01), Steinberg
patent: 5069648 (1991-12-01), Ozeki
patent: 5129344 (1992-07-01), Ono et al.

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