Sailboard and the like

Ships – Watercraft with means used in providing sailpower – Having specifically defined hull shape

Patent

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Details

441 74, B63B 3579

Patent

active

054253217

ABSTRACT:
A sailboard for sailing in water includes an elongated hull defining fore and aft and having a top and a bottom, and a panel integrally connected to the bottom of the hull near the aft end and extending beyond the aft end. The panel is relatively rigid at its distal end. An apparatus is connected to both the hull and the panel, and is operable for moving the distal end of the panel from a first position to a second position. The hull and the panel defining a relatively continuous flat surface for the first position and defining a relatively convex surface for the second position.

REFERENCES:
patent: 3902207 (1975-09-01), Tinkler et al.
patent: 3988794 (1976-11-01), Tinkler et al.
patent: 4649847 (1987-03-01), Tinkler et al.

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