Water ski with increased stability

Details Water ski with increased stability Water ski with increased stability

1978-06-08

1981-10-27

Butler, Douglas C.

Ships

Building

Canal and ferry boats

9310AA, 114 67A, A63C 500, A63C 1506

Patent

active

042965110

ABSTRACT:
An aquatic device having improved stability and maneuverability comprising a member to be moved through water and a curved plate attached to the member for forming a chamber having an inlet opening and a substantially unobstructed outlet opening and a cross section whose area continuously decreases in going from the inlet opening to a point beyond the inlet opening in the direction of the outlet opening. A water ski aquatic device embodying the invention is disclosed.

REFERENCES:
patent: 2382150 (1945-08-01), Hartman
patent: 3031697 (1962-05-01), Klein
patent: 3255472 (1966-06-01), Thorne
patent: 3284823 (1966-11-01), Steffel
patent: 3750204 (1973-08-01), Walter
patent: 3874315 (1975-04-01), Wright
patent: 4131963 (1979-01-01), Johnson

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