Water ski for power driven water vehicle

Details Water ski for power driven water vehicle Water ski for power driven water vehicle

1977-07-05

1978-07-25

Kunin, Stephen G.

Ships

Building

Canal and ferry boats

114288, 115 70, A63C 1500

Patent

active

041019970

ABSTRACT:
A water ski particularly adapted to function as the front ski of a twin ski, jet-driven water vehicle which is steered by turning of the front ski. Sections of the water ski define a planing surface and a pair of inclined, laterally spaced side surfaces extending downwardly and laterally of the planing surface. The portions of the side surfaces lying in or cut by a horizontal plane are equidistant from each other when the planing surface is upwardly tipped at a predetermined angle. At this angle the pair of juncture lines formed between the pair of inner surfaces and the planing surface are laterally divergent in a downstream direction when viewed from above. Reduced frontal drag results.

REFERENCES:
patent: 3019755 (1962-02-01), Diamond
patent: 3077617 (1963-02-01), Steffel
patent: 3077851 (1963-02-01), Bamberger

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