Articulated hydrofoil oar

Details Articulated hydrofoil oar Articulated hydrofoil oar

1989-06-19

1990-07-24

Peters, Jr., Joseph F.

Marine propulsion

Oar or paddle

416 74, 440102, B63B 1604

Patent

active

049432508

ABSTRACT:
An oar and oarlock arrangement comprising, in combination: a handle loom and a structurally separate blade loom having a hydrofoil blade mounted to its outermost end, the handle loom and blade loom being hinged for sweep action about a rockable oarlock. The handle and blade looms are interconnected by a motion reversing linkage such as a pair of gears, for example. A feathering linkage is provided between the main frame of the oarlock and the hydrofoil blade for changing the angle of attack of the blade in the water.

REFERENCES:
patent: 535584 (1895-03-01), Harbers
patent: 1540695 (1925-06-01), Howard
patent: 2213538 (1940-09-01), Whitehead
patent: 2466351 (1949-04-01), Ankarlo
patent: 2557972 (1951-06-01), Jewett
patent: 2565714 (1951-08-01), Anderson
patent: 4622017 (1986-11-01), McGraw
patent: 4738643 (1988-04-01), Noggle

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