Swinging and propelling ship

Details Swinging and propelling ship Swinging and propelling ship

1989-02-02

1990-06-26

Basinger, Sherman D.

Marine propulsion

Oscillating propelling means

440 21, B63H 1608

Patent

active

049368028

ABSTRACT:
The present invention relates to a propulsion device for a boat. A manually powered ship wherein a wing-like fin whose front edge is round and rear edge is sharp is mounted on a shaft provided in a direction parallel to the longitudinal axis of a ship so that the fin is positioned in water below a hull, and the shaft is rotated reciprocally by human power to thereby swing the fin to obtain a propelling force.

REFERENCES:
patent: 2241305 (1941-05-01), Hill, Jr.
patent: 2367765 (1945-01-01), Fickler
patent: 3110283 (1963-11-01), Warner
patent: 3640240 (1972-02-01), Stein
patent: 3972300 (1976-08-01), Adamski
patent: 4371347 (1983-02-01), Jakobsen

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