Anti-ventilation plate

Details Anti-ventilation plate Anti-ventilation plate

1987-10-08

1988-11-01

Basinger, Sherman D.

Marine propulsion

Screw propeller

Having means to control flow around propeller

114145A, 114286, 440 78, B63H 118

Patent

active

047816325

ABSTRACT:
A marine drive (2) is provided with an anti-ventilation plate (22) having a forward horizontal portion (24) and an aft portion (26) extending downwardly at an angle (28) to horizontal and noncoplanar with the forward portion (24). An adjustable anti-ventilation plate (30, 58) is also provided. The preferred form of the adjustable anti-ventilation plate is particularly simple and readily added to existing structure.

REFERENCES:
patent: 2564903 (1951-08-01), Irgens
patent: 2787974 (1957-04-01), Johnson
patent: 2912955 (1959-11-01), Leipert
patent: 3628485 (1971-12-01), Gill
patent: 3980035 (1976-09-01), Johansson
patent: 4026231 (1977-05-01), Ferdoko
patent: 4295834 (1981-10-01), Buzzi et al.
patent: 4708672 (1987-11-01), Bentz et al.
Doel Fin Hydrofoil, "The Western Boatman", Jan./Feb. 1986, p. 87.
Doel Fin Hydrofoil, "The Western Boatman", May/Jun./ 1987, p. 72.

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