Hydrofoil propeller guard

Details Hydrofoil propeller guard Hydrofoil propeller guard

1998-07-06

1999-11-02

Swinehart, Ed

Marine propulsion

Screw propeller

Propeller guard

114274, B63H 118

Patent

active

059759690

ABSTRACT:
A hydrofoil propeller guard, including a thrust tube, a hydrofoil fin and bottom securing plate, is used in conjunction with an outboard motor mounted on a boat and with stern drives, to encompass the propeller to reduce sideways thrust, to move items away from the propeller, and the guard preferably includes a trolling plate to increase slow speed performance.

REFERENCES:
patent: 2551371 (1951-05-01), Grigg
patent: 2963000 (1960-12-01), Fester
patent: 2983246 (1961-05-01), Manley
patent: 5127353 (1992-07-01), Wieser

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