Steerable propeller

Marine propulsion – Screw propeller – Combined with rudder

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Details

440 53, 114166, B63H 104

Patent

active

043103197

ABSTRACT:
A propeller that can be steered to the left or the right of the center line of a boat's keel in order to increase the steerability of a boat or craft driven by a conventional straight line drive inboard mounted engine.

REFERENCES:
patent: 571127 (1896-11-01), Mosley
patent: 711884 (1902-10-01), Sjostrom
patent: 2398033 (1946-04-01), Myers
patent: 2446229 (1948-08-01), House
patent: 2800150 (1957-07-01), Farwell, Sr.
patent: 3327675 (1967-06-01), Humphreys
patent: 3339517 (1967-09-01), Bergstedt
patent: 4077352 (1978-03-01), Liaaen

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