Marine propulsion – Screw propeller – Combined with rudder
Patent
1981-01-12
1982-01-12
Blix, Trygve M.
Marine propulsion
Screw propeller
Combined with rudder
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
Avila Stephen P.
Blix Trygve M.
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