Marine propulsion – Screw propeller – Combined with rudder
Patent
1979-07-27
1981-09-22
Blix, Trygve M.
Marine propulsion
Screw propeller
Combined with rudder
440 53, 440900, 440 76, 114162, 114 39, B63H 2506
Patent
active
042907608
ABSTRACT:
The invention relates to the provision of an easily operated maneuvering device for sailing boats, which gives the boat in question a maximum of maneuverability also at low travelling speeds and without causing any flow resistance worth mentioning in connection with higher speeds. The device essentially comprises a rudder positioned in the stern of the boat and exhibiting a propulsion apparatus, the power direction of which coincides with the vertical symmetrical plane of the rudder.
REFERENCES:
patent: 600874 (1898-03-01), Jones
patent: 2316022 (1943-04-01), Rippingille
patent: 3107644 (1963-10-01), Munson
patent: 3139062 (1964-06-01), Seefe
patent: 3715171 (1973-02-01), Settner
patent: 4089289 (1978-05-01), Kauder
Blix Trygve M.
Keen D. W.
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