Watercraft propulsion system

Details Watercraft propulsion system Watercraft propulsion system

1991-11-21

1993-01-05

Sotelo, Jesus D.

Ships

Displacement-type hull

Multiple hulls

114 56, B63B 100

Patent

active

051760940

ABSTRACT:
A propulsion system capable of more efficiently accomplishing all that the prior art propulsion systems can accomplish and additionally providing for manuevers that had hereto been unavailable with purely stern-driven craft through the use of a first and second devices for generating propulsion mounted at the rear of the craft to be driven. The two devices for propulsion are arranged one over the other so that the centerlines are substantially aligned vertically. A movable rudder is mounted substantially vertically at the rear of the craft parallel to the centerline of and in the effluent streams of said first and second propulsion devices. A fixed fin array is also mounted at the rear of the craft in the effluent streams of said first and second propulsion devices just forward of the rudder.

REFERENCES:
patent: 4174671 (1979-11-01), Seidl
patent: 4348972 (1982-09-01), Parson

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