| 摘要 |
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 apparatus for generating propulsion mounted at the rear of the craft to be driven. The two apparatusses 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 the first and second propulsion apparatus. A fixed fin array is also mountede at the rear of the craft in the effluent streams of said first and second propulsion apparatus just forward of the rudder.
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