| 摘要 |
The propulsion unit (1) for a nautical vehicle (2) comprises a hollow body (3) which has an open front part (4) in which a propeller (5) is rotationally mounted, and a narrowed back part (7). The back part (7) emerges downwards and interacts with a member (12) which can pivot between a position in which the flow of water produced by the propeller (5) is directed towards the back and a position in which the flow of water is directed towards the front of the vehicle. <IMAGE>
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