| 摘要 |
<p>A propulsor (2), of the type with paddles orbiting in the direction of propulsion and continuously and independently orientable during propulsion, associated with a lifting device (5 to 8) for selectively varying the depth of immersion of the paddles (3) between a position of maximum projection and a position of maximum withdrawal with respect to the hull. In the said position of maximum withdrawal, the paddles (3) can also be completely hidden within the hull of the boat. The preferential application is for boats destined to navigate in shallow waters and/or as an auxiliary propulsor for sailing boats. <IMAGE></p> |
