| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an outboard propulsion device capable of attaining enhancement of rigidity of a lift generation plate comprising a plate-like member lengthy at left and right sides and attaining certainty and enhancement of lift generation function (enhancement of anti-drag force property underwater). <P>SOLUTION: In the outboard propulsion device 1 mounted to a rear end of a hull, the lift generation plate 20 having a front edge positioned at a rear side than a rear edge 4b of a lower unit 4 of the outboard propulsion device 1 is arranged behind the lower unit 4 and above an anti-cavitation plate 11 provided on the lower unit 4, and wing end plates 22 are provided at both left and right ends of the lift generation plate 20 in a vertical direction. <P>COPYRIGHT: (C)2008,JPO&INPIT |
