| 摘要 |
In order to improve the trim of a power boat ready to accelerate toward "on plane" speed, a deflector plate is deployed by gravity from a substantially horizontal attitude toward a rearward-downward inclination, the deployed plate being located so that a predetermined portion only of the propeller backwash is intercepted. Latching mechanism locks the deflector plate at an optimum angle of deployment until the boat reaches a speed slightly in excess of "planing" speed at which juncture the deflector plate is unlocked by remote control, either automatically or manually. The device can be used either for outboard motor or stern drive propulsion units.
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