| 摘要 |
A jet propulsion system for a watercraft wherein the jet propulsion outer housing has the impeller shaft portion in which the impeller is journaled for rotation about an impeller shaft axis disposed at an angle to the discharge nozzle rather than concentric with it as previously utilized. This permits the appropriate trim angle for the discharge nozzle while, at the same time, permitting the engine to be mounted relatively high in the hull so as to afford adequate clearance on the underside of the engine for such things as increasing the oil capacity for four cycle wet sump engines are employed.
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