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PERFORMANCE TRIAL OF A MANNED WATERJET
TESTCRAFT.
| 题名： | PERFORMANCE TRIAL OF A MANNED WATERJET TESTCRAFT. |
| 作者： | E. Numata |
| 关键词： | Waterjet |
| 摘要： | A 14.5-ft manned testcraft was tested in a freshwater lake to evaluate the propulsive performance of its 14-inch diameter watejet. Propulsion shaft thrust, torque and revolutions, watejet velocity, testcraft speed and running trim were recorded over a range of shaft speeds up to full throttle of the 350 hp gasoline engine. Zero craft speed "bollard” runs were included. Test results validate design assumptions of impeller advance ratio and pump efficiency. |
| 报告类型： | 科技报告 |
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