A propulsor is a mechanical device that gives propulsion. The word is commonly used in the marine vernacular, and implies a mechanical assembly that is more complicated than a propeller. The Kort nozzle and pump-jet are examples. An example propulsor is shown in the accompanying picture. It has a shroud which cuts down on blade-tip cavitation and ...
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(from the article `jet engine`) The gas horsepower generated by the prime mover in the form of hot, high-pressure gas is used to drive the propulsor, enabling it to generate thrust ...
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