An advanced high performance waterjet propulsor was developed as part of the Marine Corps Surface Mobility technology development effort. Design optimization, performance estimating, and hydrodynamic design procedures are described for a propulsion unit required to meet specified thrust, power, and envelope characteristics. Testing of a 10-inch scale model and trials of the full scale propulsion units in both the HWSTD (High Water Speed Technology Demonstrator) and PSD (Propulsion System Demonstrator) developmental vehicles are described and performance data correlations presented.

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