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Reduced Cavitation, High Efficiency Outboard Propulsors for Small Planing Craft

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N68335-17-C-0354
Agency Tracking Number: N17A-019-0112
Amount: $222,507.00
Phase: Phase I
Program: STTR
Solicitation Topic Code: N17A-T019
Solicitation Number: 2017.0
Solicitation Year: 2017
Award Year: 2017
Award Start Date (Proposal Award Date): 2017-06-09
Award End Date (Contract End Date): 2018-10-19
Small Business Information
6107 W. Airport Blvd
Greenfield, IN 46140
United States
DUNS: 084066641
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Emanuel Papapndreas
 Vice President, Engineering
 (317) 336-4477
Business Contact
 Hernando Munevar
Phone: (317) 336-4478
Research Institution
 University of Iowa
 Juan Ezequiel Martin
223-3 C. Maxwell Stanley Hydra Univeristy of Iowa
Iowa City, IA 52242
United States

 (319) 335-6022
 Nonprofit College or University

Candent Technologies is proposing a new axial flow waterjet propulsion system designed as a bolt on assembly that replaces the lower unit of the CRRC (Zodiac) existing outboard motor. This new replacement lower unit contains 90 degree gearing, engine cooling water pumping capability, and the complete new waterjet assembly. The latter is based on the high efficiency, low noise, low vibration waterjet designed by Rolls-Royce for Candents propulsion system on the Navys Modular Unmanned Surface Craft Littoral (MUSCL) USV, which is currently under development testing by Candent for NSWC-CCD/LCS PMS 406 (SBIR N121-054 Phase II). This waterjet technology is a scaled down version of the propulsors designed and produced by Rolls-Royce Marine for the Littoral Combat ship (LCS). Candent is teamed with HS Marine Propulsion, and their lead engineer, John Eckart, formerly of Rolls-Royce, who designed the impeller for the AxMk1 LCS waterjet. The University of Iowa is the academic partner in the program, who will use state of the art CFD codes to perform hydrodynamic analysis on the inlet, and investigate the effects of the hull wake, as well as conduct analysis to address potential ventilation and cavitation on the system.

* Information listed above is at the time of submission. *

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