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Glenn Research Center
1994 Phase II
Quasi-Constant Speed Composite Propellers
Global Aircraft Corporation
Starkville, Mississippi
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INNOVATION
Quasi-Constant Speed Composite Propeller for Improved Efficiency in General Aviation Aircraft
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QCS Composite Propeller on
General Aviation Airplane
Optional Powerpoint
file
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ACCOMPLISHMENTS
- Significantly increased performance of light airplane propellers. 10% to 12% increase in cruise speed and 20% increase in rate of climb compared to fixed-pitch propellers
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COMMERCIALIZATION
- Sales of the QCS Propeller were initiated in late 2001 to Experimental and Home-Built Airplanes. FAA certification of propellers has been initiated for certified aircraft
- Implemented joint ventures with another propeller manufacturer to develop QCS composite blades for Constant-Speed Propellers
- Private capital invested in development of QCS Composite Propeller Technology is $820K
- NASA’s Advanced General Aviation Transport Experiment (AGATE) Program provided $320K for development of QCS composite manufacturing process
- Company has 5 full time jobs associated with design and production of QCS propellers
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GOVERNMENT/SCIENCE
APPLICATIONS
- Propeller analysis and design technology developed under this SBIR has been used to analyze and/or design propellers for Unmanned Air Vehicles (UAVs) for several DOD projects
- Propeller analysis and design technology has been used for several industrial applications related to fan design for cooling towers, industrial equipment, and appliances
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