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Pratt & Whitney Rocketdyne Awarded Contract to Perform Combined-Cycle Engine Risk Reduction

Written by thomas · Filed Under Aeronautics News 

September 28, 2009

thomas

WEST PALM BEACH, Fla., Sept. 28 /PRNewswire-FirstCall/ — Pratt & Whitney Rocketdyne has been awarded a 10-month contract by Lockheed Martin for preliminary design of the high speed accelerator for a turbine-based combined-cycle (TBCC) propulsion system, which could support flight up to Mach 6. Pratt & Whitney Rocketdyne is a unit of United Technologies Corp. (NYSE: UTX).

In Phase I of the TBCC Mode Transition Demonstrator Program, Pratt & Whitney Rocketdyne will develop preliminary designs for a dual-mode ramjet combustor with related control and fuel system components. Pratt & Whitney Rocketdyne will also define requirements for a test facility to perform TBCC propulsion system mode transition tests. The TBCC propulsion system consists of a turbojet engine, which can operate from take-off to Mach 3, and a ramjet engine, which can operate from Mach 2.5 to Mach 6.

“This contract builds on the success of our Falcon Combined-Cycle Engine Technology ground tests as we continue to mature hardware for a dual-mode ramjet propulsion system,” said Cal DeFreese, program manager, Mode Transition Demonstrator Program, Pratt & Whitney Rocketdyne. “The Mode Transition Demonstrator Program will provide valuable risk reduction for future flight test program opportunities.”

Applications for the TBCC propulsion system could include reusable hypersonic cruise vehicles for strike and reconnaissance missions.

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