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. PWR Completes Mach 5 Testing Of Hypersonic Propulsion System

PWR's Ground Demonstrator Engine No. 2 completes Mach 5 testing at Langley Research Center. Image credit: PWR/NASA Langley/Paul Bagby
by Staff Writers
Canoga Park CA (SPX) Jul 28, 2006
Pratt and Whitney Rocketdyne announced Thursday it has completed testing of its hypersonic Ground Demonstrator Engine No. 2 at NASA's Langley Research Center in Hampton, Va.

This is the first time that a closed-loop hydrocarbon-fueled scramjet propulsion system has been successfully tested at hypersonic conditions.

The PWR GDE-2 produced significant hypersonic data results during several test runs conducted at Mach 5 conditions in the eight-foot High Temperature Tunnel at Langley. The engine used standard JP-7 fuel in a closed-loop configuration to both cool the engine hardware and fuel its combustor.

"Completing the testing of GDE-2 marks a significant milestone in hypersonic technology," said Mike McKeon, manager of hypersonic programs for PWR.

"GDE-2 is a complete propulsion system that contains many of the technologies required to make real world hypersonic propulsion a reality."

Pratt and Whitney Rocketdyne teamed with the U.S. Air Force Research Laboratory and NASA to complete the testing of GDE-2.

A government/industry team that includes AFRL, the Defense Advanced Research Projects Agency, NASA, PWR and Boeing will use technology demonstrated by GDE-2 to develop the propulsion system for the X-51A flight demonstration program, which will begin flight testing in 2008.

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One GSLV Strap-On Motor Recovered From Sea
Chennai, India (PTI) Jul 28, 2006
A big exercise is under way to recover the debris of the GSLV-F02 (Geo-synchronous Satellite Launch Vehicle) from the Bay of Bengal off Sriharikota coast. Divers employed by the Department of Ocean Development (DoOD) have already recovered one of the strap-on motors of the GSLV-F02, which plunged into the sea on July 10.

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