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A PAIR OF P&W TURBOPUMPS SUCCESSFULLY TESTED AT 100 PERCENT POWER

 A PAIR OF P&W TURBOPUMPS SUCCESSFULLY TESTED AT 100 PERCENT POWER
 WEST PALM BEACH, Fla., Jan. 23 /PRNewswire/ -- A pair of Pratt & Whitney designed high-pressure turbopumps has been successfully tested at 100 percent rated power on a Space Shuttle Main Engine (SSME) at NASA's John C. Stennis Space Center in Mississippi.
 During the 222-second test, conducted Jan. 8, the turbopumps ran at 65 percent power for 185 seconds, then ramped to 100 percent power for two seconds. The turbopumps are expected to demonstrate longer duration full power operation on subsequent engine test firings. The pumps deliver liquid hydrogen and liquid oxygen propellants to the main combustion chambers of the Space Shuttle's three main engines.
 "We are very pleased with this test of our turbopumps," said J.P. Mitchell, P&W's SSME Alternate Turbopump Development project manager. "The fuel turbopump has made significant progress, achieving 109 percent power in previous tests. We are working very hard to achieve similar success and to initiate certification efforts on the oxidizer turbopump this year."
 The NASA-sponsored program called for the development and flight qualification of a set of turbopumps that would be interchangeable with current turbopumps. Budget cuts recently forced NASA to defer the fuel turbopump portion of the program for two years, while concentrating on the oxidizer development and certification.
 In the program's production phase, the turbopumps will be procured by Rocketdyne from Pratt & Whitney, with delivery between 1994 and 1998. The P&W oxidizer turbopump is planned to be used on Space Shuttle engines beginning in 1994.
 Pratt & Whitney's Government Engines & Space Propulsion (GESP) facility, headquartered near West Palm Beach, Fla., designs, develops and supports military jet engines, and provides a wide variety of propulsion systems and launch services for the U.S. space program. Other GESP units are Chemical Systems Division, San Jose, Calif., and USBI, with facilities in Florida, Alabama and Louisiana. Pratt & Whitney is a unit of United Technologies Corporation (NYSE: UTX), Hartford, Conn.
 -0- 1/23/92
 /CONTACT: Patrick Louden of Pratt & Whitney, 407-796-6793/
 (UTX) CO: Pratt & Whitney ST: Florida IN: ARO SU:


SS-AW -- FL003 -- 2770 01/23/92 11:45 EST
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Publication:PR Newswire
Date:Jan 23, 1992
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