ILA 2008: Ground tests complete on GTF demonstrator
Posted by admin on May 29, 2008Pratt Whitney’s Geared Turbofan (GTF) demonstrator engine has now completed its phase two ground tests and has been cleared for flight testing on PW’s 747SP flying test-bed, the American engine maker said at the show yesterday.
The second testing phase, which began in April at PW’s advanced test facility in West Palm Beach, focused on engine performance and ground acoustics with the Geared Turbofan engine’s flight-capable nacelle system. The engine completed 120 hours of testing and has logged a total 250 hours since ground testing began in November 2007.
Bob Saia, PW’s VP, next generation product family said: “This demonstrator engine has confirmed the laboratory results of our fan drive gear system, demonstrating excellent efficiency and operational characteristics with double-digit reductions in fuel burn, engine noise, environmental emissions and operating costs.”
This latest test programme measured the ground-level noise characte
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