Pratt & Whitney has completed FAA FAR 25 flight testing at Boeing Co.
Pratt & Whitney has completed FAA FAR 25 flight testing at Boeing Co. on its 94-in.-fan PW4000 engine. The testing centered on a new high compressor case design that was FAA FAR 35-certified in November 2002. The design, which is aimed at eliminating compressor surge at high-power take off, is being...
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