With 5,000 hr. and 13,000 cycles on PW1000G test engines, 10% them in flight, Pratt & Whitney (P&W) is dismissing claims by rival CFM that its engine can beat the geared turbofan (GTF) on fuel burn and maintenance costs. Pointing out that CFM’s Leap-1A engine for the Airbus A320NEO will not run until the fall, P&W President David Hess says “our NEO engine is flying and, in the most recent configuration, the fuel-burn numbers are half a percent better than predictions.” ...


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