CFM International is poised to start endurance runs of its composite fan blade for the next-generation Leap-X engine as China’s Comac announces the first letters of intent for the turbofan’s launch application, the C919. The Leap-X1C version for the C919 is the first of a series of new centerline engines in development for short- to medium-range applications including the re-engined Airbus A320 NEO (new engine option) and Boeing 737RS. Although exact development timescales are yet to be ...


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