Powerplants for the next generation of narrowbody airliners will take to the air this year, with the Pratt & Whitney PW1000G geared turbofan flying on a Boeing 747 testbed while CFM International finalizes the design of its Leap-X advanced turbofan. Pratt began ground runs of the PW1525G for the Bombardier CSeries in late 2010, with the smaller PW1217G for the Mitsubishi Regional Jet to follow early this year. Completing the trio of new-centerline engines from Pratt will be the PW1400G, ...

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