Testing Begins on World’s Largest Commercial Jet Engine

GE Aviation has announced that ground testing is underway on the first full GE9X development engine, the world’s largest commercial aircraft engine.

The ground testing taking place at GE Aviation’s Peebles testing operation will generate data on the full engine system and aerodynamic performance, mechanical verification, and aero thermal system validation.

With almost 700 GE9X engines on order, the GE9X engine will be in the 100,000 pound thrust class and will have the largest front fan at 134 inches in diameter with a composite fan case and 16 fourth generation carbon fibre composite fan blades. Other key features include; a next-generation 27:1 pressure-ratio 11-stage high-pressure compressor; a third-generation TAPS III combustor for high-efficiency and low emissions; and CMC material in the combustor and turbine.

Next year will be a busy year for the GE9X program with the start of certification testing and flight testing on GE Aviation’s flying test bed. Engine certification is anticipated in 2018.

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