General Electric is gearing up for test runs of the first GE9X turbofan as components of the initial engine come together at its Evendale, Ohio, facility. The engine is in development for Boeing’s 777X series and will be the largest turbofan ever produced in terms of physical dimensions. The overall fan diameter will measure 134 in.; the GE90-115B, currently the world’s biggest and most powerful engine, is 128 in. The GE9X will be equipped with only 16 fan blades, with each ...


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