Boeing has started high-speed wind tunnel tests for the 777X in the manufacturer’s Transonic Wind Tunnel in Seattle, Wash. In December, engineers started wind tunnel tests at QinetiQ's facility in Farnborough, UK, where testing of the low-speed performance of the airplane continues. Boeing launched the 777X program at the 2013 Dubai Air Show in November. Advanced technology including a new composite wing, all-new engines and superior aerodynamics are expected to result in better ...

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