Improved GEnx-1B 'Within 1%' Of 787 Fuel Burn Specs, Says GE
General Electric and Rolls-Royce are testing upgrades to their respective 787 engines, which they say are on track to get within 1% of Boeing’s original fuel burn performance specifications. Both engine makers discovered shortfalls of up to 3% and 5% with the initial GEnx-1B and Trent 1000s...
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