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In February 2012, GE announced studies on a more efficient derivative of the GE90, calling it the GE9X, to power both the -8 and -9 variants of the new Boeing 777X.It was to feature the same 128 in (325 cm) fan diameter as the GE90-115B with thrust decreased by 15,800 lbf (70 kN) to a new rating of 99,500 lbf (443 kN) per engine. [1]
The Boeing 777X is the latest series of the long-range, wide-body, twin-engine jetliners in the Boeing 777 family from Boeing Commercial Airplanes. The changes for 777X include General Electric GE9X engines, composite wings with folding wingtips , greater cabin width and seating capacity, and technologies from the Boeing 787 .
For Boeing's second-generation 777 long-range versions (777-200LR, 777-300ER, and 777F), greater thrust was needed to meet the aircraft requirements. General Electric and Pratt & Whitney insisted on a winner-take-all contract due to the $500 million investment in engine modifications needed to meet the requirements, with GE receiving sole ...
The never-before-seen technology has several advantages, but the idea stemmed from airport-gate space limitations and the 777X's huge wingspan. The folding wing tips on Boeing's massive new 777X ...
In tandem with the development of the third generation Boeing 777X, Boeing worked with General Electric to offer a 2% improvement in fuel efficiency to in-production 777-300ER aircraft. General Electric improved the fan module and the high-pressure compressor stage-1 blisk in the GE-90-115 turbofan, as well as reduced clearances between the ...
The 777X, billed by Boeing as the “world’s largest and most efficient twin-engine jet,” was supposed to enter service in 2020. It had expected to have delivered several hundred of the planes ...
The 280 cm (110 in) fan has 26 wide chord titanium fan blades. [10]The Trent 800 is an axial flow, high bypass turbofan with three coaxial shafts. The fan is driven by a 5-stage axial LP turbine (3300 rpm), the 8-stage IP compressor (7000 rpm) and the 6-stage HP compressor (10611 rpm) are each powered by a single stage turbine.
Delayed giant. The long-awaited 777X, the world’s largest twin-engine jet, is expected to enter service in 2025, so this concept exists purely on paper for now.But Lufthansa, which will be among ...