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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 777-8 should feature a 13,000 lb (5.9 t) higher MTOW over the 775,000 lb (352 t) of the 777-9, for an improved range from 8,690 to 9,460 nmi (16,090 to 17,520 km). [ 96 ] Due to the Boeing 737 MAX groundings and the delayed first flight of the 777-9, in 2019 Boeing pushed back design and development of the 777-8 until at least 2021, for ...
The higher thrust GE90-110B1 and -115B engines, in combination with the second-generation 777 variants -200LR and -300ER, were primary reasons for 777 sales being greater than those of the rival A330/340 series. [19] Using two engines produces a typical operating cost advantage of around 8–9% for the -300ER over the A340-600. [20]
GE Aviation, part of the General Electric conglomerate, currently has the largest share of the turbofan engine market. Some of their engine models include the CF6 (available on the Boeing 767, Boeing 747, Airbus A330 and more), GE90 (only the Boeing 777) and GEnx (developed for the Boeing 747-8 & Boeing 787 Dreamliner and proposed for the Airbus A350) engines.
The company said it conducted its first flight on Friday night after receiving Type Inspection Authorization (TIA). The development is a boost for Boeing, which has been grappling with production ...
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Permanent link; Page information; Cite this page; ... B777-9: 413 0 413 B777-8F: 59 0 59 ... List of Boeing 777 orders and deliveries;
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.