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The fan is housed in 134 in (340 cm) diameter case. [26] The GE9X has 16 blades, whereas the similarly sized GE90 has 22 and the smaller GEnx has 18. Having fewer fan blades reduces the engine weight, improves aerodynamic efficiency, and allows the low pressure (LP) fan and booster to spin faster to better match its speed with the LP turbine.
The fan diameter of the original series being 123 in (310 cm), and the largest variant GE90-115B has a fan diameter of 128 in (330 cm). As a result, the GE90 engine can only be air-freighted using an outsize cargo aircraft such as the Antonov An-124 , which restricts shipping options if, due to an emergency diversion, a 777 were stranded ...
In March 2013, Boeing selected the GE9X with a 132 in (335 cm) fan. [6] It is the largest fan made by GE. [ 7 ] In the rest of 2013, thrust was bumped to 102,000 and 105,000 lbf (450 and 470 kN) to support the MTOW growing from 769,413 to 775,000 lb (349,000 to 351,534 kg) and increasing the payload-range , with a possible 108,000 lbf (480 kN ...
Fan blades and outlet guide vanes of GEnx-2B Detail of GEnx core The GEnx is derived from the GE90 with a fan diameter of 111.1 in (282 cm) for the 787 and 104.7 in (266 cm) for the 747-8. To reduce weight, it features 18 composite fan blades, a composite fan case and titanium aluminide stage 6 and 7 low-pressure turbine blades.
The GE Passport is a high bypass ratio turbofan. The engine is a twin-spool, axial-flow turbofan with a high bypass ratio of 5.6:1 and an overall pressure ratio of 45:1. The front fan is attached to the three-stage low-pressure compressor; the 23:1 pressure ratio 10-stage high-pressure compressor includes five blisk stages for weight reduction.
Fan; Low-pressure compressor; ... At the smaller thrust sizes, ... GE90, GE9X and GEnx plus Pratt & Whitney JT9D and PW4000) use booster stages. The Rolls-Royce BR715 ...
General Electric Company, doing business as GE Aerospace, [5] is an American aircraft engine supplier that is headquartered in Evendale, Ohio, outside Cincinnati.It is the legal successor to the original General Electric Company founded in 1892, which split into three separate companies between November 2021 and April 2024, adopting the trade name GE Aerospace after divesting its healthcare ...
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