`
`GENX™
`
`high bypass
`turbofan
`engines
`
`The GEnx is the workhorse engine of the 21st century for
`medium and large-capacity, long-range aircraft, thanks
`to its tremendous improvements in efficiency and low
`cost of ownership.
`
`The GEnx is delivering up to 15 percent better specific
`fuel consumption than the engine it replaces, helping
`operators save whenever they fly. It’s designed to stay
`on wing 20 percent longer, while using 30 percent fewer
`parts, helping to keep maintenance costs in check. The
`GEnx’s emissions are up to 95 percent below current
`regulatory limits, ensuring clean compliance for years to
`come. It is the quietest, most passenger-friendly
`commercial engine GE has ever produced.
`
`All of these improvements are thanks to the incorporation
`of advanced and proven technologies from other engine
`families and on-going R&D programs. Like lightweight,
`durable composite materials and specialized coatings.
`An innovative, clean-burning combustor, a counter-
`rotating architecture. And a fan module that’s virtually
`maintenance-free.
`
`Designed around our customers’ needs, the GEnx
`represents a giant leap forward in propulsion technology.
`
`GE-1029.001
`
`
`
`GENX™ high bypass turbofan engine
`
`Applications
`
`Boeing 787©, -8, -9, -10
`
`Boeing 747-8I, Freighter
`
`
`GENX General
`Characteristics
`Takeoff thrust
`69,800
`
`-1B70
`(B787-8)
`
`Bypass ratio (takeoff / top-of-climb)
`
`9.3 / 8.8
`
`-1B74/75
`(B787-9)
`
`-1B76
`(B787-10)
`
`74,100
`
`9.1 / 8.6
`
`76,100
`
`9.1 / 7.9
`
`-2B67
`(B747-8)
`
`66,500
`
`8.0/7.4
`
`43.8 / 53.3
`
`46.3 / 55.4
`
`47.4 / 58.1
`
`44.7/52.4
`
`2297
`
`104.7”
`
`169.7
`
`1/3/10
`
`2/6
`
`Overall pressure ratio (takeoff / top-of-
`climb)
`
`Air Mass Flow (takeoff, lbs-mass/sec)
`
`Fan Diameter (in)
`
`Base Engine Length (in)*
`
`2559
`
`111.1"
`
`184.7
`
`2624
`
`111.1"
`
`184.7
`
`2658
`
`111.1"
`
`184.7
`
`Compressor Stages (Fan/Booster/HPC)
`
`1 / 4 / 10
`
`1 / 4 / 10
`
`1 / 4 / 10
`
`Turbine Stages (HP/LP)
`
`2 / 7
`
`2 / 7
`
`2 / 7
`
`Combustor
`
`Control
`
`Bearings
`
`SAC/TAPS
`
`SAC/TAPS
`
`SAC/TAPS
`
`SAC/TAPS
`
`FADEC III
`
`FADEC III
`
`FADEC III
`
`FADEC III
`
`2B+4R
`
`2B+4R
`
`2B+4R
`
`2B+4R
`
`* Forward flange of forward fan case to the aft outer flange of the turbine rear frame
`
`GENX is a trademark of GE
`Copyright 2004 The Boeing Company
`
`GE Aviation
`One Neumann Way
`Cincinnati, Ohio 45215 U.S.A.
`Phone: 513-552-3272 (internationally)
`
`877-432-3272 (within U.S.)
`
`Printed in U.S.A.
`
`
`GE-1029.002
`
`
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