GE90 Turbofan

GE90 Turbofan

General Electric GE90 is a high-bypass turbofan aircraft engines built for the Boeing 777 by GE Aviation. First introduced in November 1995 on British Airways’ 777s with thrust ranging from 74,000 to 115,000 lbf (329 to 512 kN).

General Electric GE90
General Electric GE90
(gasturbine.pwp.blueyonder.co.uk)

Type : Turbofan
Manufacturer : GE Aviation
First run : 1995
Major applications : Boeing 777
Unit cost : $24 million (2009 USD)
Developed into : General Electric GEnx

GE90-115B Specifications

General characteristics

  • Type: axial flow, twin-shaft, bypass turbofan engine
  • Length: 287 in (7,290 mm)
  • Diameter: overall: 135 in (3,429 mm); fan: 128 in (3,251 mm)
  • Dry weight: 18,260 lb (8,283 kg)

Components

  • Compressor: axial: 1 wide chord swept fan, 4 low pressure stages, 9 high pressure stages
  • Turbine: axial: 6 low pressure stages, 2 high pressure stages

Performance

  • Maximum thrust: max at sea level: 115,540 lbf (514 kN) ; world record set at 127,900 lbf (568,9 kN) 827 feet above sea level
  • Overall pressure ratio: 42:1
  • Thrust-to-weight ratio: approx. 6.3:1

General Electric GE90 Photos

General Electric GE90
(turbokart.com)

General Electric GE90
(airlines.net)

General Electric GE90
(flickr.com)

Source :
– GE90

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