Rahul Sharma (Editor)

General Electric F118

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The General Electric F118 is a non-afterburning turbofan engine produced by GE Aviation, and is derived from the General Electric F110 afterburning turbofan.

Contents

Design and development

The F118 is a non-afterburning derivative of the F110 specially developed for the B-2 Spirit stealth bomber. A single stage HP turbine drives the 9 stage HP compressor, whilst a 2-stage LP turbine drives the 3 stage fan. The combustor is annular. In 1998, the USAF's Lockheed U-2 fleet was fitted with a modified version of the F118.

Variants

F118-GE-100
Variant for the B-2
F118-GE-101
Variant for the U-2S

Applications

  • Lockheed U-2S
  • Northrop Grumman B-2 Spirit

    • Specifications (F118-100)

    Data from

    General characteristics

  • Type: Two Spool Turbofan
  • Length: 101 in (255 cm)
  • Diameter: 46.5 in (118 cm)
  • Dry weight: 3200 lb (1452 kg)

    • Components

  • Compressor: Axial, 1 stage fan, 2 stage low pressure compressor, 9 stage high pressure compressor
  • Combustors: Annular
  • Turbine: 1 stage high pressure turbine, 2 stage low pressure turbine

    • Performance

  • Maximum thrust: 19,000 lbf (84.5 kN)
  • Overall pressure ratio: 35:1
  • Thrust-to-weight ratio: 5.9:1

    • References

    General Electric F118 Wikipedia
    (Text) CC BY-SA


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