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Allison TF41

Low-bypass turbofan engine From Wikipedia, the free encyclopedia

Allison TF41
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The Allison TF41 (Company designations RB.168-62 and Model 912) is a low-bypass turbofan engine.

Quick Facts TF41 Spey, Type ...

Design and development

The TF41 was jointly developed by Allison Engine Company and Rolls-Royce from the latter's RB.168-25R Spey.[1] Allison manufactured the TF41 under license, while Rolls-Royce supplied parts common to existing Speys.[2] The TF41 was developed for use in the LTV A-7D Corsair II for the USAF, and the US Navy's A-7E. Between 1968 and 1983, a total of 1,440 TF41s were delivered.[3]

Applications

Thumb
A TF41 of a U.S. Navy A-7E-4-CV Corsair II (BuNo 156809).

Specifications (TF41-A-1)

Data from Flight.[4][5]

General characteristics

  • Type: Turbofan
  • Length: 114.5 in (2908.3 mm)
  • Diameter: 40 in (1016 mm)
  • Dry weight: 3,511 lb (1592.6 kg)

Components

  • Compressor: Three-stage LP compressor, two-stage IP compressor (both driven by LP turbine),11-stage HP compressor
  • Combustors: Cannular combustor with ten flame tubes
  • Turbine: Two-stage LP, Two-stage HP

Performance

See also

Related development

Comparable engines

Related lists

References

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