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Allison TF41

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

Contents

Design and development

The TF41 was jointly developed by Allison Engine Company and Rolls-Royce from the latter's RB.168-25R Spey. Allison manufactured the TF41 under license, while Rolls-Royce supplied parts common to existing Speys. 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.

Applications

  • LTV A-7 Corsair II (USAF -D and US Navy -E models),

    • Specifications (TF41-A-1)

    Data from Flight.

    General characteristics

  • Type: Turbofan
  • Length:
  • Diameter:
  • Dry weight:

    • 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

  • Maximum thrust: 14,250 lb
  • Overall pressure ratio: 20:1
  • Bypass ratio: 0.77:1
  • Air mass flow: 258 1b/sec
  • Power-to-weight ratio:

    • References

    Allison TF41 Wikipedia
    (Text) CC BY-SA


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