Allison TF41

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TF41 Spey
Allison TF41-A-1B engine.jpg
An Allison TF41-A-1B turbofan
Type Turbofan
Manufacturer Allison Engine Company / Rolls-Royce Limited
First run 1967
Major applications LTV A-7 Corsair II
Number built 1,440
Developed from Rolls-Royce Spey

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

Design and development[edit]

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[edit]

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

Specifications (TF41-A-1)[edit]

Data from Flight.[4]

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

See also[edit]

Related development
Comparable engines
Related lists

References[edit]

External links[edit]