Allison TF41
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| TF41 | |
|---|---|
 |
|
| 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.
Contents
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
- LTV A-7 Corsair II (USAF -D and US Navy -E models),
Specifications (TF41-A-1)
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
- 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:
See also
- Related development
- Comparable engines
- Related lists
References
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External links
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- ↑ http://www.flightglobal.com/pdfarchive/view/1975/1975%20-%200025.html
- ↑ http://www.flightglobal.com/pdfarchive/view/1968/1968%20-%200018.html TURBOFANS: A Survey of Current Airline Powerplants
- ↑ Gunston, p. 9
- ↑ http://www.flightglobal.com/pdfarchive/view/1968/1968%20-%200018.html
