|Aubisque / RM9|
|Preserved Turbomeca Aubisque|
|Major applications||Saab 105|
|Developed from||Turbomeca Bastan|
The Turbomeca Aubisque was a small turbofan engine designed and produced by Turbomeca in the 1960s. Its only application was the Saab 105 military trainer aircraft as the RM9. The engine is named after the Col d'Aubisque in the Pyrenees mountains, in line with company tradition.
The earlier Turbomeca Marboré turbojet was originally intended for the Saab 105, but when Saab needed more thrust than the Marboré produced, Turbomeca offered the Aubisque turbofan. Basically a turbofan version of the Turbomeca Bastan turboprop, the Aubisque went into the production for the Saab 105. About 300 were produced. They were in service for 30 years until replaced in the mid-90's, by the Williams FJ44 turbofan, for the remaining Swedish Air Force Saab 105s.
Data from Jane's All the World's Aircraft 1962-63.
- Type: Low-bypass turbofan
- Length: 2,067 mm (81.4 in)
- Diameter: 564 mm (22.2 in)
- Dry weight: 243 kg (536 lb)
- Compressor: Geared fan stage, single-stage axial, single-stage centrifugal
- Combustors: Annular chamber
- Turbine: Two-stage
- Maximum thrust: 6.9 kN (1,543 lbf) at 32,500 rpm
- Overall pressure ratio: 6.9:1
- Air mass flow: 22.25 kg (49.1 lb)/s
- Fuel consumption: 420 kg (925.9 lb)/h
- Thrust-to-weight ratio: 0.062 kN/kg (2.88 lbf/lb)
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- Gunston 1989, p.170.
- Taylor, John W.R. FRHistS. ARAeS (1962). Jane's All the World's Aircraft 1962-63. London: Sampson, Low, Marston & Co Ltd.