Turbomeca Aspin

The Turbomeca Aspin was a small French turbofan engine produced by Turbomeca in the early 1950s. This geared turbofan design was the first turbofan to fly, powering the Fouga Gemeaux test-bed aircraft on 2 January 1952.[1]

Aspin
Type Turbofan
National origin France
Manufacturer Turbomeca
First run 1951

Variants
Aspin I
200 kg (440 lb) thrust
Aspin II
350 kg (770 lb) thrust

Applications

Specifications (Aspin II)

Data from Aircraft engines of the World 1953 [2]

General characteristics

  • Type: Geared turbofan
  • Length: 1,614 mm (63.5 in)
  • Diameter: 604 mm (23.8 in)
  • Dry weight: 138 kg (304 lb)

Components

  • Compressor: single-stage geared axial flow fan, single-stage centrifugal flow compressor
  • Combustors: Annular combustion chamber
  • Turbine: Two-stage axial flow turbine
  • Fuel type: Kerosene
  • Oil system: Dry sump, Turbomeca gear pump at 5.9 bar (85 psi)

Performance

Take-off: 3.6 kN (800 lbf)
Max Continuous: 3.14 kN (705 lbf)
Fan: 1.15:1 at 35,000 rpm / sea level
Compressor: 3.8:1 at 35,000 rpm / sea level
  • Air mass flow:
Fan:21 kg/s (46 lb/s) at 35,000 rpm / sea level
Compressor:3.0 kg/s (6.6 lb/s) at 35,000 rpm / sea level
  • Turbine inlet temperature:
Before turbine:810 °C (1,490 °F; 1,080 K)
After turbine:560 °C (1,040 °F; 833 K)

See also

Related development

Comparable engines

Related lists

References
Notes
  1. Gunston 1989, p. 169.
  2. Wilkinson, Paul H. (1953). Aircraft engines of the World 1953 (11th ed.). London: Sir Isaac Pitman & Sons Ltd. pp. 166–167.
Bibliography
  • Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9
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