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SNECMA Turbomeca Larzac

 

SNECMA Turbomeca Larzac

Larzac
Sectioned view of a SNECMA Turbomeca Larzac
Type Turbofan
National origin France
Manufacturer SNECMA Turbomeca
Major applications Dassault/Dornier Alpha Jet

The SNECMA Turbomeca Larzac is a military turbofan manufactured by GRTS (Groupement Turbomeca-SNECMA),[1] a consortium between the two French companies, SNECMA and Turbomeca. Its main application was on the Dassault/Dornier Alpha Jet.

Contents

  • Variants 1
  • Applications 2
  • Specifications (Larzac 04-C6 / 04-C20 3
  • See also 4
  • References 5
  • External links 6

Variants

04-C6
04-C20
04-H-20

Applications

Specifications (Larzac 04-C6 / 04-C20

Data from [2][3]

General characteristics

  • Type: Axial flow, twin-spool, bypass turbofan engine
  • Length: 1,187 mm (46.73 in)
  • Diameter: Inlet:452 mm (17.79 in)
  • Dry weight: 295 kg (650.35 lb)

Components

  • Compressor: Low pressure: 2 stages, High pressure: 4 stages
  • Combustors: Annular
  • Turbine: Low pressure: 1 stage, High pressure: 1 stage
  • Fuel type: Aviation Kerosene Jet A-1 or similar
  • Oil system: pressure spray/splash with scavenge

Performance

  • Maximum thrust: (04-C6) 13 kN (2,970 lbf), (04-C20) 14 kN (3,200 lbf)
  • Overall pressure ratio: (04-C6) 10.5, (04-C20) 11.1
  • Bypass ratio: (04C6) 1.13, (04C20) 1.04
  • Air mass flow: (04-C6) 28.1 kg (62 lb)/second, (04-C20) 28.6 kg (63 lb)/second
  • Turbine inlet temperature: (04-C6) 1,403 K (1,130 °C; 2,066 °F), (04C-20) 1,433 K (1,160 °C; 2,120 °F)
  • Specific fuel consumption: (04-C6) 73 kg/kN.h (1.579 lb/lbf.h), (04C-20) 76 kg/kN.h (1.644 lb/lbf.h)
  • Thrust-to-weight ratio: (04-C6) 0.0448 kN/kg (4.567 lbf/lb), (04C-20) 0.048 kN/kg (4.92 lbf/lb)

See also

Comparable engines
Related lists

References

Notes
  1. ^ Gunston 1989, p.172.
  2. ^
  3. ^
Bibliography
  • Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9

External links

  • Product page
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