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SNECMA Turbomeca Larzac

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SNECMA Turbomeca Larzac

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

Contents

Variants

04-C6
04-C20
04-H-20

Applications

  • Dassault/Dornier Alpha Jet
  • HAL HJT-36

    • Specifications (Larzac 04-C6 / 04-C20

    Data from

    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 stage axial, High pressure: 4 stage axial
  • 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)

    • References

    SNECMA Turbomeca Larzac Wikipedia
    (Text) CC BY-SA


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