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.

Variants

49-01

04-C6

04-C20

04-H-20

Applications

• Dassault/Dornier Alpha Jet
• HAL HJT-36 (only initial prototypes)

Specifications (Larzac 04-C6)

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 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: 13 kN (2,970 lbf),
• Overall pressure ratio: 10.5
• Bypass ratio: 1.04
• Air mass flow: 28.1 kg/s (62 lb/s)
• Turbine inlet temperature: 1,403 K (1,130 °C; 2,066 °F)
• Specific fuel consumption: 73 kg/(kN hr) (0.716 lb/(lbf hr))
• Thrust-to-weight ratio: 4.567

See also

Comparable engines

• Ivchenko AI-25
• Ivchenko-Progress AI-222

Related lists

• List of aircraft engines

References

Notes

1. Gunston 1989, p.172.
2. "Larzac 04" (PDF). Snecma. Archived from the original (PDF) on November 10, 2006. Retrieved 2008-01-09.
3. "Vectors For September 2003" . Retrieved 2008-01-09.

Bibliography

• Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN   1-85260-163-9

External links

• Product page Archived 2008-11-15 at the Wayback Machine