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The HAL HTFE-25 ("Hindustan Turbo Fan Engine") is a 25 kn turbofan engine under development by Hindustan Aeronautics Limited (HAL).[1] The engine can be used in single engine trainer jets, business jets and UAVs weighing up to 5 tonnes and in twin engine configuration for same weighing up to 9 tonnes. Based on the technical feasibility, the market potential for engine is of 200-250 units.[2]

HTFE-25
HTFE-25 turbofan engine from HAL
Type	Afterburning turbofan
National origin	India
Manufacturer	Hindustan Aeronautics Limited
First run	14 December 2015
Number built	2 (Core engines)

Two engines have been produced and completed 339 runs as of 2019 out of which 96 runs were conducted in 2018-19. Engine has successfully completed cold starting test at 14 °C with spark igniters and has also achieved 100 per cent max speed with and without IGV modulation. The company has also initiated the development for integrating afterburner technology on engine. In March 2019, first test with "basic afterburner" configuration was conducted on the engine.[3]

Specifications

Data from [4][5]

General characteristics

• Type: turbofan
• Length: 1,730 millimetres (68 in)
• Diameter: 590 millimetres (23 in)
• Dry weight: 350 kilograms (770 lb)

Components

• Compressor:

Performance

• Maximum thrust: 25 kN (2,500 kgf; 5,600 lbf) (dry thrust)
• Bypass ratio: 0.50
• Air mass flow: 43 kg/s
• Turbine inlet temperature: 1450 K
• Fuel consumption: 0.71 kg/kgf-hr
• Thrust-to-weight ratio: 5.66

See also

Related development

• HAL HTSE-1200

Comparable engines

• NPO Saturn AL-55
• Rolls-Royce Turbomeca Adour

Related lists

• List of aircraft engines

References

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