This turbofan is a version of the mass-produced AI-25TL engine mounted in the L-39 and K-8J trainer aircraft.
This turbofan is a version of the mass-produced AI-25TL engine mounted in the L-39 and K-8J trainer aircraft. It can power combat-trainer modifications of these aircrafts and be adapted to power other existing trainer and combat trainer aircraft and those under development to be used as light attack aircraft. In this respect, a combat power rating of enhanced maximum thrust, employed for strike operations, has been additionally introduced and engine acceleration time has been substantially reduced.
The engine features:
- high reliability ensuring the highest possible flight safety, which is proved by the fact that around 5,000 AI-25TL engines are operated in 37 countries, their total operating time approaches to 7,000,000 hours;
- high level of gas-dynamic stability at external disturbances, including those when launching onboard weapons;
- high fuel efficiency;
- insignificant labor and time input for maintenance;
- minimum life cycle cost.
The engine preserves the previous design of automatic control system to provide retrofitting the earlier produced L-39 and K-8J aircraft. At a customer's request, the engine can be modified to be controlled by
BASIC SPECIFICATIONS
Combat Training | |
Maximum power condition (H = 0, M = 0, ISA): |
|
Thrust, kgf (kN) |
1850 (18.15) 1720 (16.87) |
SFC, kg/(kgf•h) (kg/kN•h) |
0.575 (58.6) |
Maximum power condition (H = 0, M = 0.6, ISA +15 °C): |
|
Thrust, kgf (kN) |
1250 (12.26) 1100 (10.79) |
Cruise power condition (H = 8000 m, Mfl = 0.75, ISA): |
|
Thrust, kgf (kN) |
1600 (15.69) 1600 (15.69) |
Specific fuel consumption, kg/kgf•h (kg/kN•h) |
0.630 (64.2) 0.630 (64.2) |
Dry weight, kg | 1124 1124 |
Tonnes of iron
Shot at Siege of Sebastopol during Crimean War
Revolutions per minute
Does a bullet fired from Lee Enfield rifle, as used in both world wars
Women
The Nizam of Hyderabad raised in 1975 for his war against the Marathas
Meters
Is an effective range of Big Bertha, the World War I howitzer
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State Foreign Trade Enterprise “SpetsTechnoExport” is a fully state-run entity incorporated by the Government of Ukraine in 1998 for export-import activities at foreign armaments markets.
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