Due to the planned use of the AI-25TLŠ engine in combat aircraft ("Š" for "ŠTURMOVIK"), modifications were made to the engine leading to an increase in its thrust (so-called combat thrust) and a reduction in the engine acceleration time to less than 6 seconds. The AI-25TL engine can be modified for the TLS version as part of an engine overhaul. The main changes are to the fuel delivery control system, electrical system, high-pressure turbine, and inner duct nozzle. The first flight of an L-39 aircraft with the AI-25TLS engine took place on 13.06.2002 as part of tests under the supervision of the Ministry of Defence of the Republic of Ukraine.
Engine parameters: Thrust at maximum combat mode, H=0, M=0 - 18,15kN Thrust at maximum combat mode, H=0, M=0,6 - 12,26kN Thrust at maximum mode, H=0, M=0 - 16,87kN Thrust at maximum mode, H=0, M=0,6 - 10,79kN Thrust in cruise mode, H=6km, M=0,483 - 5,05kN Specific fuel consumption on maximum mode, H=0, M=0 - 0,06 kg.N-1.h-1 Specific fuel consumption on cruise mode, H=6km, M=0,483 - 0,0806 kg.N-1.h-1 Engine dry mass - 400(?) kg Engine tensile mass - 0,0454(?) kN.kg-1
Červeno sú vyznačené pridané alebo upravené časti AI-25TLŠ oproti pôvodnému AI-25TL.
URL : https://www.valka.cz/Ivcenko-AI-25TLS-t184480#538356
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