Expert: China is not so much interested in the Su-35C itself, as its engine
On this occasion, one of the Chinese experts (the name is not indicated) writes in his article that Beijing is primarily “interested in acquiring, together with fighter engines, the 117С (AL-41F-1С) engines, which have significantly better characteristics than the ALD 31F and Chinese FWS-15 developed on its basis. ”
In the AL-41F-1C engine, about 80% of the components and assemblies are newly made. It “has new low and high pressure compressors, a combustion chamber, the diameter is increased from 0,905 m to 0,932 m. The engine has a digital control system. 86 kN afterburner, 142 kN afterburner. Indicators AL-31F respectively: 75 kN and 122,5 kN. In addition, the estimated service life of the upgraded power plant is 4 thousand hours (AL-31F - 900 hour.), The period of the first technical repair - after 1 thousand hours. (AL-31F - after 300 hour.).
It is assumed that the AL-41F-1C will "reserve power plant for the Chinese fighter new generation J-20, since augmented power FWS-15, established on the basis of AL-31FN-1M (it is equipped with fighter J-10) reaches only 135 kN that is not enough for an aircraft of this type. "
According to the "Military Parity", China hopes to acquire 24 Su-35 aircraft at the rate of 5 engines for each vehicle (two sets plus one standby). Total 120 engines 117C (AL-41F-1C).
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