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 Za ljubitelje performansi motora, ko pravi bolje motore, koji ima veću spec snagu i ostale trice i kučine evo solidnog teksta o njihovim karakteristikama datim u uporednoj tabeli.
"Comparison of fighters of the fourth and fifth generation" Paul Bulat
AL-31F and RD-33.
 Introduced 10 years later, F100-PW-100, our engines, being very similar to each other, very unique and progressive scheme. Low-loaded compressor stage, coupled with single-stage turbine, high and low pressure have a massive reserve for upgrading.
It is possible to introduce a variety of modes: minimum afterburner, Training Fast and the Furious, full afterburner, take-off, extraordinary. Almost without any meaningful change, just by changing the gas-dynamic parameters thrust AL-31F can be increased from 12,5 to 13,2 m, and RD-33 from 8 to 9,4 ton. Unfortunately, the notorious events of 90 years not
possible to apply advanced engines for serial machines.
The only major upgrade was RD-33K for the deck of the MiG-29K with increased diameter of the fan, air flow and thrust. It was further developed version of the RD-33MK for the new MiG. It should be noted that the RD-33 in the initial configuration differed most moderate proportions of the parameters, respectively, had the greatest scope for modernization. So to develop modifications of RD-43 (VC-10) only by twisting gasdynamic parameters thrust increased to nearly 10-ton without increasing the weight and fuel consumption. In the next generation, known as VC-12 (RD-431), would have applied elements of technology specific to generation 4 + ("Bliske, single-crystal blades and turbine discs, a ceramic combustion chamber, a new nozzle). VC-10 and VC-12 designed for MiG-35 first and subsequent episodes. They can also be applied to MiGe-29K/KUB.
For the Su-27SM, Su-30MK, Su-33KUB, SU-34, Su-35 developed new versions of the AL-31F engines, known as the 117S (Saturn) and AL-31FM1/M2/M3. AL-31FM1 already adopted to equip the Su-27SM. It has a thrust of about 13.2 kG. At AL-31FM2 apply the new Lopaka the compressor with a wide chord, based on technology "were around." Thrust has reached the 14.2-ton. On the modification of the AL-31FM3 tested new turbine and the camera, and the engine thrust is increased to 15,3 ton [5].
Already being developed and the AL-31FM4, which, like the 117C, has an increased diameter of the fan. These motors are designed for new fighter Su-35/34/30MK, as well as the fifth-generation aircraft. In AL-31FM4 used the same construction scheme as that of F119, ie 3 +6 = 1 +1 (three-stage fan, six-compressor, single stage turbine, high and low pressure. The new engine will make use of all the innovations that have been tested on earlier versions. Thrust already in 2009 may reach values of 16.5 tons.
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