Russian 'United Airbuilding Corporation' (UAC) will be the system integrator of 2nd stage engine for 5th gen fighter,- said today Mikhail Pogosyan, the Sukhoi corp chief.
According to ARMS-TASS, he also have said, that the 'United Engine-building Corporation' will merge 'Salut' corp - second prominent center of gas-turbine manufacturing and design in Russia. 'The specification of the prospective engine is decided, but the whole time of development will take 10-12 years, so this engine will not be ready in 2015 for sure'? - he said.
He also marked that there is nothing critical with the fact that the tests of PAK FA have started with 1st stage engine. 'THe plane took-off with the engine, which was projected for this fighter, 'it's very modern device, allowing long term exploitation of the plane'. The plane will start its service in RuAF with the 1st phase engine.
As regards 2nd phase engine, the terms of the program need elaboration, it will be decided during 2010 - 2011 maximum , he added. During Putin visit to 'Sukhoi' facility in Moscow Pogosyan also declared that 27 degree AoA was achieved throughout last PAK FA testing. 'When Su-27 was tested, such AoA was achieved only after some months of active testing' he added.