T-50 pow­ered by sec­ond-stage en­gine to con­duct maiden flight in Q4 2017


Rus­sia’s T-50 (also des­ig­nated Perspective Front­line Avi­a­tion Com­plex, Rus­sian acro­nym PAK FA) fifth-gen­er­a­tion fighter air­craft pow­ered by the sec­ond-stage en­gine will con­duct its maiden flight in the fourth quar­ter of 2017, the press de­part­ment of the United En­gine Cor­po­ra­tion (ODK, a sub­sidiary of the Rostec State Cor­po­ra­tion) told jour­nal­ists.

“The first flight of the air­craft pow­ered by the new en­gine is ex­pected [to be con­ducted] in the fourth quar­ter of 2017,” a UEC rep­re­sen­ta­tive said. He pointed out that the en­gine pro­gramme is be­ing de­vel­oped “on the es­tab­lished time sched­ule”.

The first ground launch of the demon­stra­tor en­gine was con­ducted at the Lytkarino Ma­chine-Build­ing Plant in Novem­ber 2016. The en­gine is be­ing de­vel­oped by the Lyulka De­sign Bu­reau un­der aus­pices of the bu­reau’s

De­signer Gen­eral-Di­rec­tor Evgeniy Marchukov. Ac­cord­ing to the Di­rec­tor Gen­eral of UEC Alexan­der Ar­tyukhov, “New de­sign con­sid­er­a­tions of the Rus­sian en­gineb­uild­ing that re­main un­matched” were used dur­ing the man­u­fac­tur­ing of the demon­stra­tor en­gine.

“In ad­di­tion to the afore­men­tioned demon­stra­tor, the gas­gen­er­a­tors of the new en­gine were also pro­duced sep­a­rately. The sec­ond-stage jet en­gine in­tended for the PAK FA air­craft will fea­ture a FADEC (Full Au­thor­ity Dig­i­tal En­gine Con­trol) sys­tem. The ef­fec­tive­ness of the Unit 30 should be 17-18 per cent higher com­pared to the per­for­mances of the first-stage en­gine (Unit 117).

“The sec­ond-stage en­gine for PAK FA is a fifth-plus-gen­er­a­tion en­gine, even the fifth-plus-plus-gen­er­a­tion one,” Marchukov said pre­vi­ously. The spe­cific per­for­mances of the en­gine are 15-20 per cent bet­ter than the ones of its pre­de­ces­sors.

The PAK FA com­bat air­craft con­ducted its maiden flight in 2010. The first five se­rial fight­ers are sup­posed to be de­liv­ered to the mil­i­tary this year. The de­liv­er­ies of PAK FAs to the mil­i­tary may start af­ter 2018. At present, the fighter pro­to­types are pow­ered by the first-stage en­gines (Unit 117).

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