SOURCE: The Aviationist Russia’s contribution to the 5th Generation of air combat super-fighters moved ahead tangibly in early December with the successful flight of the first Sukhoi Su-57 using its new, upgraded Izdeliye-30 turbofan engine. The first successful test flight with an Su-57 using the new Izdeliye-30 took place on Tuesday, Dec. 5, 2017. The 17-minute test flight by Sukhoi […]
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