In the fifth-generation Russian fighter, the Su-57 uses direct rather than S-shaped air intakes, since the first design allows you to increase engine power due to greater air flow and obtain internal compartments for larger missile and bomb weapons, writes the Free Press.
The publication notes that air intakes with direct ducts in the Su-57 "do not so much reduce stealth."
However, according to the Free Press, the fighter will have to change the geometry of the nozzle, making it flat. “Which is logical when switching from one engine to another. In this way, two birds with one stone are killed – the visibility in both the radar and infrared spectra is reduced, ”the publication writes.
In July, it was reported that Turkey, instead of the fifth-generation American fighter F-35 Lightning II, could acquire the Russian Su-57, the Chinese J-31, or the newly created European NGF (Next Generation Fighter).
In the same month, Deputy Prime Minister Yuri Borisov said that the serial Su-57, currently receiving the engines of the first stage of AL-41F-1, subsequently the power units will be replaced by engines of the second stage (“product 30”).
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