Crazy Russians. In case you are wondering, yes, they are testing with the hood raised on purpose!
Because it's a mockup I guess? The entire thing looks like it's made out of glass fiber.
I'm guessing the thrust vectoring nozzles are hydraulically or electrically operated. So when the engine isn't powered, the nozzles are disengaged and point/hang down from the effects of gravity. Just like this:why doesn't the nozzle hung
Because it's a mockup I guess? The entire thing looks like it's made out of glass fiber.
it’s no.057 should be the first one su57 doubt it’s a mockupI'm guessing the thrust vectoring nozzles are hydraulically or electrically operated. So when the engine isn't powered, the nozzles are disengaged and point/hang down from the effects of gravity. Just like this:
They're pointed straight on the first picture you attached because just as @tupolevtu144 mentioned, its almost certainly a mockup, so the exhibitors can point the thrust vectoring nozzles upright to display how the Su-57 might look when the plane is powered up.
it’s no.057 should be the first one su57 doubt it’s a mockup