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Originally posted by HatTrick
BTW - round exhaust nozzles = stealth FAIL
However, it's a very cool looking rendering.
Air force commander Aleksandr Zelin says is due to fly in November or December. The aircraft was shown to President Vladimir Putin in its assembly phase during his May visit to the KnAAPO production plant in Komsomolsk-on-Amur
In less than four months from now, India's first stealth fighter will fly for the first time.
It is called the Fifth Generation Fighter Aircraft or FGFA being developed in Russia by Sukhoi.
Originally posted by Advancedboy
The round exhaust nozzles would certainly hurt stealth and increase infra-red signature , would be an obsolete application for thrust vectoring as well.
Originally posted by kilcoo316
A fixed diffusive nozzle, more like the B-2 or F-117 is better for IR, but useless for variable area or for thrust vectoring.
Originally posted by Darkpr0
Clarification: Useless for 3D TVC as implemented on other modern Russian aircraft. F-22's non-circular intakes allow for 2D TVC, but the Russians are quite big on full 3D, so it's likely that they will stick with it on PAK-FA.
Originally posted by deltaboyConcept pics of the PAK. Could be a fake I think.
I look at the wiki and it mentions that it would be stealthy.
if you design a plane based on stealth then it would have to look something like in the pics or the F-22 or the F-35, can't be with curves and so on. So you think a Russian plane with stealth be looking something like this even if this concept is not real?
Originally posted by IAF101Very Majestic looking aircraft but I doubt the finished product would look anything like that. They are promising a LOT from super cruise to stealth but I fear they wont be able to deliver quite as well on all their promises.
The AESA radar itself is going to be a monumental challenge for them. Not to mention decent engines.
Its shocking that the Russians despite being the originators in the study of
"Stealth" have not bothered to replicate the American successes in the same field.
Originally posted by paraphi do wonder whether Russia can afford to develop aircraft as being proposed - after all, their GDP is not that big.
The Europeans long ago pooled their developent resouces (with the exception of France, of course)
and the US are curtailing F22, probably because they don't actually need such a plane and it is rather costly.