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  1. nj4ck

    Russian PAK-TA concept question

    There's two types of exhaust, the one for engine 2 is similar to a standard turbofan exhaust, the ones on engine 1 and 3 remind me of the exhausts on the B-2 and supposedly feature thrust vectoring (which so close to the center of mass makes no sense, as far as I can tell). I suppose it could be...
  2. nj4ck

    Russian PAK-TA concept question

    "Well, I'm going to take a punt and say yes, because an airfoil can operate supersonically" sure, a propeller can operate with the tips travelling at supersonic speed, but can it accelerate the air it moves past Mach 1?
  3. nj4ck

    Russian PAK-TA concept question

    Hi all, first off, I am NOT an engineer (hope that's not a problem). But I do have a question, in case any of you could spare a minute or two to explain something to me. Is it physically possible for a fan (any type of fan), to produce supersonic airflow? I'm by no means an expert on this, but...

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