Thread: Sukhoi T-50 PAK FA

  1. #3226
    Senior Member themacedonian's Avatar
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    someone here is claiming that there are 2 flying T-50 aircraft. One used for taxing test and another for the actual flying test. Is there a confirmation?

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    hobo in the hills 2495's Avatar
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    Quote Originally Posted by TheMacedonian View Post
    someone here is claiming that there are 2 flying T-50 aircraft. One used for taxing test and another for the actual flying test. Is there a confirmation?
    There are two pictures and indeed the rear tail booms are different. Ones taxi test day, the others flight day. The thing is the taxi test day didn't get airborne - so yes, there are two airframes out there in use.

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    I think there are 3 airframes currently as I read somewhere, 2 for flight tests, 1 for static tests,

  4. #3229

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    I'm not convinced the tail booms are actually different, just the angle I think. There may be more than 1 airframe active, but I don't think the photo comparison is proof. I'll look again.

  5. #3230

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    Quote Originally Posted by metberkut View Post
    I recommend you looking at F-22 underside.

    http://static.panoramio.com/photos/original/4634883.jpg

    Perfectly straight, from intakes to engines. Well, maybe the engines are located slightly above intakes axes, but so have PAK-FA. But tell me, do you see fanblades here?

    http://www.kbvp.com/sites/default/fi...ht.preview.jpg

    I don't, even those the lines are straight on F-22 underside. It is not magic.
    The underside of the F-22 is flat. Yet, the internal arrangement on the duct is not. The PAK-FA is not flat and the engine nacelles appear to be circular in design. Which, likely means if you look stright down them you could in fact see the fan blades. This in turn would give a large radar return!

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    Senior Member artjomh's Avatar
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    Quote Originally Posted by Scooter2 View Post
    The PAK-FA is not flat and the engine nacelles appear to be circular in design. Which, likely means if you look stright down them you could in fact see the fan blades.
    The channels appear to be slightly curved in the vertical plane (similar to YF-23), providing some shielding to the compressor.

    Click image for larger version. 

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    From paralay's forum

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    Senior Member Orocairion's Avatar
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    Quote Originally Posted by Scooter2 View Post
    The underside of the F-22 is flat. Yet, the internal arrangement on the duct is not. The PAK-FA is not flat and the engine nacelles appear to be circular in design. Which, likely means if you look stright down them you could in fact see the fan blades. This in turn would give a large radar return!
    If you actually bother to take a good look at some of the pictures, you can actually make out the S-duct layout. That is, if you can actually be bothered to look at it without any bias...

  8. #3233

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    Quote Originally Posted by eATS View Post
    wow hi-quality so fast


    Keep dreaming............

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    Senior Member Orocairion's Avatar
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    Click image for larger version. 

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    Looks nice painted Su-47 style...

  10. #3235

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    Personally, I like the design and it will clearly be a very capable machine. That said, I don't believe in will be superior to either the F-22 or the F-35. Really, the big question especially in the case of Russia's partner India. Is how will it compare to the PLAAF's forthcoming J-XX???


    Of course that's another debate!

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    Oh man, the With all do respect... kid is here also.

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    Quote Originally Posted by Scooter2 View Post
    Personally, I like the design and it will clearly be a very capable machine. That said, I don't believe in will be superior to either the F-22 or the F-35. Really, the big question especially in the case of Russia's partner India. Is how will it compare to the PLAAF's forthcoming J-XX???


    Of course that's another debate!
    Umm, you can argue the F-22 angle ok, but the F-35? The thrust to weight and wing-loading will be far superior on the PAKFA, this aspect is not even debatable. The internal payload also will easily be superior in the PAKFA. The radar in the PAK-FA should also be superior (or at least equal), owing to the much larger aperture size. The range and speed should also go to the PAKFA. The only thing you can argue is the F-35 MAY have better stealth, but currently that is totally baseless as there is simply not enough information available on the RCS of either plane.
    So in conclusion, I dont see how the F-35 can be considered to be "obviously better" by anyone with even a grain of objectivity.

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    Quote Originally Posted by Scooter2 View Post
    Personally, I like the design and it will clearly be a very capable machine. That said, I don't believe in will be superior to either the F-22 or the F-35. Really, the big question especially in the case of Russia's partner India. Is how will it compare to the PLAAF's forthcoming J-XX???


    Of course that's another debate!
    Superior to the F-22?. Unlikely.
    Superior to the F-35?. It certainly will be, at least compared to the ****ty dowgraded export versions everybody in the EU and Asia are going to get.
    If the F-35 already has a worse RCS than that of the F-22, I can't imagine how its going to be like for the export ones. Lets not forget that the F-35 is more of a mud mover than an air-superiority aircraft.

  14. #3239

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    Quote Originally Posted by artjomh View Post
    The channels appear to be slightly curved in the vertical plane (similar to YF-23), providing some shielding to the compressor.

    Click image for larger version. 

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    From paralay's forum

    Well, I think we need more detailed information? Yet, the underside of the PAK-FA doesn't lead me to believe the ducts are anything but straight. That said, the aircraft is still in the development. So, they could modify the design before it enters production.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  15. #3240
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    Quote Originally Posted by Scooter2 View Post
    Personally, I like the design and it will clearly be a very capable machine. That said, I don't believe in will be superior to either the F-22 or the F-35. Really, the big question especially in the case of Russia's partner India. Is how will it compare to the PLAAF's forthcoming J-XX???


    Of course that's another debate!
    Oh, as for the fabled J-XX, the Chinese first need to develop an indigenous 4th gen aircraft before even considering a 5th gen one. They cant even field a domestic 4th gen fighter engine yet, relying on the AL-31F for both their J-11 and J-10. They dont have PESA fighter radars fielded yet, much less AESA, and their 4th gen airframes are either straight copies (J-11 of the Su-27) or heavily derived (J-10 from the Lavi). I wouldnt hold my breath waiting for the J-XX.

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