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Thread: J-20 Thread 7

  1. 13th May 2012, 08:59 #91
    thinkplum
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    Quote Originally Posted by Deino View Post
    Following the SinoDefence Forum, no. 2001 was moved to Yanliang (according to wall climbers on CJDBY). The plane didn't land after it took off yesterday ... so we can assume, the next phase of flight testing to begin ! ... which however will mean we won't see them as often as during the last months.
    it had me for some time why they have tested it for so many times in Chengdu. Institute 611 is not a good place you test a prototype, it draw too much attention and when things go wrong, the government also dont want 20 tons of fuel shoot into a village(especially when the progress bar is where we all think it be). Yanliang seems a better choice. Or, whether 2001 and 2002 are there just for the wall climbers and in fact a propaganda diversion ? The real test ground should be somewhere else. As far as i understand, a thing with so many parts can move, the control software is kinda hard, and takes a significant amount of configuration time to make it even flyable.
  2. 13th May 2012, 22:06 #92
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    That canopy looks awfull F-22 like (ignore the circles):

    http://img269.imageshack.us/img269/6...b37ad72bbc.jpg
    http://img28.imageshack.us/img28/331...d2ea8fb620.jpg

    http://img7.imageshack.us/img7/885/3...9a8b433583.jpg
    http://img62.imageshack.us/img62/893...3269602acd.jpg
    http://img818.imageshack.us/img818/9098/rsz11rsz3807.jpg
  3. 13th May 2012, 23:05 #93
    J-20 Hotdog
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    Quote Originally Posted by TR1 View Post
    That canopy looks awfull F-22 like (ignore the circles):

    http://img269.imageshack.us/img269/6...b37ad72bbc.jpg
    http://img28.imageshack.us/img28/331...d2ea8fb620.jpg

    http://img7.imageshack.us/img7/885/3...9a8b433583.jpg
    http://img62.imageshack.us/img62/893...3269602acd.jpg
    you just noticed that now? i think everyone acknowledges the entire front fuselage is strongly influenced by the F-22. Just like how the canopy of the Pak-fa is similar to the X-32
    http://forum.keypublishing.co.uk/sho...111400&page=16
  4. 13th May 2012, 23:07 #94
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    No it was obvious to anyone with eyes, at least the vague similarity (something not uncommon to fighters designs). However, those photos look a lot more than "vaguely" similar.

    A lot more similar than T-50 and X-32 cockpit, that is for sure.
    http://img818.imageshack.us/img818/9098/rsz11rsz3807.jpg
  5. 13th May 2012, 23:11 #95
    J-20 Hotdog
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    Quote Originally Posted by TR1 View Post
    No it was obvious to anyone with eyes, at least the vague similarity (something not uncommon to fighters designs). However, those photos look a lot more than "vaguely" similar.

    A lot more similar than T-50 and X-32 cockpit, that is for sure.
    are you referring to the location of the holes?
  6. 13th May 2012, 23:12 #96
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    Quote Originally Posted by J-20 Hotdog View Post
    are you referring to the location of the holes?
    No, glass shape and outline, also protrusions within canopy frames. Ignore the holes around the actual body, the circles are not mine, I think someone used the photos for another purpose originally.
    http://img818.imageshack.us/img818/9098/rsz11rsz3807.jpg
  7. 13th May 2012, 23:18 #97
    J-20 Hotdog
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    Quote Originally Posted by TR1 View Post
    No, glass shape and outline, also protrusions within canopy frames. Ignore the holes around the actual body, the circles are not mine, I think someone used the photos for another purpose originally.
    hmm yes they are mightly similar. but you have to admit.. the F-22 has the best bubble canopy of the 5th gen designs.. better rear view than YF-23, X-32, Pak-fa, F-35. China might as well copy the best. Only thing lacking is the metal coating.
  8. 14th May 2012, 05:18 #98
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    Quote Originally Posted by J-20 Hotdog View Post
    hmm yes they are mightly similar. but you have to admit.. the F-22 has the best bubble canopy of the 5th gen designs.. better rear view than YF-23, X-32, Pak-fa, F-35. China might as well copy the best. Only thing lacking is the metal coating.
    Rear view mirror works just fine.


    J-10A
    Last edited by coolieno99; 14th May 2012 at 05:53.
  9. 14th May 2012, 09:31 #99
    mack8
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    Courtesy GT at CDF
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    Last edited by mack8; 14th May 2012 at 09:35.
  10. 14th May 2012, 11:47 #100
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    Quote Originally Posted by mack8 View Post
    Courtesy GT at CDF
    Yeppp ... reportedly prior to the flight to Yanglian !

    ... & 2002 from today !
    Attached Thumbnails Attached Thumbnails Click image for larger version.  Name: J-20 2002 - 14.5.12 - high speed taxi - 1.jpg  Views: 1060  Size: 88.7 KB  ID: 205422   Click image for larger version.  Name: J-20 2002 - 14.5.12 - high speed taxi - 2.jpg  Views: 983  Size: 229.1 KB  ID: 205423  
    ...

    He was my North, my South, my East and West,
    My working week and my Sunday rest,
    My noon, my midnight, my talk, my song;
    I thought that love would last forever; I was wrong.

    The stars are not wanted now; put out every one:
    Pack up the moon and dismantle the sun;
    Pour away the ocean and sweep up the woods:
    For nothing now can ever come to any good.
    -------------------------------------------------
    W.H.Auden (1945)
  11. 14th May 2012, 18:26 #101
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    A nice psed image ... :diablo:

    Anyway this might be a picture at CAC in a few years.
    Attached Images Attached Images  
    ...

    He was my North, my South, my East and West,
    My working week and my Sunday rest,
    My noon, my midnight, my talk, my song;
    I thought that love would last forever; I was wrong.

    The stars are not wanted now; put out every one:
    Pack up the moon and dismantle the sun;
    Pour away the ocean and sweep up the woods:
    For nothing now can ever come to any good.
    -------------------------------------------------
    W.H.Auden (1945)
  12. 14th May 2012, 18:51 #102
    martinez
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    Quote Originally Posted by Deino View Post
    Yeppp ... reportedly prior to the flight to Yanglian !

    ... & 2002 from today !
    there are not wall climbers, spotters in Yanglian?

    btw, with MLG doors closed it looks stunning on ground as well. Looking forward to see more hires photos.
    Last edited by martinez; 14th May 2012 at 18:55.
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  13. 15th May 2012, 16:46 #103
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    Attached Images Attached Images  
    ...

    He was my North, my South, my East and West,
    My working week and my Sunday rest,
    My noon, my midnight, my talk, my song;
    I thought that love would last forever; I was wrong.

    The stars are not wanted now; put out every one:
    Pack up the moon and dismantle the sun;
    Pour away the ocean and sweep up the woods:
    For nothing now can ever come to any good.
    -------------------------------------------------
    W.H.Auden (1945)
  14. 15th May 2012, 19:27 #104
    martinez
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    Quote Originally Posted by Deino View Post
    cool, somehow reminds me of the FB-22, the longer, wider, with bigger payload and delta wings strike/bomber version of the F-22...

    thanks for pics anyway
    <Find a job you like doing, and you'll never have to work a day in your life>
  15. 16th May 2012, 07:24 #105
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    Congrats to CAC ... 2002 has just landed following its maiden flight !

    Photos hopefully later ...

    Deino
    ...

    He was my North, my South, my East and West,
    My working week and my Sunday rest,
    My noon, my midnight, my talk, my song;
    I thought that love would last forever; I was wrong.

    The stars are not wanted now; put out every one:
    Pack up the moon and dismantle the sun;
    Pour away the ocean and sweep up the woods:
    For nothing now can ever come to any good.
    -------------------------------------------------
    W.H.Auden (1945)
  16. 16th May 2012, 07:36 #106
    Twinblade
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    Quote Originally Posted by Deino View Post
    Congrats to CAC ... 2002 has just landed following its maiden flight !

    Photos hopefully later ...

    Deino
    I thought the previous pics were from the maiden flight. In my mind it had already flown
  17. 16th May 2012, 07:54 #107
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    No, these were "only" from the high-speed tests ...
    ...

    He was my North, my South, my East and West,
    My working week and my Sunday rest,
    My noon, my midnight, my talk, my song;
    I thought that love would last forever; I was wrong.

    The stars are not wanted now; put out every one:
    Pack up the moon and dismantle the sun;
    Pour away the ocean and sweep up the woods:
    For nothing now can ever come to any good.
    -------------------------------------------------
    W.H.Auden (1945)
  18. 16th May 2012, 10:54 #108
    TheBaseLeg
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    First photo I've seen...

    www.thebaseleg.com - Base Leg Aviation News and Photography
  19. 16th May 2012, 10:56 #109
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    Here are more:
    http://top81.jschina.com.cn/top81bbs...374&id=3952374
    http://www.fyjs.cn/bbs/htm_data/27/1205/699878.html

    Deino
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    ...

    He was my North, my South, my East and West,
    My working week and my Sunday rest,
    My noon, my midnight, my talk, my song;
    I thought that love would last forever; I was wrong.

    The stars are not wanted now; put out every one:
    Pack up the moon and dismantle the sun;
    Pour away the ocean and sweep up the woods:
    For nothing now can ever come to any good.
    -------------------------------------------------
    W.H.Auden (1945)
  20. 16th May 2012, 14:26 #110
    Ocean Boy
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    the landing gear doors are different than before
  21. 16th May 2012, 14:47 #111
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    No difference, but your eyes.
    The truth usually between two extremes, the key is when and where.
  22. 16th May 2012, 14:56 #112
    Ocean Boy
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    Quote Originally Posted by emile View Post
    No difference, but your eyes.
    the previous land gear doors open downward, the new ones open upward

    Anyway this might be a picture at CAC in a few years.
    I wager that would occur by 2 more years at the most. a bunch of J-10 prototypes were built between 1998 and 2001
  23. 16th May 2012, 15:15 #113
    mack8
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    The main landing gear doors on J-20 are in two sections. Small ones (visible on 2002 pic above f.e.) open upwards , but the bigger ones open downward. It's just 2002 had the bigger ones closed through the take-off/landing (and most of the ground testing, whereas 2001 usually have them open on the ground/taxiing /take-off/landing) .

    There's a video few posts back clearly showing 2002 landing gear doors are pretty much same as 2001.

    Btw, congrats to CAC for another milestone .
  24. 16th May 2012, 15:34 #114
    Ocean Boy
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    Quote Originally Posted by mack8 View Post
    The main landing gear doors on J-20 are in two sections. Small ones (visible on 2002 pic above f.e.) open upwards , but the bigger ones open downward. It's just 2002 had the bigger ones closed through the take-off/landing (and most of the ground testing, whereas 2001 usually have them open on the ground/taxiing /take-off/landing) .

    There's a video few posts back clearly showing 2002 landing gear doors are pretty much same as 2001.

    Btw, congrats to CAC for another milestone .
    thanks for clearing that up. I believe proto 2003 gets AESA installed
    Last edited by Ocean Boy; 16th May 2012 at 17:01.
  25. 20th May 2012, 14:17 #115
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  26. 21st May 2012, 02:56 #116
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    Quote Originally Posted by Ocean Boy View Post
    the previous land gear doors open downward, the new ones open upward
    The door of wheel bay was closed leading the difference you believed.
    The truth usually between two extremes, the key is when and where.
  27. 21st May 2012, 10:24 #117
    mack8
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    Someone was saying in another thread that the fact that 2002 has a pitot , it meens it won't have an AESA installed ( or at least it will only have a MSA).

    Looking on the net , i found two AESA equipped aircraft that still have a pitot, F-2A and MiG-35. Perhaps there is a way to "cancel" the effect of pitot tube on and AESA anyway ( software?).

    PESA equipped a/c like MiG31 and Su-30MKI also have pitot ( dunno how relevant that is or not).

    I've been puzzled why did they moved the pitot though. If it doesn't have a radar in afterall , maybe it will have a dielectrical radome ( to test it ), but they didn't wanted to make a hole in it to put the pitot in the same position as on 2001?

    Or maybe the position of the pitot influenced too much the aerodinamic testing results, so they moved in on the radome tip to minimise it's effects?

    Just thinking out loud.
  28. 21st May 2012, 11:19 #118
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    What is this? Paint degradation from overheating/damage or just an optical effect?

  29. 21st May 2012, 13:57 #119
    martinez
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    Quote Originally Posted by Ufimtsev View Post
    What is this? Paint degradation from overheating/damage or just an optical effect?

    yes, could be paint degradation, but that would mean they screwed up something if that hapenned due to heat stress. Seems to be present on some photos. Is it important somehow?
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  30. 21st May 2012, 14:19 #120
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    Videos from the first flight of 2002:

    http://www.youtube.com/watch?feature...&v=9LU6HkY7ews

    http://www.youtube.com/watch?v=HaNqF...feature=relmfu

    Deino
    ...

    He was my North, my South, my East and West,
    My working week and my Sunday rest,
    My noon, my midnight, my talk, my song;
    I thought that love would last forever; I was wrong.

    The stars are not wanted now; put out every one:
    Pack up the moon and dismantle the sun;
    Pour away the ocean and sweep up the woods:
    For nothing now can ever come to any good.
    -------------------------------------------------
    W.H.Auden (1945)
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