J-20 5th Generation Fighter VII

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benny

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Is the bottom body of the aircraft supposed to look that asymmetric or is that due to quality/precision issues? No idea, I'm just asking since it looks quite off.
In my edit, I had trimmed off the left side a bit accidentaly so the assymmetry looked pronounced. Here is another photo of a head on shot with a very similar angle. I don't think it looks assymetric, this angle is pretty rare so perhaps people didn't notice much before.49437654526_56518815f4_k.jpg

Another Head on shot with a lower tilt angle, it's shown with a straight flat bottom and I think this angle is more common shot.
UnPgRY9.jpg
 

Atomicfrog

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In my edit, I had trimmed off the left side a bit accidentaly so the assymmetry looked pronounced. Here is another photo of a head on shot with a very similar angle. I don't think it looks assymetric, this angle is pretty rare so perhaps people didn't notice much before.View attachment 70962

Another Head on shot with a lower tilt angle, it's shown with a straight flat bottom and I think this angle is more common shot.
UnPgRY9.jpg
Would be interesting to have a ws-10 variant and a al-31 in frontal view to see if they changed the intakes ?
 

stannislas

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what's the AOA of the jet at the at moment?
modern jet has very thin layer of skin, so when they are in some high overload movements the surface could be pressed heavily by air, which could lead to some temporary deformation could be observed by the naked eye, but once the flight back to normal and the stressed got relaesed, the skin will reform back to its original smooth surface
 

sinophilia

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what's the AOA of the jet at the at moment?
modern jet has very thin layer of skin, so when they are in some high overload movements the surface could be pressed heavily by air, which could lead to some temporary deformation could be observed by the naked eye, but once the flight back to normal and the stressed got relaesed, the skin will reform back to its original smooth surface

I really don't know but it appears to be taxing so I don't think that is it. Anyway Bltizo responded to this and if he doesn't see anything I don't think I can really point anything additional out.

I would of course assume when it comes to production quality that China would be approaching world-class levels, and even if it wasn't a decade ago with the J-20s first flight, it is now.

Was just an amateur curiosity based on what my eyes picked up. Everyone can ignore the comment.
 

Tirdent

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I think it's just an artifact of the editing - the discrepancies on the left (viewer's PoV) are in those areas where objects in the foreground (nose landing gear, NLG door) used to obscure the belly surface. So it's essentially benny's conjecture of how the fuselage contour would look like there, and he doesn't seem to have got it quite 100% consistent with the right hand side. That's all.
 

sinophilia

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I think it's just an artifact of the editing - the discrepancies on the left (viewer's PoV) are in those areas where objects in the foreground (nose landing gear, NLG door) used to obscure the belly surface. So it's essentially benny's conjecture of how the fuselage contour would look like there, and he doesn't seem to have got it quite 100% consistent with the right hand side. That's all.

Yep, also this part was edited out by accident in the after which caused more of a distortion:

1618546538119.png
 

foxmulder

Junior Member
Is the bottom body of the aircraft supposed to look that asymmetric or is that due to quality/precision issues? No idea, I'm just asking since it looks quite off.


*obviously* it is photography. how can you think it maybe a quality issue? LOL. J-20 surface is like silk.

Aircraft looks dead on but it is slightly angled therefore you barely can see the back of engine housing which is slightly curved for the left engine. !
 

sinophilia

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*obviously* it is photography. how can you think it maybe a quality issue? LOL. J-20 surface is like silk.

Aircraft looks dead on but it is slightly angled therefore you barely can see the back of engine housing which is slightly curved for the left engine. !

Obviously it is photography? I swear I thought it was a painting.

No shit it's photography, and a few of us spent some time analyzing why it looks the way it does. Only 'obvious' to people like you.
 

Blitzo

Lieutenant General
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Obviously it is photography? I swear I thought it was a painting.

No shit it's photography, and a few of us spent some time analyzing why it looks the way it does. Only 'obvious' to people like you.

I believe in giving fair answers to honest questions for the sake of expediency. In this case, myself and a few others were okay to entertain the question and give frank answers.

But at the same time I think there are also certain questions that sometimes can either be answered by one's own research if the question itself might be a bit odd or "obvious".
Alternatively, if a certain question that is "odd" or "obvious" is asked, you also open yourself up to fair game to others pointing out that a question is said "odd" or "obvious".


The question itself about whether a deliberately altered picture had the entire ventral side of an aircraft like J-20 look "asymmetrical" is one that could've been answered by looking up some of the many pictures we have of J-20 from the frontal aspect or other aspects where the flatness/symmetry of its ventral fuselage could be determined.
OTOH, the very idea of J-20 possibly having an asymmetrical ventral fuselage of that large scale/magnitude due to "quality/precision" issues should've raised also some alarm bells to begin with and perhaps not passed the smell test, meaning the question itself is also fair game for criticism if it's ventured to asked.


I.e.: sometimes there are questions where an answer can be acquired through a bit of one's own simple legwork.... and sometimes there are questions where you have to accept that if it's asked that it may open you up for criticism for asking it in the first place because it was so odd. The judgement for that will be learned with time.
 
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