J-20 5th Gen Fighter Thread IV (Closed to posting)

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Air Force Brat

Brigadier
Super Moderator
i appreciate your comment, and i was not meaning to bring up the point you aforementioned

i just want to see the girl in her best party dress, WS-15 that is



now that would be a shocker

agreed on both counts ace!

Hey player I got to turn the page on this one, what do you think the big change is on 2003 bro?
 
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Engineer

Major
Yeah, probably the old NIH syndrome, I know you're a CAC man, and I'm kinda a SAC man, but for those of us not privy, can you give us an overview of the SAC work? Thanks, AFB

It has always been known that SAC worked on the aft fuselage of the J-20. What is more murky is whether the work involved external aerodynamics or strictly internal structure. From what I have read, the latter seems most likely to be the case.
 

Player99

Junior Member
agreed on both counts ace!

Hey player I got to turn the page on this one, what do you think the big change is on 2003 bro?

Well, for starters, I got to say that you, bro, has taken my place to become the honorable Thread Page Turner of the Glorious Sinodenfenceforum! ;)
 

Munir

Banned Idiot
I hear many people saying that the round conventional exhausts are low tech... I disagree with that. If you move away towards the F22 exhaust then do not forget that one will lose a lot of performance power by changing design. So what do you prefer? improvement of the RCS from your 6 o clock or loss of huge power? I rather have the philosophy that you do not want anyone on your 6 o clock! If you come that close you lost your stealth advantage. So? J20 and J31 exhaust are not that bad as many want to suggest.
 

latenlazy

Brigadier
I hear many people saying that the round conventional exhausts are low tech... I disagree with that. If you move away towards the F22 exhaust then do not forget that one will lose a lot of performance power by changing design. So what do you prefer? improvement of the RCS from your 6 o clock or loss of huge power? I rather have the philosophy that you do not want anyone on your 6 o clock! If you come that close you lost your stealth advantage. So? J20 and J31 exhaust are not that bad as many want to suggest.

I don't think the performance loss is so big that the option can't be considered. As a defense first fighter the 6 o'clock is not very important, but for missions that require deep penetration across unfriendly lines the 6 o'clock is very important.
 

MiG-29

Banned Idiot
View attachment 7357
According to CCTV:
View attachment 7358
J20
Total length: 20M
Empty weight: 17 T

J31
Total Length: 16M
Empty weight: 12 T
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i have to say the J-31 numbers do not surprise me


Eurofighter is a 10 tonnes fighter and the older MiG-29 a 10.9 tonnes, so a 12-13 tonnes was expected.

However J-20 seems to be light 17 tonnes is almost what Russia claims for T-50 and smaller than PAKFA, hard to believe that.

However the numbers are rounded and probably not official numbers similar to this video
[video=youtube;qzt7uaNBrI4]http://www.youtube.com/watch?v=qzt7uaNBrI4[/video]

but who knows
 
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Air Force Brat

Brigadier
Super Moderator
i have to say the J-31 numbers do not surprise me


Eurofighter is a 10 tonnes fighter and the older MiG-29 a 10.9 tonnes, so a 12-13 tonnes was expected.

However J-20 seems to be light 17 tonnes is almost what Russia claims for T-50 and smaller than PAKFA, hard to believe that.
but who knows

Can you say F-22sky boys and girls? I think the boys and girls would agree?
 

leibowitz

Junior Member
I don't think the performance loss is so big that the option can't be considered. As a defense first fighter the 6 o'clock is not very important, but for missions that require deep penetration across unfriendly lines the 6 o'clock is very important.

This. The J-20 is a light strike bomber--basically a bigger, longer-ranged, and marginally more expensive F-35. The J-31 is an air-superiority fighter--basically a smaller, shorter-ranged, and somewhat cheaper F-22.

In PLAAF missions, I'd expect to see the J-20 used to launch standoff strikes against high-value targets under conditions of air parity or even air inferiority. The J-31 would be used more in the role of air-superiority first, and some CAS if necessary.
 

Air Force Brat

Brigadier
Super Moderator
This. The J-20 is a light strike bomber--basically a bigger, longer-ranged, and marginally more expensive F-35. The J-31 is an air-superiority fighter--basically a smaller, shorter-ranged, and somewhat cheaper F-22.

In PLAAF missions, I'd expect to see the J-20 used to launch standoff strikes against high-value targets under conditions of air parity or even air inferiority. The J-31 would be used more in the role of air-superiority first, and some CAS if necessary.

These assertions are highly speculative and out of touch with Dr. Songs specific concerns in developing the J-20 to basically achieve parity with the F-22, to assert otherwise is to ignore not only his position paper, but the design of the J-20 as well, and while it is rather obvious that the J-31 is designed as a nimble air-superiority aircraft, it will likely complement the J-15 on Naval duty, IMHO, not necessarily compete with the J-20 as a PLAAF aircraft. Cheers AFB
 
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