J-20... The New Generation Fighter III

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Blitzo

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Posted over on CDF by =GT

A nice new years present
HRRRRNNNGGG HRRNNG

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Air Force Brat

Brigadier
Super Moderator
If you go by the official lines all PLAAF fighters are intended for "air defense" or "protection of homeland".

That is correct siege, and that is the way they play the game, we try to be honest with our people and they would prefer a quarter pounder with cheese and extra ketchup or catsup. Myself I'd like another 750 F-22s please, and hold the pork! Those shots are lovely and from an angle we haven't seen, unfortunately there are still unbelievers and dreamers, those who, all they want for Christmas is a UCAV.
 

Air Force Brat

Brigadier
Super Moderator
They do appear rather more attractive with the gear up and being cranked around like a real fighter aeroplane don't they. The more they fly it, the more credible it appears. I just spent 35 dollars on an air hogs helicopter with a working winch, its controllable and flys quite well. It is small, but it hasn't been long that the only r/c chopper was 600-1000 dollars, difficult to fly and very rare. That my friend is design excellence, and it looks good flying and is practically bullet-proof.
 

Air Force Brat

Brigadier
Super Moderator
If you check out Gollevainen's Quizz of the week, Jeff Head posted some pictures of an F-15 tech demonstrator that had been fitted with canards and thrust vectoring prior the the ATF. The canards on the McDonnell aircraft were also fitted with an extreme amount of dihedral to keep turbulent flow off the main wing, so as to keep that airflow attached to the upper wing surface, in order to achieve very high angles of attack, and very quick turn rates without departure of that airflow and disruption of lift. The J-20 has a very similar planform to the Pak-Fa drawings of several years ago. The Russians have gone with a simpler planform on the flying models of Pak-Fa, that strongley resembles Flanker and the Raptor, I say this simply to illustrate that both designs are promising, but when you commit to one, planform or the other there are strength and weaknesses. I personally think the conventional Flanker/Raptor platform is more agile and stealthy, there are others who disagree, the real chanllenge is to integrate extremely hign performance, in a stealthy low observables platform, that retains L/O even under loaded combat conditions. The results have been stunning, the failures have as well, but in the end the manned ATF is today and likely to be in the foreseable future an amazing tactical weapon defensively and offensively. We must not rely on almost good enough, when our opponents are pressing upward to the true "high ground".
 

latenlazy

Brigadier
If you check out Gollevainen's Quizz of the week, Jeff Head posted some pictures of an F-15 tech demonstrator that had been fitted with canards and thrust vectoring prior the the ATF. The canards on the McDonnell aircraft were also fitted with an extreme amount of dihedral to keep turbulent flow off the main wing, so as to keep that airflow attached to the upper wing surface, in order to achieve very high angles of attack, and very quick turn rates without departure of that airflow and disruption of lift. The J-20 has a very similar planform to the Pak-Fa drawings of several years ago. The Russians have gone with a simpler planform on the flying models of Pak-Fa, that strongley resembles Flanker and the Raptor, I say this simply to illustrate that both designs are promising, but when you commit to one, planform or the other there are strength and weaknesses. I personally think the conventional Flanker/Raptor platform is more agile and stealthy, there are others who disagree, the real chanllenge is to integrate extremely hign performance, in a stealthy low observables platform, that retains L/O even under loaded combat conditions. The results have been stunning, the failures have as well, but in the end the manned ATF is today and likely to be in the foreseable future an amazing tactical weapon defensively and offensively. We must not rely on almost good enough, when our opponents are pressing upward to the true "high ground".
Which Pak-Fa drawing?
 

MwRYum

Major
Interesting....So it not an 'Air Dominance Fighter' but an 'Air Defense Fighter'? Sounds a bit like an interceptor.....
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To fulfill air dominance role means to have the ability to conduct missions beyond China's borders, that needs more then the aircraft itself, support and doctrine need to be suitably adjusted as well; but in the light up to the next decade's time, China's still aim at secure its own airspace.

Project 718 is still far from combat worthy, just there has yet been any weapon integration test would speak volume to this. What truly remarkable for Project 718 is to make the West re-evaluate all their intel and analysis upon China's defense and military-industrial complex - see, there're more and more Chinese come to see the West's embargo an blessing in disguise, for China would've no incentive to DIY if everything is readily available in market, essentially you'd have an "India model" here (the "if failed, there's a backup plan - import" situation).
 

Engineer

Major
If you check out Gollevainen's Quizz of the week, Jeff Head posted some pictures of an F-15 tech demonstrator that had been fitted with canards and thrust vectoring prior the the ATF. The canards on the McDonnell aircraft were also fitted with an extreme amount of dihedral to keep turbulent flow off the main wing, so as to keep that airflow attached to the upper wing surface, in order to achieve very high angles of attack, and very quick turn rates without departure of that airflow and disruption of lift.

I'm glad there is yet another person who recognizes this. Certain member kept arguing that it is the root of canard and wing that matters. I lol'ed.
 
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