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All of your calculation assumed the plane can pull an "ideal cobra the aircraft retains its height" at speed like M0.7. Theoretically it would be possible if and only if the plane have extremely bad lift quality. Think of it this way, by definition a cobra would require the plane to transition...

You can't do Cobra at high speed period. The g-load would be way above 10g, even if the plane doesn't disintegrate the pilot would break his spine....

What if that friend of yours get to be the one driving J-10C :-)

you know what would be fun? If J-10C gets to fight F-16 we can set up a betting pool, wanna put your money where your mouth is?

No news yet I guess...

J-16 is indeed superior, however there are significant political huddles for China to start exporting flanker derivatives.... Maybe when the case can be made that Russia 100% would not sell to Pakistan then there might be some possibilities.

I agree you need a long range naval strike platform, aside from the obvious use against IN, it also offers an option to threaten Indian SLOC that is more efficient then subs. If not JH-7 then something along the line of Su-30 or Su-35, you need that capability.

http://live.weibo.com/show?id=1042152:212dc53f5a9be11c4410b0f49abde738

Watching JF-17 live show right now, what a agile bird! Not too shabby compared to her CAC sisters, Paf pilot has done a great job!

Good point, a new 5th gen is more likely to use EOTS like J-20. I don't know the answer to that.

We were discussing this back in Chinese BBS, I believe CAC is more likely to design a brand new aircraft than to modifying J-10. The Chief designer of J-20 Yang Wei once publicly state that it is extremely difficult to convert non-LO platform into stealthy platform, every rivet counts he said.

Just to add on your points: J-31 represents a class of 5th gen that utilize conventional layout, and if we were to further group up 5th gen conventional layout medium/light fighters, we find the likes of J-31, F-35, TFX (C100), KFX and Shinshin. If you compare their top view you'll find they...

Just a few words on J-31 and AZM in general. I'm sure any potential customer of Avic would be given full test data involving flight envelope/rcs/subsystem ...etc, and PAF will choose the most optimal solution accordingly be it CAC/SAC/TFX...etc. It's not like Avic can dupe PAF into buying...

So you just accept whatever opinion however biased they maybe instead of thinking for yourself? Let me tell you the truth, you pick what you want to believe, if you own up to it then you have the chance to become a better person. All of my arguments have been based on physics and logic while...

You are just repeating your feelings over and over again you realize that? Do you have any thing concrete to say or you just want to say the last words? Your contempt for my country is clearly showing, I don't know what is your issue but it's fine by me. Your opinion does not matter.

You do realize smaller wings = lower drag (keeping all other parameters constant) for both skin and wave drag right? That is like aerodynamics 101. I've offered to give you a little talk in aerodynamic, now I decide not to, because I fear I might need to start from newton's laws. The right...

I will give you a response despite my better judgement. Those numbers I quote are quite well known coming out of Avic presentation in Zhu Hai air-show. I would have dig up the link for you, but then I just decided I am too lazy for that, you can use the search function on the internet. Please...

Look, for an engine to increase max thrust fro 80kn to 105kn is quite a substantial claim, the least you can do is provide some valid link instead of pointing me to some id I don't know, it's called basic respect. Now, to compare TWR of J-31, it has empty weight of 13.5 tons, assume 5 tons fuel...

I see you keep coming back to mirage, as I've explained there're pros and cons with highly sweep back delta wings. Pros: Low wing loading, low transonic drag, good for high speed high altitude. Cons: Shallow lift vs AoA curve, that means to pull high-g they tend to need to pitch into high AoA...

You mean like F-35 side bay? They don't necessarily offer more volume, may have more depth since they don't have to compete with air-intake for thickness. My ideal design would be a single-engine delta canards with very thick wing-root/wing-blending section for internal bay and it also provides...