J-20 5th Generation Fighter VII

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by78

by78

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One nice image for the weekend.

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YVHunter

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weig2000 said:
To commemorate the sixth anniversary of J-20 entering active service (by official press release anyway), it's interesting to note the significant change of the tune of western reporting on J-20. The following report is exhibit A of the change.

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It's from Fox News I know, but still pay attention to the quotes and by who; they're pretty representative these days.

The biggest change is that J-20 is no longer to be denigrated as a fifth-generation-stealth-fighter-wannabe with dubious stealth characteristics and inferior engine incapable of super cruising, or a one-trick pony long-range interceptor disguised as an air superiority fighter.



That's quite a change. In fact, a compliment in my view.

There is even implicit recognition that the Chinese have come a long way to equip J-20 with advanced aircraft engine.



Of course, it's not the nature of American and American media to acknowledge China or any other countries' such achievements in a domain where they believe only the US excel and should. Much of the report focuses on how China steals technologies from the US to get where it is today with J-20. This in itself is not terribly new these days. That is, instead of claiming China is innately incapable of innovation merely less than 10 years ago, the more prevailing practice today is accusing China of stealing from the West, particularly from the US. That's a subtle acknowledgement that often Chinese technologies and products are among the world's best. I call it a progress.

But this report goes a step further than simply accusing China of stealing technologies. It effectively indicts Chinese culture for philosophically encouraging stealing.



I'm quite impressed. This professor can even quote the saying ”窃书不算偷“ ("To steal a book is an elegant offense") by the protagonist in the famous satiric novel KongYiJi by author Lu Xun. That's not a saying by Lu Xun, by the way.

In the end, the mood of the entire report can be boiled down to the final paragraph:
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>Matt McInnis, senior fellow for the Institute for the Study of War's China program
opinion: discarded
 
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tamsen_ikard

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One question I have, J-20 has a delta canard design. So far what I have read about planes, delta canard designs are considered to be much more maneuverable than traditional wing layout.

So, Does that mean that J-20 actually chose a delta canard design to be actually more maneuverable compared to say the J-35?

So, instead of sacrificing agility for more stealth, they might have actually chosen to make a more agile plane than a traditional layout which perhaps would have been a less risky move in terms of simply copying a proven design like the F-22.

And if thrust vectoring and higher power is added with WS-15 it should be super maneuverable similar to SU-35/SU-57 or even more maneuverable.

Plus, if you look at the size of the canards in the J-20, they are huge compared to the overall plane. Much bigger than other delta canard planes like Rafale, J-10 and so on. Usually the bigger the control surface, the more maneuverability there should be. So, j-20 should have even more maneuverability due to canard size.
 
TK3600

TK3600

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Just a thought, what if one day J-20 integrate a R37 like very long range missile? What are the merit to such set up?
 
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tamsen_ikard

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TK3600 said:
Just a thought, what if one day J-20 integrate a R37 like very long range missile? What are the merit to such set up?
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They already have a missile like that called PL-21/17/XX. But its too long to fit in the Internal Bay. J-20 actually has a small internal bay compared to the size of the plane. Plus the two bays are size by side. So, it cannot fit long missiles like those big anti-ship or cruise missiles.

This is one of the smart things SU-57 has done by putting their bays length-wise. They can fit really long and large missiles like the kinzhal or r-37 by using both bays at the same time.
 
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