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SAC FC-31 Stealth Fighter: News & Discussions

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J31 will be Chinese politcal tool for this incomming decades, we will have somthing to offer to South America, Middle East and Africa...if it meant for export. US F-35 will certainly have a competitor...this will not only enhance Chinese geopolitcal leverage but a good source of income.
 
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Low IR for exhaust is not a very critical in nowadays modern warfare. Seeker of missile are getting more and more sophisticated with digital.
Iraq Mi-35 fitted with IR supression was still locked on by China modern MANPAD FN-6 and got shot down by ISIS.

Low IR Signature is also very important part of 5th gen planes even advance IR WVR missiles like Python-5 can't engage F-22s (5th gen plane) how a MANPAD can do that? A 5th gen jet is totally different in class from its predecessors.

Did ISIS is able to shoot down a A-10 or Apache with those it yes then I will believe that those MANPADS are capable to be threat for 21st century level air power. ISIS is unable to bring down any US jet till now who are bombing on them.
 
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Low IR Signature is also very important part of 5th gen planes even advance IR WVR missiles like Python-5 can't engage F-22s (5th gen plane) how a MANPAD can do that? A 5th gen jet is totally different in class from its predecessors.

Did ISIS is able to shoot down a A-10 or Apache with those it yes then I will believe that those MANPADS are capable to be threat for 21st century level air power. ISIS is unable to bring down any US jet till now who are bombing on them.

With more and more advance digital IR seeker introduced. I highly doubt the claim by F-22. F-22 purpose is to always avoid WVR while engaging enemy at BVR. The low IR requirement is more for countering low grade IR WVR missiles.
Iraq Mi-35 are fitted with IR suppression and yet it did not save it from more advance digital FN-6 seeker. This is a truth fact.
 
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Only 1 prototype? Looks like it's a demonstrator or a low priority project.
 
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China Military Online English Edition


J-31 stealth fighter to appear at Zhuhai air show

(Source: China Military Online) 2014-10-23

  BEIJING, October 23 (ChinaMil) -- Over 130 aircraft of various types will participate in the 10th China International Aviation & Aerospace Exhibition to be unveiled on November 11, 2014 in Zhuhai of south China’s Guangdong province, and the J-31 stealth fighter will also appear in Zhuhai and conduct a demonstration flight, according to Nanfang Daily.

  The J-31 stealth fighter is very likely to be put into mass production within five years, and has a big chance of being a carrier-borne type, said Xu Yongling, aviation expert, in an interview.

  It has been just two years since the successful maiden flight of the J-31 in 2012. As a fighter under test, the J-31 is now in the primary stage of performance development.

  “It is still difficult for it to give a demonstration flight, but as an export-oriented aircraft, it may showcase itself by appearing and making a sensational effect at the air show,” said Xu Yongling.

  In the opinion of Xu Yongling, the J-31 is a low-end version of the fourth-generation warplanes. With China's talent and technology advantages gained from its development of the third-generation warplanes, it is possible to realize design finalization and mass production of the J-31 within five years.

  The engine has been a disadvantage in the aviation technology field of China. “But this disadvantage is being made up for, and there will be good news soon,” said Xu Yongling. New products will appear in fields of high-thrust engines, medium-thrust engines and small-thrust engines in China. Such primary models as the J-31 will definitely be equipped with domestically-made engines, so that it is possible for China to cease its heavy reliance on the import of engines for its major models.

  Xu Yongling also pointed out that for the carrier-borne aircraft in various countries, it is the general trend for stealth fighters to be commissioned on aircraft carriers, but the possibility of using the fourth-generation warplanes to completely substitute the third-generation ones is small. The aircraft carrier fleets mainly equipped with the fourth-generation warplanes and the aircraft carrier fleets mainly equipped with the third-generation warplanes will appear simultaneously in future.

  "The J-31 is very likely to be commissioned on the aircraft carrier, but no news concerning the compatibility between the J-31 and carrier-borne aircraft technology is available now. Therefore, it is estimated that the J-31 will be commissioned on the aircraft carrier later than it is commissioned into the troops," according to Xu Yongling.
 
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I think the fact, China are confident to showcase real flying J-31 for export means all the neccessary components are ready. That included WS-13 engine. True to AVIC vice president words in Singapore Airshow 2014 that WS-13 engine will be ready in 1-2 years time.

In fact, recently we discovered some changes to the engine exhaust of J-31 that may suggest fitted with different type of engines. Maybe WS-13 engine has already onboard for tested on J-31. Without domestic engine, it will be impossible for J-31 to be order by foreign customers and I do not think AVIC lack such forsight in trying to sell their product.

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I heard from Airforce sources that J31 behind the eyes of Pakistan Airforrce think tanks... let see...
 
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