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Chengdu J-20 5th Generation Aircraft News & Discussions

That's WS-10G, not AL-31.

No they are still using AL-31 variants on the J-20. As a matter of fact the first batch of J-20s to enter service will probably use Russian engines. There is no logical reason to complicate the testflight process with interim indigenous 4th gen engines. WS-15 will be mature by 2020.
 
No they are still using AL-31 variants on the J-20. As a matter of fact the first batch of J-20s to enter service will probably use Russian engines. There is no logical reason to complicate the testflight process with interim indigenous 4th gen engines. WS-15 will be mature by 2020.
Why would first batch of J-20 enter service uses AL-31 engine? You think J-20 is J-10B? Stop yr naysaying. J-20 is a high priority project. At worst, it will uses a domestic engine. We have seen WS-10 engine uses on J-11B and J-16. J-20 operational batch will definitely uses WS-10 engine.
 
According to rumors, new engines with F-35 style serrations may have been installed. The fact that we have seen '2011' from several different angles but do not have a single clear picture of the engine nozzles is suspicious in and of itself. Why 'striptease' something as trivial as AL-31?
 
And from Chinese forum, the witnesses heard a different engine sound very distinctively from the usual AL-31. All this indicate it will be a new type of engine.

I find it stupid that someone will mention J-20 will enter service with AL-31 engine.PLAAF commander will be idiotic to accept the requirement of using a under power and foreign engine for its top end fighter. Fortunately, that is not the case.
 
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