If you are trying to say it is not so, then kindly go to the international defence related articles who
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039A's Stirling AIP module
Stirling engine principle of machine
kilo and song are the 2nd Generation submarines
yuan is the 3rd Generation submarine
I fully agree Sir, i did not said it is 2nd gen or that it is a copy of Kilo or something else. I meant to say that it is a more advanced submarine with some physical features resemblance to Kilo and Song, and capabilities making it a 3rd generation of Chinese Subs. There is nothing bad in saying it has Kilo influence or Song, as it has the best of both and added to that its own capabilities making it better then the other two.