ChineseTiger1986
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Two things.
1. Search for 'TBO of WS-10A Engines'.
2. J-10A crashes and reasons.
Then ping me again for further discussion and clarifications.
All J-10A use the AL-31FN engine so far, only one prototype of J-10B uses the WS-10X engine.
![Coffee :coffee: :coffee:](/styles/default/xenforo/smilies/cute/coffee.gif)
![J-10B_1035b.jpg](/proxy.php?image=http%3A%2F%2F1.bp.blogspot.com%2F-t0486HtL6YQ%2FUAi5hMFwYeI%2FAAAAAAAAAD0%2FkOu6vby8-m4%2Fs1600%2FJ-10B_1035b.jpg&hash=55a2deb5505303466799ce28228fee31)
So you mean there won't be Russian engine in the j20.
Russian engines will be only used on Protos and for R&D
The first prototype of J-20 appeared in December 2010, it seemed to have equipped with the modified version of AL-31 series.
![582518-j-20-composite.jpg](/proxy.php?image=http%3A%2F%2Fresources2.news.com.au%2Fimages%2F2011%2F01%2F05%2F1225982%2F582518-j-20-composite.jpg&hash=3c0cbf004b830b9986a4770566a3d8eb)