J-20 5th Gen Fighter Thread VI

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Air Force Brat

Staff member
Super Moderator
It is not as simple as sticking a new engine on a flanker. With the higher thrust, the entire plane must be re-designed to strengthen the body. It must go through extensive testing.
The question is, is this the best use of resources? I think it is better to just produce more J-20s with all this resource instead of upgrading a flanker with a new engine.
Yes, while it relatively simple to increase thrust by raising temps in the hot section, those parts need to be upgraded to handle that increased temperature and thrust...

Attempting to install the WS-15 into any of the Flankers will be a complex undertaking due to the increases diameter of the hot section.
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