PREVIEW
... > Su-47 is a fighter that failed verification and was not installed.
The key issue is the cross-age forward-swept wing design.
Wing tip flutter and aerodynamic divergence.
These two problems are problems that cannot be solved by current science and technology.
Even if the forward-swept wing has various benefits, if it cannot solve these two problems, it is useless.
Once flying at supersonic speed, it is easy to disintegrate.
Everyone know ...
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