Unlike their Shenyang J-15 Flying Shark -a duplicate of the Russian Sukhoi Su-33-the recent Chengdu J-20 stealth fighter seems a replica of the yank stealth fighters, with some lambda wings attached. It was secret. Not anymore.
The 70-feet Chengdu J-20 seems to take advantage of Russian 32,000-pound thrust 117S engines with vectoring abilities. It looks a twin of the F-22 Raptor , but larger. Probably that implies lower agility, but more weapons and fuel. After all, copy or no copy, the Chinese keep build up their arsenal . [ Aviation Week ]
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