3 ms·
It's not a matter of time, since Western (and Russian) engine manufacturers aren't standing still. The WS-15 has been in development for over 25 years, and stil
by greedo 6y ago
It's not a matter of time, since Western (and Russian) engine manufacturers aren't standing still. The WS-15 has been in development for over 25 years, and still isn't ready for primetime in the J-20.
- coopsmgoops 6y agoSounds like it's a matter of a lot of time