IMO the key feature to know if this plane will be successful or not is it weight.
And right now, it looks heavy
I recall saying in the pakfa thread that russians had better to design (IMHO) a delta wing for a medium/light airframe, and this is confirmed, since the pakfa is ‘smaller’ than the su-27 (said by its test pilot)
I recall that if russians wanted to design a heavy class fighter , they better had to go with the su-27 wing, later I found that diagram for a clearly heavier fighter with f-22’s like intakes, faceted flanker nose, and su-27 wings.
It was logic
the J-20 has a delta and seems to be a heavy plane…
Is not a good sign IMO
Anyways let’s wait and see, people here is so much worried for the stealth thing, and probably some chinese engineers are thinking that this plane is doomed from the beginning because more mundane factors (ie, real life)
Of course, if the program is aiming a fighter
if I remember correctly, J-10’s 1st prototype was with in 100 kg of its designed weight. the same team that does J-20 now has gone through now 2.5 programs (J-10, FC-1, J-10B), in less than 20 years. I would guess the probability that it would be overshoot its weights target would be kinda low.
planeform area may look deceptively small. and its sides are broad single wedge, and with an top wing design. thus give one the impression of “heavy”.
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