gambit
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Unbelievable...See post135190.This claim is false. I am a member of SinoDefence (with 586 posts) and I've read every single post on the J-20, except the ones posted in the last 30 minutes.
Flight control laws ring a bell?If there is actually such a feature, but it doesn't seem like the case. Recall the picture of the J-20 turning with the left rudder fully deflected. If there is a ground control law, the computer would have realized the aircraft is not flying and it would not needed to deflect the rudders at all. Also, watch videos of J-10 taxing and you will see the canards deflect to compensate for change in pitch-rate as the landing gears go over uneven surface. Again, if there is a ground feature programmed in, the computer would know that the aircraft is taxing and there would be no need to deflect the canards. Therefore, I highly suspect that the control law being used on the ground is the flight control law for the lowest speed.
Do not assume that flight computers have the same situation awareness as the pilot does. Think of these computers as calculators. Flight control laws are nothing more than implementation of mathematical equations that relate flight controls deflection to pilot's inputs. If you can't formulate the equations, you can't make the flight control laws.