fallstuff
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That was a very short landing !The engine speeds on the newer Herky Bird J and H models are perfectly coordinated. You can tell that the props are perfectly sync'ed when landing and when the prop pitch is reversed to aid braking. This is in contrast with older A and B series birds which had mechanical governors and the four props were not sync'ed in any way.
This is what FADEC (Full Authority Digital Engine Control) does.