Are you flying with ESC's at the end of the booms? If so is there any noticeable difference?
I've noticed a lot more MR's with the ESC on the end of the booms, I've also been watching a friend who built a large OCTO, 23" props, 380KV motors (I think) and CC ESC's on the end of the booms with a DJI A2, it flies really well but it crashes even better.
To me it looks like the props are spread way too far apart and it goes into what I can only describe as this strange oscillation, not like too high a gain, it starts of small and then quickly increases until it toilet bowls into the ground. It looks like the A2 is trying to compensate for something but can't keep up, so is it the A2, is there some sort of power fluctuation because the power leads are so long to the ESC?
Of coarse I don't care about the A2, I'm using the SuperX but I was wondering if you've seen this sort of thing.