In my opinion the source of most ground handling problems is a case of PIO and requires close attention to the far end of the runway. It is all too easy if there is a bump or distraction, to shift attention to the foreground and then PIO will happen.
After a considerable amount of both smooth and wild taxi and landing trips, I find that ALL of my problems have been due to a dragging brake on one side (left in my case). Without a dragging brake, the Q2 is a docile animal that tracks straight down the runway.
Larry Severson Fountain Valley, CA 92708 (714) 968-9852 larry2@...