Most of the higher math is way over my head, and this is a fascinating subject for me. My train of thought may be way off, but it seems to me that the forward motion of the aircraft introduces an inertial force that whatever combination of gyroscopic precession and P-factor are less able to overcome as the airspeed increases, which would be a reason (among others) that the effects are more apparent during take-off, or at other times when the aircraft is at high-power / low airsped conditions. Anything to that?