Is this "weathervaning effect" caused by your leftward relative motion
due to the left bank OR by the rightward crosswind ITSELF?

I vote for the crosswind. On a taildragger, where the CG is behind the
mainwheels, you are always concerned about the effect of a crosswind
on the fuse and tail. This is as true on takeoff as it is on landing,
and it is true when there is no relative motion (because the tires are
still on the ground).

all the best -- Dan Ford
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