Originally Posted by Tuomo
Flap flex is alarming. This was in almost zero wind with good servos (DS3288) and not too sloppy linkage. Ailerons have obviously much less flap.
Yes, that's what usually happens. Slop in linkages is typically not a factor. One of the problems, as someone on RCGroups pointed out, is that we generally use very thin gauge wiring, and so the servos "thirst" for current cannot be adequately quenched.