Originally Posted by Arcteryxxx
Possible conclusion: the sawtooths produce a faster airflow over the flaps than the GM...
Like 27kph faster! - http://www.rcgroups.com/forums/showp...&postcount=179
Resonance could be the reason but the extra speed is my bet. Eliminating all slop would still have to be the first action even if that means swapping out servos.