sctcrash, i have all the slop out of mine(central hobbies carbon fiber w/dubro balls) and my control surfaces have always fluttered when on the ground, i think that once airborne its not reverberating off the ground, i have no problems in the air, hope this helps.
CEEGEE!!!! put that magnifying glass up

(thought i had those wires mirrored good)[X(]
my wife wont let me hook her up on the trainer box