when i give it some throttle, and i reach maxium haed speed before i lift off the ground, my trex gets insane vibration, so much it will move 1ft on concrete or tip in the grass...idk what it is..battery is tight, everything is sturdy and hunkerd-down and so ill just get off fast and it will lfy perfect but i do see some vibration in the skids so idk what that is...too set a good idle up on the DX7, what should i set the throttle curve at and pitch...for pitch 10-0-10 and idk about throttle?...so lmk..thanks ALOT!!