HAVING A PROBLEM WITH MY 110 NOT REALLY VIBERATING BUT I WOULD CALL IT OCILLATING.THE WHOLE HELI START TO OCILLATE

I CRASHED IT BUT I THINK I GOT EVERYTHING FIXED. THE MAIN SHAFT IS STRAIGHT THE ROTORS ARE BALANCED THE BEST THAT I CAN.I PUT 1 POUND OF WEIGHT ON THE SKIDS TO SIMULATE WHAT IT WOULD FLY LIKE IF I CHANGED IT TO ELECTRIC AND IT REALLY OCILLATES BAD. SEEMS LIKE THE MORE RPMS THE WORSE IT GETS. CAN ANYBODY HELP. THANKS RON