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Old 09-17-2013 | 05:06 PM
  #11  
Solman
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From: Glendale, AZ
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You said you have the Pro, but running a 1220 kv motor. So I suspect you are actually flying an CF or ESP. One thing to look at is make sure your main gear and tail gear are not touching. I had a bad one-way bearing and allowed the two to touch with very bad results. Do you have a belt drive or TT?