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Old 04-01-2014 | 03:58 PM
  #5  
SharpProp
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Joined: Dec 2007
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From: Dorchester, IL
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I know you want a 4 stroke, but I have a OS 1.20 AX and I have no regrets. It's a monster. And it balances nicely with a receiver battery just behind the firewall. I use hitec 645MG servos in my bipe.