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Old 09-26-2017, 07:59 AM
  #7  
aspeed
 
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Join Date: Jul 2011
Location: Ruthven, ON, CANADA
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The Big Migs just have holes for the bypasses. Maybe you could just mill them into slots. IDK, just shooting ideas. Some had chrome, some had some other coating. I checked rpms on a Big Mig .15 and the BB one, and it was only 1,000 rpm difference, so maybe the porting is not such a big deal. (or the bearings) I have not played much with the .049 ones. I did have trouble more with the AME ones, some would not run at all because of the huge control line carb, plus they liked little props. I necked down the carbs to 1/8" dia? for my purposes. (little combats on suction)
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