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  1. #1
    RC Enthusiast
    Join Date
    Feb 2015
    Posts
    47

    Lightbulb Hw fast with 21 or 29 tooth pinion?

    I was wondering how fast the xo1 would go with 2 traxxas 3s lips, unlocked, with a 21 or 29 tooth pinion. I also would like to know what pitch these have to be... I also am wondering if my engine would get too hot running a 29 or 21 tooth pinion in there. (stock spur)
    Mini e revo 2010

  2. #2
    RC Enthusiast
    Join Date
    Feb 2013
    Location
    MA
    Posts
    29
    Pitch is Mod 1.

    With the stock spur, the 14T pinion provides 50mph and 34T provides 100mph roughly. My estimate would be 21T = 67mph and 29T = 85mph

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