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  1. tntpoof

    Difference between a 2s and 3s LiPo

    kv is say 4000kv and your running a 2 cell so thats 8.4 x 4000+ no load rpm or 33,600 revolutions per minute..now go down to 8 thats 32000 rpm i like to use the 8 to determine my fdr (whats that? ) final drive ratio.. very important when your trying to dial a rc car in...
  2. tntpoof

    Difference between a 2s and 3s LiPo

    Kv is rpm per volt...so a 800kv motor on 1 volt will turn 800 revolutions a minute.. or at 8.0volts it will turn 6400 rpm.....
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