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06.13.2009, 12:39 AM
2200kv is good for lower volt operation, while lower kv is good for HV. Shoot for about 35000rpm. You get rpm like this: rpm=kv*battery voltage (not amt. of cells) each cell is 3.7v, so for a 4s pack the voltage would be 14.8v and for a 5s it would be 18.5v. Got it?
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