What's up everyone. Well, I have been asked time and time again what the KV means on the side of a motor. Well, this video will explain it really quickly. It's a simple equasion that you can use to figure out your head speed as well.
Pretty much, if you have a 3500kv motor, then that means it will turn 3500 rpm if only 1 volt was applied and it was running at 100% efficency. Lets face it though, nothing runs at 100% efficency, so in these, we are using 80% to be safe. If you want, you can use 90%. Below is the equasion.
Confused yet, don't be.
kv= the kv rating of your motor
v= the voltage of your battery
m= main gear teeth
p= pinion teeth
If you use this equasion, you can figure out what kv motor you need for the perfect head speed, and with what pinion without ever buying a motor before hand.
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