So, What Does the KV Mean in Brushless Motors?
If you've spent more than five minutes looking at parts for an RC car, a drone, or even a DIY e-bike, you've definitely wondered what does the kv mean in brushless motors and why every single motor has a different number stamped on the side. It's one of those specs that looks like it should be simple—maybe something to do with kilovolts—but then you realize it has absolutely nothing to do with high voltage. In fact, if you plug 1,000 volts into a 1000KV motor, you're going to have a very expensive paperweight and probably a small fire. ...