Noob question thread! 2020_Summer

[b264]

@Mikeyrides

Does anybody know why when I touch 2 out of the 3 wires together on a motor it gets really hard to turn? When none of the wires are touching it spins like it should. And of course I don’t have any power supply connected while doing this, it’s hand-spun.

Check out this

How to hand-test a BLDC motor [SERIOUS]

Sometimes if you’re buying used, or troubleshooting, and need a quick way to see if anything might be wrong, you can test a BLDC motor with only your hands. It’s not the most accurate test in the world, but catches most problems. [f5c1e17e62e9f244432bf763be93746978c88931%20(copy)] Ensure motor phase wires are not connected to an ESC or anything else. Verify the motor spins without grinding or rubbing. Put a tad of sideways stress on the shaft and push it and pull it (while turning) to veri…