Here's a test of my thunderbolt 1000T
Right before the test I decided to change the RPM setting on the thunderbolt. But the pulley wheel slipped off of the motor. I did not have enough time to reattach it before the test began. So I left the rotator off. Sorry but it's better than nothing.
https://www.youtube.com/watch?v=V0niKFc ... e=youtu.be