Quote Originally Posted by Chaz View Post
Me? Nothing yet, need to finish Thor first.
Hi! Did you ended up using hte 4th axis harmonic drive? I just got one and wired up. It looks ok but i notice the chuck has this huge play. Do you also have it? I thought it should be gapless with not backlash. I am confused. :-)

Here the video showing it.
https://www.youtube.com/watch?v=uSB-UlZzBjQ

Thanks for the help!