Quote Originally Posted by erick3525 View Post
I think a honking big stepper would wreak havoc on the CW's plastic reduction gear train. Also, the CW uses a lot of gear reduction to accommodate weaker motors and it gives more precision to the movement.
I meant to directly drive the belts. I thought you would not want anything to do with the backlash of those little plastic gears. That would mean writing code to deal with the two encoder feedback system like LHR has done. I thought a direct drive stepper was the simple solution.