I'am sorry my poor English. I need to use Google translator now and then but I hope that you will understand me.
I would like to ask if there is any experience how small the backlash of that mount can be obtained? I drove the guide assistant in PHD and it suggested dec-axis backlash compensation 2400ms. It would seem like a little big in my own mind. I have adjusted the pressure of both the axis upon a worm screw in such a way that the play in its movement does not seem like much, but the cogwheels rotate with your fingers.
Then I'm thinking of rotating the axles when the locks are open. How slick should the axles rotate and whether it is relevant to tracking accuracy? In my own mount, the RA axle rotating more slick than the DEC axle, but there is also a certain point when the motion will stick to the hint. The Dec axis makes the movement more sticky all the way and there are also points where is more stick. This is when I rotate the axles without load. When the load is on, the axles seem to be moving more slick.