Originally Posted by Imagecatcher
Regarding friction, I have used two linear bearings (CNC table bearings) so it slides quite well. The friction is mainly from the black polyeth block that acts as an anti roll guide. The bearings are mounted in a plastic race so that may wear too. My objective was to be light and avoid two runs of Ali But it may prove false economy.
Do you have adjustment in your bearings t clamp onto the rail as it wears?
looking forward to seeing your maiden TO
No bearing adjustment though I can skim the plastic spacer if necessary, I'm not expecting wear to be an issue after anodizing.