A question for mental4astro (Alexander)
Hi Alex,
I'm currently having a go at making my own dob mount for a 130mm OTA reflector, as inspired by your great job.
I would just like to know - what is the bearing material in the cut out for the flanges?
I want to get it right first off, so that I know what exact size to make the cut outs.
Thanks,
Molly.
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