Quote:
Originally Posted by rmcpb
That can happen but if you use a set of rings to mount your bearings and leave the rings a bit loose so you can rotate the tube then that problem goes away. To prevent the scope from slipping through make a locking ring to sit above the mount rings and maintain the position.
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Rob I think the wedge idea comes to the mind of many people wanting an easy solution to RA tracking with a standard dob base.
Once you start adding rotating tube rings and addressing the shortcomming of a standard dob base designed to handle weight bearing in one direction only, you may as well start from scratch and make a purpose built tracking mount from the ground up.