As my first ATM project I built this split ring mount for my
old 4.5" reflector. It came out too heavy so I didn't use
it much. The fork is big enough to hold a 9" scope because
that time I planned to build a scope of this size.
Rightascension bearing
Rightascension motor
Split ring detail (aluminum ring still complete)
Bottom bearing
Bottom bearing pin made from a door stopper
Bottom ball bearing, adjustable by four screws
Bottom view of the platform
One of the three screws which carry the platform
Small fork (30 cm) on top of the split ring
Adjustable plate which hold the declination bearings