Hi, I have read this thread with interest and some concern. I have joined this forum to learn from others and get ideas about many subjects. I am interested in all points of view so am concerned when there is a suggestion that some posts should be deleted because they may be wrong..even an...
The Clough42 els requires a lot of building and is only single axis. There are 2 others, Rocketronics and els h4 https://kachurovskiy.com/. I actually have an ELS h4 in New condition available for sale if interested. The Rocketronics is the one I am installing in place of the H40.