See article . Dobsonian for son Colin. And he has included diagrams of the hand ground mirror. The mirror is from Nova Optical in Utah. I am very pleased and somewhat relieved to report that the image quality is excellent and the mechanical operation and stability is as good as any I have used at Astrofest or Riverside Telescope Makers Conference.
Software can now drive a telescope.
But Houstonian Robert Frenzel decided to use a binocular chair for 2 people in place of the telescope. The back of the chair with the binoculars pointed at the zenith. The azimuth encoder mount and lower kingpin bearing. The azimuth drive motor and first reduction set. The final azimuth drive reduction and belt that wraps around the base ring.