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The only photo I have seen was from Europe and it was a commercial One Metre wide, F2 Az/El rocker box style of Goto scope. It had 4 truss rods going from the rocker box to the camera holder ( no spider), and all the cables fed down the inside of the truss rods.
I guess with 1 metre wide aperture you ain't going to track for very long, so field rotation would not be an issue.
If you got your measurements from primary to CCD chip correct, you would only need a fine focuser. A simple method would be similar to the middle bolt on the secondary. By using a 1 inch fine threaded bolt and nuts, you could lift the camera holder up or down, only need +/- 5mm.
You would also need some safety chains in case things go kaput.
For cabling I have a dead Epson A3 dot matrix printer, the carriage motor uses a long thin ribbon cable with heaps of tracks on it, so everything could use the one cable, USB, power, focuser and dew heater.
Unfortunatly if I were to go ahead with this type of project, I have heaps of other issues with this scope to solve first, to make it viable.
Bill
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