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RA Drive Frame Completed

A project log for DIY Harmonic Drive Equatorial Mount

A home built equatorial mount for my telescope built mostly recycled components I have had lying around.

Jerry BiehlerJerry Biehler 05/08/2014 at 04:330 Comments

I started on the frame that holds the main drive last night. I had the original piece the big harmonic drive mounted to as well as some of the aluminum for the base. It is all 1/2" aluminum. Finished up that part tonight. The plates have bores for bearings and curved slots for the angle adjustment. It will got up to 60degrees of tilt. I am still working out the design of the base section, I have got a good idea what I want to do, just not sure.

I might send some of the parts out for bead blasting and anodizing.

Side pieces and top before machining:

Completed frame:

Drive mounted in frame:

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