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How did you cut the aluminum?
How did you put the drive motor together?
How Do I Polar align the platform?
Two bronze thrust bushings.  One through each side.
Hand Controller -Ckt
Reagan's Equatorial Platform Dob Tracker Stepper Details
I have an extra stepper / reduction gear.  Click on picture below for specs.  Email me if you are interested - $40.00 no cable or flange.
Troubleshooting
Platform Design Sheet
Warren Peter's Active Excel Spreadsheet Conversion to Axial South Bearing.  Just type in your numbers and the spreadsheet does all the math.  Use Warren Peter's Manual.html found on the eqplatorms site.  Save document to hard drive.  Open with Excel, not a web browser.
Radio Shack Parts list - Hand Controller