Gear reduction of Pittman GM8224D309-R1 motors


The Pittman motor in the Sitech Store includes a gear box ratio of approx 1:10. Are other gear ratio's available as well?

For my application (30" F2.98 alu dobson telescope), I would need a secondary gear reduction of approx 650 and 1500 for resp. altitude and azimuth; quit large.

A primary gear reduction (in the gearbox of the motor) of 150 and 300 for resp. altitude and azimuth would be preferable.

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