Astro DIY

Modified Gearbox for RA drive on EQ3-2

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Modified Gearbox for RA drive on EQ3-2
Replaced old 408 step motor with a more powerful 200 step. Unfortunately the spindle on the motor could not take a small pinion so overall gear ratio reduced to 12:1. Total step period is now 276.2ms.
Posted by Doug on January 15, 2010 Full Size|

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