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Old 20-01-2014, 06:49 PM
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mill (Martin)
sword collector

mill is offline
 
Join Date: Oct 2006
Location: Mount Evelyn
Posts: 2,925
Hi Alistair,

It has to be a unipolar motor 12V or for the old system 5V.
I am using the cheap stepper from Fleabay and it drives my GSO RC8 10:1 focusser with ease and i have it set very tight to hold a QHY9M with filter wheel and OAG.
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