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Hi All,
I did contemplate this approach but in the end bought a Juwei 17.
I have the gear needed and the time. However, backlash specifications for strain wave gears on Aliexpress vary from < 30 arcsecs to zero with prices varying from a few 100 dollars to a few thousand dollars so what do you use? At the cheap end you could build a mount for around $1000 that would have significant backlash or at the expensive end a mount that would cost more than an Zwo AM5!
Bill
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