ZWO AM5 AM3 Counterweight Bar 28mm Adapter

ZWO AM5 AM3 Counterweight Bar 28mm Adapter

thingiverse

I have several 28mm counterweights for my iOptron mount which have a 28mm hole. The AM5 counterweight bar uses a 20mm hole.This adapter allows for the use of one counterweight with the lock nut on the weight tightened. It should work just fine with any 28mm counterweight.I am using either the 5.5lb or the 11lb iOptron weights and they are quite secure when printed with PLA and 100% infill.Note: Definitely print with 100% infill or the outer shell will be compromised when tightening the lock nut.

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