ZWO AM-5 fillable counterweight --- 20mm counterweight bar
Description
This is a fillable counterweight, for 20mm counterweight bar, e.g. for the ZWO AM-5 mount. Heavier equipment will benefit from a counterweight on the AM-5, my expierence is a more accurate auto-guiding. Especially if you want to use your astronomy mount on vacation and if you have to go by airplane, you have to minimize the weight of your astronmy luggage. You don't want to transport 3 or 5 kg steel! This is the reason why I've created the fillable counterweight. My version made with PETG and the screws weights about 465g. Filled with heavy material you can increase it to several kilograms! You need eight M5 and four M3 Allen screws and the corresponding ruthex heat inserts for assembling. The counterweight will be attached to the bar with two adjusting collars (in German: "Stellring"), like you can buy here on Ebay: https://www.ebay.de/itm/155436342661?chn=ps&mkevt=1&mkcid=28&var=455655151467
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