Chinese Spindle Balancing Jig
grabcad
Balancing Jig for Chinese Spindle fans (300W / 500W / 800W Spindles).The round heads on top of the threads can also be adapted to take flat plates in case you would like to balance the rotor instead of the fan blade.The blue base pieces can be turned while on a stable desk for leveling purposes.The video link is not my video but simply the person who had made the hack to do this. I then simply created the little jig to make this easier.3D Printable files can be found here: https://www.printables.com/model/162638-spindle-fan-rotor-balancing-jig/files
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