http://ift.tt/2BstizH This is a star tracker I created using a 3D printer. Gear structure is as below link http://ift.tt/2zjOmci need to rotate one turn per day. 1 day = 1440 minutes Motor is 6 rpm -> 1: 8640 gear ratio I made it obviously 1: 8640 But worm gears spin faster, what is the problem? via /r/DIY http://ift.tt/2BstiQd
