I'm not a mechanical engineer,but I'm guessing this is something that is well known by MEs. Say I have a rod and I want to move my pitch one direction, and my azimuth the other direction. How can I do this to get a full spherical direction capability for the rod? How many motors does it take, and What is the correct placement of motors/gears? A picture or video might help.


  • $\begingroup$ You mean like the shoulder on a robotic arm? lh3.googleusercontent.com/proxy/… $\endgroup$
    – DKNguyen
    Feb 4 at 0:36
  • $\begingroup$ you need to be pointing to all points in a sphere AND you need to care about orientation? $\endgroup$
    – NMech
    Feb 4 at 4:14

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