On Mon, Mar 25, 2013 at 12:34 PM, andy pugh <bodge...@gmail.com> wrote: > This would probably work in a bipod conficuration, with just a pair of > springs on the hinges to extend the arm. > Like this device: > http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Koppi's_Toy > With gravity replaced by springs.
or cable attached weight so as to have constant tension , my thought is how to maintain spool diameter on the steppers? as cable winds up then the diameter increases unless a capstan of some sort is utilized, i do like the simplicity that this could bring though -- jeremy youngs ------------------------------------------------------------------------------ Own the Future-Intel® Level Up Game Demo Contest 2013 Rise to greatness in Intel's independent game demo contest. Compete for recognition, cash, and the chance to get your game on Steam. $5K grand prize plus 10 genre and skill prizes. Submit your demo by 6/6/13. http://p.sf.net/sfu/intel_levelupd2d _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
