Robatoy wrote:

Mount a HF air drill cheapo on the 'Bot. How hard can that be?

Some 'Bot owners have done that. I bought a full set of collets and
chuck the drill in the spindle...

....but edge drilling a 6- or 8-foot long 1x8 board with only 6 inches of
Z travel just doesn't work (I can't get the bit over the workpiece). :-(

--
Morris Dovey
DeSoto Solar
DeSoto, Iowa USA
http://www.iedu.com/DeSoto/