DJ Delorie wrote in :


Leon lcb11211@swbelldotnet writes:
The top bearing at the pulley gets considerable side force and the
bottom gets some but less.

I can't help but wonder what kinds of side forces a forstner bit would
produce if you're drilling a half-hole in the edge of a piece of wood...

Better example would perhaps be a circle cutter, altho
even there I think the forces would be much smaller
and shorter duration than a sanding drum.

John