On Wed, Dec 9, 2009 at 7:49 PM, <james.f.juhas at snet.net> wrote: > Particularly with sheet metal, the duty cycle on my SP100 never catches up > with me. > I just bought a cheapo MIG just to use on sheet metal. I looked at duty cycle but decided that having it catch me was a Godsend. The perfect reason to take a break and pop a brew... ;-) Cheers!! Jim