thanks all. things are definitely looking better.

any ideas re:preheating? i dont really want to invest in an o/a setup (and i dont like the danger either). was thinking of using a propane roofing torch? you think that would work?

thanks john. i think there may have been something wrong with the gun. swapped it for another and things are much better. i also went up to .035 and that seemed to help too. been playing with things and getting better. my flow seems really low though around 10-12 cfh. i'll play with it a bit more an...

posted this over at hobart forum but thought ppl might have some view here. have a new 190 with spoolrunner 100 gun. put it together with 100% argon tank and 4043 .030" wire. trying to dial in the settings on some practice pieces of 1/8" 6063 (pretty sure as it is square tubing and corners...