Okay, thanks, great info for me to work with. I probably am ramping up too slowly and keeping the arc too long.

Thanks! I've watch a lot of videos, especially TIG and tubing. I've gotten some welds that will pass, however it's gone south a couple of times where the tubing edges melt away from eachother rather than joining into a pool. I haven't come across any info on how to prevent that from happening. The f...

Hi all, just picked up a Miller Syncrowave 200 and am on my way TIG welding. Looking to weld some bike frames to start, to make things easier just going with hi-ten tubing (rather than chromoly or aluminium), using some old frames. Thickness at 0.055" thereabouts, have the amps set at 40 and us...