Quote Originally Posted by Boosted P View Post
Pic #1:

.065 wall cap welded on to 2.5" diameter .065 tubing. The key there is to have the cap set back from the tip of the tubing. If it was flush on the outside, it would not look as good. #12 cup, 3/16" 2% tungsten, no pulse, just foot pedal and no filler rod. Amperage is at about 40A, and moving rather quick.
Is it really 3/16? That is huge. Biggest I have is 3/32. We've had bigger at work, but that is for very high current uses.