Originally Posted by el Diablo Guapo
propping your arm on the work can be helpful, but do be careful to SLIDE your whole arm, not just rotate your wrist (or elbow). That twisting arc changes the distance of the gun from the work, and so changes the voltage.
Every time I weld round tubing I get all kinds of weird angles, distances and booger welds to prove it.
I just try my best to keep the puddle where I want it and damm the rest...
That is why man invented files and grinders.
So long as I get good penetration and a strong joint, that is what counts the most.