Hello Milt
It is amazing what can be done but it still takes lots of practice , As far as bead size I am playing with that now and finding out just going little smaller wire doesn't help much with pulse. My machines software only goes down to .035" and I thought the same but with the right settings and speed you can get a nice small bead with good penetration and very little ridge on backside, surprised the heck out of me doing a simple bend test, bending them over toward the weld as far as you can they don't break or crack, that is using 5356 wire on 5052 material. never had much luck with the 4043 on a bend test like that
Tom