Trying to dial in my technique for .025" 6061 inside joints - for an aviation heat muff inlet/outlets, like the pic atched, which I bought. Having no luck tho as the arc is all over the place and best I can even get a puddle is on .050", but in order to stabilize the arc, I have to way ove...

Your pushing the WP17 aircool beyond its capabilities. I have the same and I've found that despite what the books say, this is too small an aircool torch for that kind of amps for any serious length of time. You might have better luck using 1" tungsten electrodes (just kidding). But in reality ...

I'm a power engineer, and I seriously doubt that you have the old 2-phase power. Power companies don't generate that kind of power anymore. As with all houses, I expect you have two legs of the three phase Y, 120degrees apart. The fact that whatever piece of equipment you hooked up to gives you thre...

1st post. Bought a 200DX about 5 yrs ago, maybe longer, but it went into storage shortly thereafter (with maybe 2 hrs arc time) and am just now breaking it back out for some fun with old cars. Anything I need to know about the "older" models failure modes vs newer DX's? I see there is some...