What the hell is Trim and what does it effect?

What do aspiring welders need to know about QC7's?

Okay guys, how (if at all) can you get a good looking bead on 16-18 gauge mild steel sheet metal? Now granted I'm harder on myself than the hulk is on t-shirts when it comes to my welds, I just cant get a bead that satisfies me. I cant seem to get any kind of ripple definition at all, which i know d...

What causes a cast iron weld to crack right down the center?

i'm going to strap it in but i have to weld fittings in it for the fuel lines and a filler neck so i don't think cracking will be an issue. I also thought about clear coating it to keep the welds from rusting. I appreciate the input guys.

I'm building a ratrod and i was going to use a keg for the fuel tank.

Does anybody know if you can weld stainless with regular mild steel mig wire and strait co2? i don't have much to weld and don't want to invest in new gas and stainless wire.

I have never seen this before, but it may already exist. Is there such a thing as a gas bottle regulator with a longer tube between the bottle shut off valve/outlet and the pressure regulator gauges? I am forever scraping my knuckles on the gauge glass side when I go to turn the gas off! Just an in...