Today I’m jonsing for my mig welder that was lost during a move. Remember the microwave oven foundry? If you’ve got a few old ovens around, you can gut em and build an arc welder. The transformers ...

When welding with an AC arc welder, it is often necessary to “scratch start” them to get the arc going. For those unfamiliar, it is just like it sounds. You drag the head across something just like a ...