In this post my intent is to show you the original tutorial that I used to build my 70 amp arc welder (pictured left). I built it myself using Microwave Oven Transformers. I intend to build another one this year and will use these instructions again. Since the original site, aaawelder.com is offline, I utilized …
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.