We started with three kegs I bought from a scrapyard a very long time ago. They had damage to the tap connection and were no longer usable as kegs. I built a jig for my angle grinder similar to this.
We had an idea to build an all grain brewery. Not huge, but big enough to do 10 gallon batches. We wanted to go cheap, but have really good beer in the end. This is what we came up with…