On compressor size, it’s advertised down to -4F so I’m thinking there’s some capacity to expand the volume and hold 45 or 50F. Obviously dependent on insulation and sealing.
I’m definitely a bit hesitant to put too much into it, particularly cutting stone. Thankfully this wouldn’t require...
Figured I'd throw this idea into the world. I'll (hopefully) be building some taps in my garage next to a brewing area in the next few months. It should be nice, but a 100 ft walk outside to a detached garage is not the most convenient place to grab another beer. I don't have much space inside...
http://www.whitelabs.com/beer/homebrew_FAQ.html
The white labs FAQ recommends a starter for all beers over 1.060 OG or if the yeast is a little old. Some authors recommend starters for even lower OG beers. The general idea is that yeast that need to work harder tend to create more off flavors...
Just so you know it's not recipe specific, properly aerated wort is necessary for healthy fermentation. I believe most yeast need about 8ppm of oxygen which is about what you can get via shaking or pouring wort vigorously. I'd recommend reading through the later chapters of either "How to Brew"...