Hi Chuck,
I was unable to find that download but I think it may be the same plan I saw during a google search. I would like to see yours.
I don't know what I need as this is the first I've strayed away from internal combustion. I've bought a horizontal engine on eBay and haven't received it yet and I'm unsure of its displacement. (Are steam engines described by displacement?)
This project is all about educating myself so I think I need a boiler that will simply have enough capacity to run the engine for 15 minutes or so at a time, be safe, and not too costly.
John