I really don't know whether I should cry for pure joy .... or for shear discouragement!
Simply Superb doesn't even begin to cover it ...... a machinist to the Gods he must truly be!!!
Go for the joy, Daniel.... a machinist for the Gods he is!
He is a most exceptional engineer, toolmaker, fabricator, and a few other sets of skills.
He did prototypical development work in Germany and then for the Canadian Government.
The engine you are looking at here was built from only a single photograph and one library book that described the inner workings of the Sulzer poppet valves.
Gil