I really admire what you gentlemen make!  If I could go back in time and change anything in my life it would have been to learn how to use a lathe and milling machine.  My long time neighbor had a garage full of machining tools as he had worked making Norden Bombsights in the "Big War".  Whenever I needed something it made his old heart pump when he was letting cuts fly like the Acme Machine Shop cartoons.  The sad part was when he died his son had no interest in keeping any of the items and got rid of the lathe and milling machine and only kept the drill press, and even sold that within the year.  Tom