some things on this engine were changed I found the prints just rolling around the web I modified the prints to fit me they wanted a block for the cylinders so I used my famous 21/32 and 5/8 piston and cylinder set up and the bomb style boiler is a story in it self this boiler has no prints I designed it from boilers I worker on and just thought I had the safety is set at 90 PSI after the safety goes of the PSI is right at 45psi going to use this boiler as a test for the engines I have built so far ill get a pic soon of it still building a front door and a stand for it ill be giving David the prints through e mail for posting.