I‘ve been building model boats since I was 8. Served in the Navy for 25 years. Spent a lot of time operating and maintaining Navy steam propulsion plants up to 1200 PSI. I have always been intrigued with model steam plants and thanks to this awesome forum having one is becoming a reality. After hours of review on this site and recommended engines and boilers, I decided on a Graham TVR1A Engine, 3.5 Maccsteam vertical boiler and Maccsteam fuel Tank.