Thanks both for the replies. Yes I thought 700 psi was rather a lot of stored energy! My guess, standards have shifted since 1973! I’m only 10 miles from Guildford so have the ‘Puffing a Wey’ event firmly in the diary! I will go and seek some thoughts from those willing over a cup of tea! I am tempt...

Hi, Please excuse starting with a load of questions ! As retirement approaches (a few years hence yet) I’m becoming tempted with the thought of pandering to my long facination with boat building and steam! Past years have seen dinghy building and kayak making so some practice, along with a working l...