Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines

Though i of course forgot to bookmark it, I saw a video the other night taken at a model engine show. There were several engines running that the camera just panned past, all hooked up to butane. In at least one instance there were three small hit and miss engines running off a single butane bottle, using a camp stove control and tees in the line. It sure looked like they simply hooked the butane up to the normal fuel nipple on the mixers, perhaps fine tuning individual engines with the needle valves.   
I dug out the Bernz o matic pencil torch today.  I’ll scare up a propane bottle and do an experiment or three.