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Something to keep in mind that we have encountered is overheating the economizer when not pumping water. We've mainly encountered it when we've had a hot fire going while waiting to leave and the engine isn't running. The economizer gets so hot that when we did start running the engine and pumping w...

I know I’m digging up an old post here, but I’m trying to track down where this boat may have ended up, as it was my dads once, as he built the engine, and assembled it. Here’s an old video from when it was on the delta. https://m.youtube.com/watch?v=2IVVeW7XY0Q Welcome to the forum Cooper. Hope yo...

Clear anodizing should be relatively close, especially after some oil film... I made a hollow two-piece aluminium piston for the 10" LP on the big boat... The original was 3" thick cast iron, and weighed 30+lbs more than the new aluminium one. Sooooooooooooooooooo much closer to an actual "balance" ...

I think Kelly would be the one to know about rivets being inferior in the USA, He is the VP of motive power at Strasburg Railroad, one of the leading tourist steam operations in America. I would wonder if Strasburg makes their own at all ? I know they manufacture injectors, safety valves and staybo...

Welcome to the forum.

I agree with Mike, 5hp is probably overkill for a 14' launch. A boiler required to feed that hungry Lil guy would be rather large for a boat that size.

Suitable complete running engines should be relatively easy to find amongst the model engineering crowd.

Yes, a mechanical lubricator would work I think. Our lubricator was a large glass lunkenheimer with a hand-operated lever affixed directly to the main steam line just after the throttle (not a hydrostatic lubricator). Too close and too hot.

I would think the spring would help dampen the "beat" of the propeller wash also.

I'm really interested in how this will work. I would love to see some more pictures. Are you going to pressure lubricate, and of so, are you going to use a scavenger pump to clear the crankcase?

I know I would love to have one. Especially something mated with a user-friendly (read near-luddite) graphing software.