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Thank you everyone for your kind comments. PeterT - I don't know if I will ever fire it. Running it on steam would be the ultimate step for completion but does bring its own set of challenges. To start with, I wouldn't even know where to get appropriate coal (can't pick it up from the tracks...

A number of components are castings. Some like the outer wheel rims and chimney stack in aluminium and others in a version of bronze called "gunmetal" (e.g., cylinder, feed pump body, wheel hubs). Castings are available from suppliers in England (e.g., Reeves and Polly). The flywheel is from a...

Now that I've been poking my nose in here more often I guess I better post something what I've actually accomplished in the shop recently. Just finished a model traction engine of the "Minnie" design in 1" size (i.e., 1" to the foot). It is a freelance design of no particular actual engine...

Mcgyver - thanks for the reminder of the article! I've no idea how that didn't get on my list of "shop tools to build" but have dug out the issue. Excellent article with lots of useful background information - in your usual style! Got a full set of dies turned to "across points" dimensions...

One of those repetitive jobs that is satisfying when done - those nuts look much better than off-the-shelf hardware. You've bumped into why many that do a lot of model building add BA taps/dies to the collection. Nothing else looks right (hex is too large, too thin, coarse thread relative to...

Yes, RV's (generally) use propane or electric as an energy source. I hope I haven't confused things in that regard; was only looking at it from an inverter perspective regardless of the type of load. DC power is the same regardless of where it is but it seems most installations suffer from...

Every time I see/hear and discussion about inverters (and RV solar installations), I think of this website: https://handybobsolar.wordpress.com/inverter-issues-spring-2013/ The author may come across as "roughly forthright" but I reckon it's just his way of "calling a spade a shovel". The...

Mike - In case you haven't seen this website, it might provide some useful tips for your Stuart 10V. http://www.homews.co.uk/page42.html It is a fun little engine to build - I hope you enjoy yours. Mine is supplied by a PM Research vertical boiler and runs a little open-frame generator to...

I think those are PM Research models ... at least the display matches the one on their website: https://www.pmmodelengines.com/product-category/machine-tools/machine-models/

One optional input for a Mach Tach option was/is a gear tooth sensor. The application including a housing and circuit diagram can be found here: https://www.thingiverse.com/thing:1463559 Perhaps this information will help in your quest.