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Man that is a nice looking engine. Do they still sell those castings? .

He took that in 1080 resolution, so it should be pretty clear. That is a very clever oiler on the side. .

I was not able to make the Algonquin Mill Festival this year, but my buddy attended, and took this video. There are usually a number of model engines on display and running at this show. This may be the way to go with model engine shows; ie: pair up with old engine shows, and try and find a...

Is this one, at 16:10 ? .

Seems like you could use a flat-rate postal box or two to send those in the US. .

My uncle had a buckboard made from a Crosly chasis. We use to pile about 8 kids on it, and he would drive us all around the neighborhood. I don't have a photo of it, but it was made mostly from wood. He had an 8 hp Briggs and Stratton on the front of it, with a belt clutch. Looked a lot like...

I think these were generators driven by a Stuart Sirius steam engine, but I was thinking they had IC engine kits too. Not my photos. But you get the idea, little working engines that could be used for various things if necessary, say during a power outage, or for propulsion. .

The little Stuart batter chargers were pretty neat. Someone posted some photos, but I am not sure what to search for. So that is the sort of small engine use I am talking about, or even something you could strap onto a bicycle frame, or scooter, and have some transportation. There were some...

I seem to recall Stuart made tiny gensets for use during the war. .

Machining flywheels larger than 12" diameter is a problem for me. I am planning on farming out the 14" flywheel for the 1/2 scale Ball Hopper Monitor, and I know someone who can do it. I have not totally ruled out machining a 14" flywheel on my mill, using a tool-and-die grinder with some sort...

Looks nice, what sort of specs on the generators/alternators ? .

The large format model engines make for an eye-catching display at a show, and I think that is part of the purpose of displaying them; to draw attention to the booth, and sell more reasonably sized kits. You can see a large-format engine all the way across the room/arena. And if you don't have...

With 3D modeling and 3D printing, there is no reason to lose any detail, from say scaling down the O-S shown below. It is not very hard to just model it exactly like it is built. In this day and age, I am excited to see anyone doing any type of modeling. .

You can get into some pretty chunky risers when making larger castings. A large enough casting could require either a large crucible, or a double-pour. Quite a bit of metal is required in addition to the casting itself. .

I like machining hardware (nuts and bolts) that are large enough to easily see and feel, like this one. .

They took a few shortcuts, but I will forgive them, since they made the effort, and made the engines. 3D printing of patterns could easily add the find detail back into their design. .

Myers had some nice sized engines and castings at the 2019 NAMES show. Some significantly larger than I would attempt, but most impressive castings. .

LOL, das what i'm talkin about !! Big ole working-class engines, and you can get a free workout carrying them into the show, without even going to the gym. I really like the larger models, and the machining work is so much more forgiving. When I try to machine tiny parts, it seems like I can...

Welcome Matt, glad to have you here. I am not very familiar with Stirling engines, so I can't help, but I know there are folks here who can. Pat J

The thing to remember is that these are probably not these machinist's first engines; they probably had to start with something simple, and then work up to something more complex. Sometimes you have to take baby steps in order to get to your destination. This hobby is becoming a lost art. .