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Hi, I liked the look of Elmer's mine engine but wanted to add some extra details: I added fluted columns and finials: I used a milling spindle to do the fluting: I wanted a fancier flywheel than the plans showed. I had some 4 inch copper pipe to use for the rim. The base parts were made...

I eat dinner once a week with my techie friends and often want to run one of the engines I've brought. I wanted a silent air compressor. I had several feet of 2.25 inch bore brass pipe that was just begging to be used. The design I came up with is this: It is a two cylinder single acting pump...

Wlindiii's post got me bit with rocker-itus only mine was on a Sunday afternoon. I used the materials as specified on the plans, mostly brass. Couldn't resist cutting fins. Took about 7 hours with a lunch break. Of course the play time continues on. woohoo1 woohoo1 Some build pictures...

Built this for a demo and took a video of the test run just in case. The exhaust smells like caramel! Dave

I built this Stirling engine for a friend. It's to J. Senft's design with some changes to use available materials. I had some acrylic tubing with surface damage that could be machined thinner to make the displacer cylinder. The power cylinder is a modified "Airpot" a commercially made dashpot...

A couple of years ago I built a Ringbom engine. It is a variation of the Stirling which uses the internal pressure variations to move the displacer piston. The oversized piston rod provides enough piston area to lift a light weight displacer piston. A quick video Dave

Robert, By testing on drill bit did you mean drill rod? Anyway you should first try testing on the outside of the tailstock barrel. With the barrel fully extended and both the tailstock locked and the barrel locked I get much less than a thou error in the full exposed length of the barrel. The...

A little inspiration for those building Stuart 10Vs or 10Hs: a radio was on in the background ;D Dave

This is a small faceplate that I made from some recycled steel: I'll illustrate its use in making a connecting rod. The rod was started by drilling and reaming the two holes and rough sawing to size. It was mounted in a small lever operated rotary table to round the ends. Several passes...

Been playing with my camera and thought others might like to see an engine under steam. It's the thimble engine design by J Senft. I deviated from the original design by spinning my own thimble out of copper and changed the piston material from stainless steel to brass. I couldn't make a number...

Here is a picture of my Stuart beam engine. I started this engine about 25 years ago but looking at all the little links put aside. About a year ago I decided it had been on the shelf too long so I made the rest of the parts. I'll probably get to doing some fancier pipework on it some day...

Hi, I'm an exhibit designer/builder/repairman for a small science museum in Aurora Il. I got my first lathe in the mid 60's. I thought I'd post a few pics on topics I've seen here. Some engines a radius tool an LTD Stirling engine some turner's cubes, the largest is 2 inch. More...