Stirling Engine with wood fired oven exhaust.

[Tom Booth]

These might be interesting as hot displacer cylinders for a larger Stirling engine, sold as stainless steel "time capsules" in various size diameters, 3", 5",, 6" a bit expensive, between $50 - $80 or so, depending on size.

About the same cost as an old SS fire extinguisher, but probably not as much of a hassle (removing hoses and junk and plugging unwanted holes...)

Probably not as heavy duty SS though. The fire extinguisher is intended to withstand pressurization. Probably not necessary though, for a Stirling engine, thinner might be better, although I don't know for sure, might even be thicker.

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[Goofy]

Hi,
Perhaps some of you know this guy already, but check this out anyway : https://youtu.be/Aaxgq4GfgiA

Both the engine and him are very fascinating . . .

[Tom Booth]

Thank you so much Tom..

It's great to connect with like minded people.

1. The idea of hot cap in the burn chamber is fantastic. I will give it a try for sure.

2. Utilising cold draft ? I'll have to get back to the drawing board and see how much of this can be achieved with things as they stand now.

On the alpha design, i have decided that I'll go the trial and error route and start my project right away rather than wait for a perfect design.

This is a side project of an ongoing business activity afterall!! So anything achieved .. even if it's as simple as providing drive to a vegetables cutting machine , or a pulverizer will be an added bonus in reduced costs.

I'll keep you posted on the project as it goes ahead.

I've.been looking forward to any updates on this project.