Gallery, Projects and General > Project Logs
The Return of No. 83, a Hot Air Engine
vtsteam:
--- Quote from: RussellT on April 12, 2025, 05:01:05 AM ---
--- Quote from: vtsteam on April 11, 2025, 12:22:18 PM --- steadying hand pressure by increasing revs.
--- End quote ---
Have you tried clamping it down to the bench?
Russell
--- End quote ---
Heh, nope, Russell! :lol:
vtsteam:
I think I mentioned that the original intention was to run this little engine on wood. I wish I'd had the time when I first built it to make that possible.
Today I started making a little latch for the fire door on the firebox. I also began insulating the firebox. It will be insulated just like my melting furnace, but on a tiny model scale.
Here I've fitted a layer of fiber insulation to start with:
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vtsteam:
Working on my foundry is slowing me down on No. 83. I'm thinking about doing an iron casting to replace the brass power piston cylinder and displacer guide block. Foundry was in a sad condition, but have made big strides over the last few days
Back at it shortly.......
jiihoo:
I am following with high interest.
I'd been ignoring MadModder for some time and when I started visiting again I found many interesting projects. This is one of them :beer:.
awemawson:
I’m watching with great interest but my get up and go to a large extent has got and gone! I do still occasionally power up the gen set for the induction furnace to blow out the cob webs and run the pump to raise water from the bore hole through the heat exchanger as this keeps the field drain return to the stream clear, but apart from sometimes raising a bar to red heat in the pot for a bit of fun it remains idle sadly.
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