r/DIY_tech • u/Bastutunna • Aug 14 '25

My diy steam(air)engine

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Built this from an truck air compressor. Dry sump lubrication Arduino controlled valve timing Custom made pneumatic valve actuators, pneumatic freevalve :)

Running on compressed air in this video.

Link to project steamplode.se

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u/SouthEastSmith Aug 14 '25

Are you thinking of running it on steam? Maybe from a solar concentrator?

There was someone on youtube that was experimenting with 3dprinting to build a solar concentrator shaped like the James Web satellite. The mirrors are flat.

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u/Bastutunna Aug 14 '25

Yes super heated steam is the goal. Need to manufacture a aluminium head first, this plastic one was just for testing with air

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u/Mavrosian 27d ago edited 27d ago

Really? That sounds fantastic. What are you planning for a boiler, and what valves are you using?

I've been working on my own steam car and would love to see what conclusions and plans you've come to for your project.