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First Test of a DIY Steam Turbine running off a 4" Copper MSM Boiler.

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Blue Heeler17/12/2020 00:34:59
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First Test of a DIY Steam Turbine running off a 4" Copper MSM Boiler.

Simon Collier17/12/2020 02:18:01
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525 forum posts
65 photos

Pretty exciting. It would be good to have an idea of the rpm. Also the design of the turbine. Sorry if you have posted details before and I missed them. A lot of fun, as you say.

Blue Heeler17/12/2020 02:54:45
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Posted by Simon Collier on 17/12/2020 02:18:01:

Pretty exciting. It would be good to have an idea of the rpm. Also the design of the turbine. Sorry if you have posted details before and I missed them. A lot of fun, as you say.

Thanks Simon, I forgot to take pics as I built it, just got too immersed.

Its pretty simple inside, I made the vanes out of quite thick copper sheet and they are very heavily silver brazed into place on the brass section to with stand the force on them. I think I might have to invest in one of those el cheapo digital tachometers on eBay as I would like to know the rpm's.
Hooked it up a little while ago to a small DIY genny and it lit up a gang of light bulbs without a problem.

Simon Collier17/12/2020 06:27:53
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525 forum posts
65 photos

Did you see the recent series on turbines in ME? It was very detailed and would be a good guide for better efficiency. A turbine for say, a loco headlight, eg, DHR B, would want to be thrifty on steam. But if yours is just for fun, it doesn't matter.

Blue Heeler17/12/2020 22:00:40
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342 forum posts
Posted by Simon Collier on 17/12/2020 06:27:53:

Did you see the recent series on turbines in ME? It was very detailed and would be a good guide for better efficiency. A turbine for say, a loco headlight, eg, DHR B, would want to be thrifty on steam. But if yours is just for fun, it doesn't matter.

No unfortunately I didn't Simon.
Its been ridiculously hot since I finished this and have had only limited time in my shed. I did hook it up to a DIY genny and it lit a bank of globes very easily. There's a fair bit of internal centrifugal weight when its up and spinning, but it won't have the same grunt as a steam engine.

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