Small steam engine

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dennisa49

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Hello, I would like to build a small steam engine to fit in a model of a tugboat.
I was sure I had seen plans on the site, can’t track them down though.
The engine would need to be no bigger then 50mm x 50mm externally. However a smaller engine would wonderful if possible.
Any link or suggestion would be much appreciated.
Thank you and regards,
Dennis :)
 
Hi dennisa. I feel like this is the standard answer to the “small steam engine plans” question but you could check out John Tom’s site http://www.john-tom.com/html/SteamPlans.html probably something on there you could use. In the section with Elmer Verburg Engines http://www.john-tom.com/html/ElmersEngines.html there is a small Open Column with reverse that might work for you. The plans are imperial but the base plate is only 2 7/16” (61.9mm) x 1” (25.4mm)
http://www.john-tom.com/ElmersEngines/03_openColumnRev.pdf
 
Hello, I would like to build a small steam engine to fit in a model of a tugboat.
I was sure I had seen plans on the site, can’t track them down though.
The engine would need to be no bigger then 50mm x 50mm externally. However a smaller engine would wonderful if possible.
Any link or suggestion would be much appreciated.
Thank you and regards,
Dennis :)

Ray Hasbrouck designed a small 2 cylinder engine for such a purpose. The advantage of his design is that you can switch from full forward to full reverse by moving the reverse lever only 90 degrees. Perfect for RC servos to reverse the engine.

It might be a little large for your purposes, but I've seen people shrink his designs.

You can find the design in a book from Village Press, (and also available on Amazon)

https://secure.villagepress.com/store/items/detail/item/2612
 

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