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A Tiny Power Ajax engine recently completed from 15 year old castings. This is a very heavy engine and the second flywheel is not installed in this photo.
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A mill engine machined from PM Research castings that also sat on a shelf for at least 15 years.
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A reproduction Cretors verticle popcorn engine from castings.
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A Stirling engine fan made from plans in the book “Steam and Stirling Engines you can build”
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The Tiny Power Plant. A 3/16” bore and stroke oscillating engine. The flywheel contains two magnets in the face with alternate north and south poles facing out. The coil (from a standard cube relay) generates AC current which is rectified to power the LED.
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Some additional “Leaky” engines. One is equipped with a dual coil generator similar to the engine above. I give away plans for the Leaky engine at the Cabin Fever Expo in York, PA.
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This flame licker is one of a pair I have been experimenting with. The intake valve is internal instead of external like most engines of this type. The valve is opened when the top of the piston pushes it open, and it is closed when the back of the piston contacts the actuator seen behind the crank.
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This steam engine was built from a kit sold by R.W. Machine. I like the idea that almost all of the parts and materials are standard hardware items, but this is a very low quality design and I do not recommend it. I had to make the engine frame from stock since there was not enough material on the piece of brass sheet supplied, and even if there was, the outcome would be very poor.
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