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Hot Air Engines

Modern Stirling Engines


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  #1  
Old 09-03-2018, 08:20:31 PM
Brent Rowell Brent Rowell is offline
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Default Modern Stirling Engines

I recently had a chance to visit a company called Stirling Technology Inc. in Athens, Ohio. The founder of the company has been engineering modern stirling engines since the 1970s and helped design a 5 hp hot air engine to run on rice hulls intended for developing countries (see cutaway machine in the photo below). The company is now producing a home generating unit for supplemental power and heating, i.e., the excess heat from the engine is used for space heating or water heating. The unit mounts on the wall and is about half the size of a dishwasher (photos below). It can use multiple fuels and the company has recently developed a unique gassifing burner for wood pellets.
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  #2  
Old 09-04-2018, 06:52:59 PM
Txlabman Txlabman is offline
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Default Re: Modern Stirling Engines

Very cool Brent. Stirling power for the masses.
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Old 09-04-2018, 07:55:32 PM
gnucklehead gnucklehead is offline
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Default Re: Modern Stirling Engines

Were they kind enough to give you any information on how to go about buying one?

It burns my britches when you click on "purchasing" and get "nothing found"

But it doesn't surprise me at all...
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Old 09-04-2018, 10:35:20 PM
Brent Rowell Brent Rowell is offline
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Default Re: Modern Stirling Engines

Yes, just contact them for a quote at:

http://stirling-tech.com/

Depends in part on what kind of fuel you want to burn like wood pellets, propane, britches, etc. They are just beginning commercial production of the ThermoGen CHP units which is probably why there's no purchase link yet.
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Old 11-02-2018, 06:47:14 AM
N0QBH N0QBH is offline
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Default Re: Modern Stirling Engines

Are these based on the Beale free piston design?
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Old 11-02-2018, 07:56:03 PM
Brent Rowell Brent Rowell is offline
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Default Re: Modern Stirling Engines

Yes, they use a free piston design (no linkages) which was first developed by the late William Beale and the engineers who worked for him, although I'm sure there have been many improvements since then.
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