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Peakoil.com :: View topic - Hot air engines
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Hot air engines

 
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oowolf
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Joined: Nov 09, 2004
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Location: Big Rock Candy Mountain

PostPosted: Fri Apr 04, 2008 2:45 pm    Post subject: Hot air engines Add User to Ignore List Reply with quote

Is anyone here familiar with these engines. Would it be worth the effort to scrounge one up?
http://www.stirlingengines.org.uk/manufact/manf/gb/sug.html
http://www.stirlingengines.org.uk/manufact/manf/gb/rob.html
http://www.stirlingengines.org.uk/manufact/manf/usa/brem.html
http://www.stirlingengines.org.uk/manufact/manf/misc/tre.html
http://www.stirlingengines.org.uk/manufact/manf/germany/heine.html
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drew
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Joined: Jul 22, 2004
Posts: 893
Location: canada

PostPosted: Fri Apr 04, 2008 3:29 pm    Post subject: Re: Hot air engines Add User to Ignore List Reply with quote

I've been working on a Stoddard cycle engine for a year or so now, thinking I had invented an improvement to the Stirling. (I just found the patent) As such, I have read an awful lot of stuff on the subject, so I think getting hold of one of those old engines would be really neat.

They are very simply built and quite robust I expect. Just looking briefly, I don't think many on that list are true stirling, but that doesn't matter does it.

Commercially now, there are two manufacturers, one in N.Z., and one in America. As for the old ones, you're looking at probably under 10% efficiency. I say this because Sunpower, a very high tech manufacturer of free piston stirlings gets only 30% efficiency out of their engines. Sunpower has been working on linear alternator free piston stirlings for 30+ years.

Drew
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RdSnt
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Joined: Feb 02, 2005
Posts: 1306
Location: Canada

PostPosted: Fri Apr 04, 2008 3:59 pm    Post subject: Re: Hot air engines Add User to Ignore List Reply with quote

check these out,

http://www.whispergen.com

http://www.infiniacorp.com
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oowolf
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PostPosted: Fri Apr 04, 2008 4:15 pm    Post subject: Re: Hot air engines Add User to Ignore List Reply with quote

I'm desperately trying to find something like this in restorable condition:
http://www.sesusa.org/images/ericsson.jpg
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oowolf
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PostPosted: Fri Apr 04, 2008 4:17 pm    Post subject: Re: Hot air engines Add User to Ignore List Reply with quote

Rider-Ericsson info:
http://engines.rustyiron.com/stable/ericsson.html
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Ludi
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Joined: Dec 27, 2004
Posts: 13177
Location: naive idiot fantasy world

PostPosted: Fri Apr 04, 2008 4:54 pm    Post subject: Re: Hot air engines Add User to Ignore List Reply with quote

Oh those are beautiful!
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