[Digestion] small generators - Stirling engines (Warren Weisman)

[Katahdin Energy Works]

The four piston stirling engine is looking like a 'standard' for small scale
power generation; there is one running from a bio-digester in Bangledesh and
they want betas in US. We're working on it. 

Frank J. Heller, MPA
KATAHDIN ENERGY WORKS
12 Belmont St.
Brunswick, ME 04011-3004
207.729.6090
http://mysite.verizon.net/fjheller/


-----Original Message-----
From: digestion-bounces at listserv.repp.org
[mailto:digestion-bounces at listserv.repp.org] On Behalf Of Cezar T
Sent: Thursday, April 03, 2008 7:59 PM
To: digestion at listserv.repp.org
Subject: Re: [Digestion] small generators - Stirling engines (Warren
Weisman)

Warren,

Check out this discussion group:
http://tech.groups.yahoo.com/group/HotAirEngineSociety

Alot of people there are discussing this issue and
they are planning to design and make something usefull
for home power generation. Currently there are almost
no commercial nor DIY engines on this topic, except
mabe expensive ones like WhisperGen's CHP
http://www.whispergen.com/

And no they do not heat water, the flame directly
heats the hot side of the engine and it needs to be
quite hot - around 1000 F, or 550C - for reasonable
efficiency and power.

-----

Why not burning the biogas in a modified gasoline
engine? 

regards,
cezar 

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----------------------------------------------------------------------
> 
> Message: 1
> Date: Tue, 1 Apr 2008 20:15:21 -0700 (PDT)
> From: Warren Weisman <weiswar at yahoo.com>
> Subject: [Digestion] small generators - Stirling
> engines
> To: digestion at listserv.repp.org
> Message-ID:
> <818469.24386.qm at web62408.mail.re1.yahoo.com>
> Content-Type: text/plain; charset=iso-8859-1
> 
> 
> Hi, all, 
> 
> Does anyone have experience with running Stirling
> engines with biogas? Could you give an idea of
> typical
> fuel use? Were you heating the engine directly, or
> heating water to run it? 
> 
> Warren Weisman
> USA
> 
> 
>      
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