Re: GAS-L: rated power - Dual Fuel Diesel

[Harmon Seaver <hseaver@cybershamanix.com>]

       Let me rephrase my question. The best engines for producer gas are
long-stroke, high compression engines. Since diesels are normally around 20:1
or 22:1 or higher, doesn't that make them a better choice, despite the fact
that they need a bit of diesel for ignition? Or is that too high a compression
for producer gas?
     When I refered to "gas" engines, I was meaning gasoline fueled, not
engines designed for natural gas or propane (which would be rather hard to come
by, I'd think).


Thomas Reed wrote:

> Dear Harmon, Gasification:
>
> Diesel engines will burn producer gas, but require 5-20% diesel fuel for the
> ignition
>
> Spark engines will burn diesel, but the low compression ratio results in a
> 50-70% power rating.
>
> Gas engines, (or Spark or diesel converted to 12/1 CR) achieve good power on
> full producer gas and are the engine of choice for
> producer gas.
>
> Yours truly,                        Tom Reed
>
>          Dr. Thomas Reed
>   The Biomass Energy Foundation
>  1810 Smith Rd., Golden, CO 80401
> 303 278 0558;
> tombreed@home.com; www.woodgas.com
> ----- Original Message -----
> From: "Harmon Seaver" <hseaver@cybershamanix.com>
> To: <gasification@crest.org>
> Sent: Sunday, October 28, 2001 8:22 AM
> Subject: Re: GAS-L: rated power - Dual Fuel Diesel
>
> >       One question about woodgas in diesels: I think I recall reading
> > somewhere that a gas engine would burn woodgas more efficiently if the
> > compression were raised. If this is correct, then I would think a
> > diesel, with it's much higher compression, would be the best choice for
> > woodgas.
> >       And, since the diesel normally doesn't use any sort of throttle on
> > the air intake, but controls engine speed by way of the fuel injection
> > pump, with wood gas the diesel fuel use could remain minimal, just at an
> > idle setting or enough to provide ignition, no more -- and the added
> > woodgas "carburetor" controlling the engine speed.
> >
> > --
> > Harmon Seaver, MLIS
> > CyberShamanix
> > Work 920-203-9633
> > Home 920-233-5820
> > hseaver@cybershamanix.com
> > http://www.cybershamanix.com/resume.html
> >
> >
> >
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--
Harmon Seaver, MLIS
CyberShamanix
Work 920-203-9633
Home 920-233-5820
hseaver@cybershamanix.com
http://www.cybershamanix.com/resume.html



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