Generator Fuel Rules of Thumb [RE-wrenches]

[Steve Willey, Backwoods Solar]

Ezra: Sorry, while I don't have the exact translation figure for propane at
hand, I cannot agree with that at all.  First they are talking about cubic
feet of gas released at about 1/2 pound usability pressure from a gallon of
liquid propane.

Second, a liquid cubic foot of water or anything else is by volume about 8
gallons.

Steve Willey   www.backwoodssolar.com
Backwoods Solar Electric Systems
A catalog business on a mountain
2 miles from utility lines,
powered entirely by our catalog products.
IF UTILITY POWER IS 1/2 MILE OR MORE FROM YOUR SITE,
get our free 160 page solar-electric Planning Guide/Catalog.
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Phone(208)263-4290  Fax (208) 265-4788  in Idaho, USA


----- Original Message -----
From: Ezra Auerbach, Trace Engineering <ezra at lasqueti.net>
To: <RE-wrenches at topica.com>
Sent: Friday, June 02, 2000 10:07 AM
Subject: Re: Generator Fuel Rules of Thumb [RE-wrenches]


> Clearly 153 cu ft per gallon is not correct or a gallon would be 1' square
and 154' tall  or round
> about the size of 5.7 cu' yards of concrete.  154.3 cu " is a tad more
likely that would make a bit
> larger than a cubic foot which more or less is the size of a gallon of
liquid
>
> Ezra
>
> "Steve Willey, Backwoods Solar" wrote:
>
> > We sell 10 RY, larger engine low rpm, but I believe the power usage at
75%
> > load would be about twice what you figured.  The 154.3 cu ft per gallon
> > looks wrong, wasn't it somewhere around 45?  I can't find my notes
either.
> >
> > Steve Willey   www.backwoodssolar.com
> > Backwoods Solar Electric Systems
> > A catalog business on a mountain
> > 2 miles from utility lines,
> > powered entirely by our catalog products.
> > IF UTILITY POWER IS 1/2 MILE OR MORE FROM YOUR SITE,
> > get our free 160 page solar-electric Planning Guide/Catalog.
> > (Your postal address required - Our list is never given or sold).
> > Phone(208)263-4290  Fax (208) 265-4788  in Idaho, USA
> >
> > ----- Original Message -----
> > From: Travis Creswell, Ozark Solar <ozsolar at ipa.net>
> > To: RE-wrenches <RE-wrenches at topica.com>
> > Sent: Thursday, June 01, 2000 6:02 PM
> > Subject: Generator Fuel Rules of Thumb [RE-wrenches]
> >
> > > Wrenches,
> > >
> > > I have forgotten and can't seem to find anything (but I haven't looked
> > very
> > > hard yet) about generator fuel usage.  Does anyone have any numbers on
> > > gallons/hp/hr or gallons/kW/hr?  Diesel and/or Propane?
> > >
> > > I have a customers spec. sheet on a Propane Kohler 11RMY that gives
> > > 99cfh at full load.  It includes the conversion factor of
gal/hr=cfh/154.3.
> > > The math says .64 gallons per hour but I thinking that is low.
> > >
> > > Any help would be appreciated.
> > >
> > > Thanks
> > > Travis Creswell
> > > Ozark Solar
> > > Neosho,  Missouri
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