Date: Wed, 21 Feb 2001 11:23:21 -0500 From: Mikel King <mikel@ocsinternet.com> To: Jim Sander <jim@federation.addy.com> Cc: freebsd-isp@FreeBSD.ORG Subject: Re: Redundancy... final(?) summary Message-ID: <3A93EB78.C385038E@ocsinternet.com> References: <Pine.BSF.4.10.10102201604110.41299-100000@federation.addy.com>
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Jim,
I'm curious have you looked into solar?
cheers,
mikel
Jim Sander wrote:
> > much ado about fuel-cell technology
>
> It seems that my question has been answered with a silent "no." Nobody
> seems to have any real experience with commercially available fuel-cell
> technology products, at least in a format that is appropriate for my
> situation. A 125KW system is a bit much for a handful of servers! :) I
> guess this is simply wanting what doesn't (yet) exist- in another year
> perhaps things will be different.
>
> Some good FAQS to start with...
> http://www.fuelcells.org/
>
> Everything I got through other sources can also be accessed from there.
>
> > comments about safety, etc.
>
> CO2 emissions still need to be vented to the atmosphere, unless you are
> into suffocation. Even though H2 fuel-cells produce only H2O and heat, the
> conversion of LPG or propane to H2 usually results in some CO2 and other
> "trace" HC emissions- whether this ends up being significant is dependent
> upon the situation. (in most cases I suspect it is, but I'm no expert)
>
> About the Hindenburg reference... modern research about the disaster
> points away from H2 being the cause. Just FYI of course-
> http://www.pbs.org/wnet/secrets/flash/hindenburg_script.html
>
> Anything flammable is dangerous if you store or use it incorrectly.
> When storing any fuel, you need to address safety. Local laws may regulate
> what you can legally do at your location, regardless of what is really
> safe. Lighter or heaver than air gases will only affect whether the room
> fills from the top down or the bottom up. (gulp!)
>
> > practicality and cost
>
> Fuel-cells are, and for the foreseeable future will continue to be,
> relatively expensive. An equivalent amount of energy from internal
> combustion sources will cost significantly less. That may change as
> technology improves and is mass produced, so eventually the fuel-cell's
> advantages will outweigh its increased cost.
>
> Personally, I'd pay more for clean power without a lot of complaint,
> assuming fuel-cells don't have "hidden" environmental impact. (probably a
> false assumption) I also would be more comfortable storing propane, CNG,
> or even H2 than I would compared to gasoline or even the less volatile
> diesel. My gas grill seems a lot safer than my lawn mower, even if it's
> really not- I think the parallel holds between generator and a fuel cell.
>
> -=Jim=-
>
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