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Article #15908

Re: Flywheel batteries as EV power source

#15908
From: Carl J Lydick
Date: Sun, 20 Dec 1992 23:01
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In article <1992Dec17.192329.25210@news.cs.brandeis.edu>, andyh@chaos.cs.brandeis.edu (Andrew J. Huang) writes:
=Take a 50's Caddy going 100mph.  Put it into many barrels of sand.
=Did it go BOOM?

You seem to be missing something here:  The amount of energy you'd have to
store in a flywheel to make it work as a "battery" for an EV is MANY times more
than the energy required to accelerate a 50's Caddy to 100 mph.  Further, the
flywheel's presumably going to be in something intended to contain it in the
event of a catastrophic failure.  If that container fails, it will nearly
instantaneously release much of the energy that had been stored in the
flywheel.  In other words:  Release a lot of energy inside a pressure vessel,
and allow that vessel to fail.  BOOM!  Really?

=Take a loaded tractor-trailer with bad brakes.  Put it down a mountain
=road.  Send it up the "Failed Brakes" escape road.  Did it go BOOM?

Try picking a vaguely valid analogy next time, will you?
--------------------------------------------------------------------------------
Carl J Lydick | INTERnet: CARL@SOL1.GPS.CALTECH.EDU | NSI/HEPnet: SOL1::CARL

Disclaimer:  Hey, I understand VAXen and VMS.  That's what I get paid for.  My
understanding of astronomy is purely at the amateur level (or below).  So
unless what I'm saying is directly related to VAX/VMS, don't hold me or my
organization responsible for it.  If it IS related to VAX/VMS, you can try to
hold me responsible for it, but my organization had nothing to do with it.
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References: <1992Dec15.194558.2556@adobe.com> <1992Dec16.192456.6261@news.cs.brandeis.edu> <1goebdINNik@gap.caltech.edu>,<1992Dec17.192329.25210@news.cs.brandeis.edu>

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From: carl@SOL1.GPS.CALTECH.EDU (Carl J Lydick)
Newsgroups: sci.electronics,sci.energy,rec.autos.tech
Subject: Re: Flywheel batteries as EV power source
Date: 20 Dec 1992 23:01:12 GMT
Organization: HST Wide Field/Planetary Camera
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Message-ID: <1h2tvoINNfm0@gap.caltech.edu>
References: <1992Dec15.194558.2556@adobe.com> <1992Dec16.192456.6261@news.cs.brandeis.edu> <1goebdINNik@gap.caltech.edu>,<1992Dec17.192329.25210@news.cs.brandeis.edu>
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