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- Xref: sparky sci.electronics:21777 sci.energy:6520 rec.autos:30787
- Path: sparky!uunet!spool.mu.edu!agate!usenet.ins.cwru.edu!gatech!gatech!kd4nc!ke4zv!gary
- From: gary@ke4zv.uucp (Gary Coffman)
- Newsgroups: sci.electronics,sci.energy,rec.autos
- Subject: Re: Flywheel batteries as EV power source
- Message-ID: <1992Dec31.012727.12775@ke4zv.uucp>
- Date: 31 Dec 92 01:27:27 GMT
- References: <78564@ncratl.AtlantaGA.NCR.COM> <1992Dec22.214616.27043@fcom.cc.utah.edu> <1992Dec25.134459.7728@ke4zv.uucp> <Bzu6DJ.I6v@ns1.nodak.edu>
- Reply-To: gary@ke4zv.UUCP (Gary Coffman)
- Organization: Destructive Testing Systems
- Lines: 27
-
- In article <Bzu6DJ.I6v@ns1.nodak.edu> csmith@plains.NoDak.edu (Carl Smith) writes:
- >In article <1992Dec25.134459.7728@ke4zv.uucp> gary@ke4zv.UUCP (Gary Coffman) writes:
- >
- >>You don't understand. The gasoline *does* contain the same amount of
- >>energy as the flywheel, that's the whole point of the exercise. But
- >>liquid gasoline can't explode. Only gasoline vapor properly mixed
- >>with oxygen, 14:1 air/fuel ratio, can explode.
- >
- >Normally I wouldn't find fault with such an insignificant detail, but
- >I have seen this so many times during this tread that I thought I would
- >make a comment. 14:1 is the IDEAL mixture, but there is a rather wide
- >range over which the mixture will ignite. Eventually it will be so rich
- >that it will be hard to ignite due to "lack of oxygen," and in the other
- >direction there can be so little gas fumes that you couldn't cause an
- >explosion. You don't need perfect 14:1 to cause an explosion.
-
- Right, only if you want a significant portion of the energy of the
- gasoline to be released do you need a stoichemetric mixture. Richer
- or leaner mixtures will explode, but very inefficiently with most
- of the energy released slowly in the form of smokey combustion.
-
- Gary
- --
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