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concrete, MOWOG, and chains

Subject: concrete, MOWOG, and chains
From: (Denise Thorpe)
Date: Tue, 31 Oct 95 10:49:36 PST
Ray quibbled:

> > One thing that was said in all this winter storage debate that's a hit 
> > and not a myth is that batteries shouldn't be set on concrete.  Concrete
> > is a heat sink; it continuously removes heat from the battery thereby
> > driving the chemical reaction that discharges it.  This is helped along
> > by the battery's natural tendency to want to return to an equilibrium 
> > state, which is half-charged.  Which explains why a completely discharged 
> > battery will recharge itself slightly when left sitting.  Any discussion?
> > 
> > As Popeye muttered, "I ain't no physikist, but I know what matter's."

...some compliments designed to soften me up for the kill, deleted...

> If you sit a warm battery on cold concrete, then yes, the concrete will
> serve as a heat sink until the battery temperature equals the concrete
> temperature.  But I know of no reason why this should discharge the
> battery.  

...a bunch of technobabble deleted...

> Finally, a wet cell battery's equilibrium state isn't half charged.  If 
> that were the case, you could not discharge a battery by running the 
> starter.  

...more technobabble deleted...

Some mechanic told me this business about batteries and concrete.  It 
sounded good to me even though he ain't no physikist, either.  When I was 
a carpenter (not Karen), I was told that sitting on concrete for any length 
of time would automatically cause hemorrhoids.  I don't believe this, but
I haven't been willing to disprove it.  Soon, I'll be throwing salt over
my shoulder.

I have some good batteries sitting around in cars that I'm not driving, so 
I'll set one on concrete and see how long it takes it to go dead.  And I'll 
do this about the time I remember to call the guy who told the alternate 
MOWOG story.  In the furor after I accused Cecil Kimber of being a doodler,
no one answered my question: has anyone ever seen MOWOG on a pre-war part?

> Now you're going to hate me.
Naaah.  I could never hate _you_.

BTW, a chain is ten yards so they know if it's a first down or not.  Any
Brit who wants this explained will have to explain cricket to me.  And
while I'm on the subject, since the British invented the measurement
system we use, how come all of _their_ measurements are bigger?

Denise Thorpe

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