Why I abuse batteries was: trojan battery cycle [RE-wrenches]

[Travis Creswell]

The bubbles don’t change the SG of the sample drawn into the hydrometer as
long as you tap the hydrometer until they are dislodged from the float at
which time they rise to air space at the top.  Right?  Or are we talking
about microscopic bubbles that I can't see (like air entrained air in a
boiler when you initially fill it?)?

I always thought the bubbles in my hydrometer came from the action of
drawing the sample to quickly or not having the hydrometer fully immersed in
the electrolyte.  Because when I draw the sample slowly I get a nearly
bubble free sample.

Travis Creswell
Ozark Energy Services

-----Original Message-----
From: Bob Ellison [mailto:reellison at gmail.com] 
Sent: Saturday, February 16, 2008 8:01 AM
To: RE-wrenches at topica.com
Subject: Re: Why I abuse batteries was: trojan battery cycle [RE-wrenches]

It is really simple, the bubbles get lifted into the hydrometer and
make the fload read higher than it would otherwise.

 bob


On Feb 15, 2008 11:46 AM, Allan Sindelar <allan at positiveenergysolar.com>
wrote:
>
> Drake,
> I have long understood that the bubbles created by the gassing action
during
> charging stirs up and destratifies the electrolyte. Is that what you're
> referring to?
> Allan at PosE
>
>
> ----- Original Message -----
> From: "Drake Chamberlin" <Drake.Chamberlin at redwoodalliance.org>
> >
> > It seems that the specific gravity is affected by bubbles in the
> > electrolyte during charge.  I've heard this from others, and it
> > appears to be true from my observation.   Does anyone have any data
> > on this effect?
> >
>
>
>
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