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

[Drake Chamberlin]

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This is a good discussion.  Early on I was taught that it was 
important to wait for bubbles to gas out due to both the effect of 
bubbles on the float and microscopic bubbles changing the weight of 
liquid.  The two effects seem to go in opposite directions, so maybe 
there is no problem.  If there is not, it would expedite matters.

Drake


At 11:30 AM 2/16/2008, you wrote:

>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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