[Public-List] Marine Survey

[George Dinwiddie]

Rob,

Looking at these two reports:

rbrtschindler at netscape.net wrote:
> I found a way to get my battery boxes below the cabin sole.  After
> struggling for an hour I gave up and put the box on the dock to tend
> to other chores.  It was a pretty hot day and probably sat in the sun
> for a couple of hours.  When I came back to retrieve the box I found 
> it was rather maleable.  I figured I'd give it one last try and low
> and beholed(with a little help on my part) it went in.  With the next
> box I filled it with boiling water and found it went in even easier
> than the first.

and

> He received a call from the Marina owner at 8am the next morning
> relaying that his boat was underwater.  It seems that the 2 bank
> charger had not shut off at full charge and baked his battery to such
> a degree that it shorted out.  We all got a look at the battery after
> she was raised and loaded on her trailer and the top half was
> physically missing except for the negative post and half the
> positive.  There was a hole the size of a quarter directly below the
> battery and a 14" diameter spot around it that was so brittle it
> would crack to the touch.

I just don't see how a battery box is going to provide much protection 
against an overheated battery.

  - George

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