[Rhodes22-list] Water tank

[Rob Granger]

I think Richard is correct.   I've collapsed a plastic gas can simply by
opening it on a hot day and then closing it back up.  That night when
things got cold (I live near the mountain so we get cool nights) the can
collapsed just like your water tank did.




On Sun, Oct 20, 2013 at 12:46 PM, Rick <sloopblueheron at gmail.com> wrote:

> Ted,
>
> Maybe you need an overflow vent.
>
> Rick
>
>
> On Sun, Oct 20, 2013 at 11:38 AM, Theodore Boender <boendert at me.com>
> wrote:
>
> > All,
> >
> > last week when I pulled my boat out of the water I emptied the water tank
> > by running it completely empty.  Now today when I'm getting the boat
> ready
> > for winter I look at the water tank and it looks like this, see picture.
> It
> > appears as if there was a vacuum in the line and sucked all the water out
> > of the tank and the air and collapsed the water tank. What did I do
> wrong?
> >
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> >
> > Cheers,
> > Ted
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-- 
Dr. Robert Granger
Department of Chemistry
Sweet Briar College
434-381-6403
rgranger at sbc.edu