Dr. G , you can make the shims like pennies with a shim kit and punch set
from MHC. I noticed JJ had some new valves he is testing last time I was at
his house. I did not see any burst plugs in them. Hopefully we can get those
in the future.

All my cars are black, and before I had a white van, I went diving one time
in one of the cars ( I still do that , but I take the tanks out
immediately ). Anyway, I stopped and went into a restaurant for a while.
When I got to the dive site, all of my tanks were empty.

Then, for a while I left all my stuff in a garage that was not air
conditioned. I kept losing all the tank o rings, and all of my scooter
batteries and light batteries would fail in no time. Now I leave the airco
on low in the hot months and have no problems with any of that now.

The best was McKinlay, he had a shed with a tin roof and it used to cook his
gear like a barbeque. He'd get one dive out of a scooter. Of course it took
us a while to get it. I had to have an oxygen tank spray me with metal
before I got the idea of the heat blowing out the rings and disks.

-----Original Message-----
From: Wendell Grogan [mailto:wgrogan@dc*.ne*]
Sent: Tuesday, June 12, 2001 9:27 AM
To: Steve Schultz
Cc: quest@gu*.co*; techdiver@aquanaut.com
Subject: Re: So I got home and my tanks were empty...


Plugging the disks can get you thrown out of many shops if you try to
get fills when traveling.  A know that many people double the disks.
This has the same effect as plugging, but it still looks like you have
the proper burst disks.
As far as I know, only Uncle (granny?) Sam requires these things.  They
are a hold over from the old tank valve configurations and, as pointed
out by Trey, they are nothing more than another failure point in the era
of O-rings.
Wendell

Steve Schultz wrote:
>
> Thanks.
>
> Just a little survey:
> How many tank neck orings have you guys blown, and what were the suspected
> reasons?  This was my first.
>
> What about the noise this would've made?  I wasn't around to hear them go.
> How long would it have taken the air to escape?
>
> I'm still a little apprehensive about plugging the disks.  I've never seen
> one blow, and no one I know around here has plugged them.
>
> ss
>
> ----- Original Message -----
> From: Trey <trey@ne*.co*>
> To: Steve Schultz <se2schul@st*.ma*.uw*.ca*>; <quest@gu*.co*>;
> <techdiver@aquanaut.com>
> Sent: Monday, June 11, 2001 9:41 PM
> Subject: RE: So I got home and my tanks were empty...
>
> > They got too hot and blew it out - that is why burst disks are for
> morons -
> > the ring goes.
> >
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