RE: [PSUBS-MAILIST] Diving Catalina Island

["Smyth, Alec" <Alec.Smyth@compuware.com>]

I was once prepping for a dive (SCUBA, not sub) and gave the BC a squirt
to check the injection valve. The valve jammed open and just kept
filling the BC and then venting through the overpressure valve until I
closed the tank valve. I learned to dive before we had any BCs, at least
where I grew up (Argentina). Consequently I never had the need of a BC
for adjusting buoyancy, which I have always done simply by taking
slightly deeper or shallower breaths. So here's what I still do and
recommend as a safe practice... I wear a BC, but I don't use it. To me
it's just a life jacket if the dive boat were to leave without me.

:)

Alec


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From: owner-personal_submersibles@psubs.org
[mailto:owner-personal_submersibles@psubs.org] On Behalf Of Brian Cox
Sent: Friday, November 30, 2007 10:49 AM
To: Personal_Submersibles@Psubs. Org
Subject: [PSUBS-MAILIST] Diving Catalina Island

Hi All,
         I had a rather unsettling experience out at Catalina Island
this weekend.  While diving on the back side of the island, looking for
lobster, we were towards the end of our dive at about 35'  we decided to
drop down a bit so I raised my air expel hose from my BC to release some
air, but since this equipment was still somewhat unfamiliar to me I
accidentally hit the air inject button instead !  Which sent me to the
surface.  I had injected enough air so that there was no way I could
expel the air in time to make me go back down.  I think was rising at
about the speed of my bubbles and I
breathed out the whole time going up.   It really made me think, in that
situation I really had no way of preventing my accent.  If for  some
reason a valve like that decided to stick on I don't see too many
options for correcting that situation.  I would think an abient sub
would have the same issue.  Any thoughts on a solution to a problem like
that?

Brian Cox





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