From: vbra676539@aol.com
Reply-To: personal_submersibles@psubs.org
To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] Escape Mockup
Date: Sun, 01 Oct 2006 17:29:31 -0400
Not complicated. A bag over the head, more or less. It gives you a captured
air bubble at whatever pressure you start from, provides lift as you rise,
equalizes constantly and lets you sip a little air on the way. And just as
a piece of trivia, George Kittredge tested the first American escape gear,
at depth, in the open ocean, from a submarine, just after World War II.
I was thinking about George's snorkel and remembered that he didn't hold
with pressurized oxygen and the like. His idea was to surface every hour or
so and ventilate the compartment, which the snorkel helped to do. I asked
him back in the early 70s what he'd do if surfacing wasn't convenient, like
maybe you were tangled on the bottom or something, and he looked thoughtful
about it. Pretty quick afterwards they designed and fabbed the K-600 for
some Norwegians and included a life support system. His personal K-350 had
an O2 storage and baralyme scrubber, as well.
Vance
-----Original Message-----
From: joeperkel@hotmail.com
To: personal_submersibles@psubs.org
Sent: Sun, 1 Oct 2006 2:04 PM
Subject: Re: [PSUBS-MAILIST] Escape Mockup
Vance,
I do not yet fully understand the mechanism and physiology of the "hood"
system. Something to look at more closely down the road.
Joe
From: vbra676539@aol.com
Reply-To: personal_submersibles@psubs.org
To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] Escape Mockup
Date: Sun, 01 Oct 2006 13:33:50 -0400
Frank and Joe,
The Navy trains blow and go with hoods, not bail-out bottles.
Vance
-----Original Message-----
From: joeperkel@hotmail.com
To: personal_submersibles@psubs.org
Sent: Sun, 1 Oct 2006 12:49 PM
Subject: [PSUBS-MAILIST] Escape Mockup
Frank,
Actually, I have thought about precisely this very issue in an effort to
train my family members under "wet" conditions.
The goal would be to train them how to "feel" for escape equipment,
maneuver within the hull, and escape through the hatch. Having practiced
this under "wet" conditions would have the same confidence building / panic
reducing effect as removal and donning SCUBA underwater.
What I am considering, is a light "open ended" mockup of the hull and
tower, for my home swimming pool. Same dimensions, but a light and sturdy
enough material to be practical, not damage the pool, and not move around
too much.
Joe
From: ShellyDalg@aol.com
Reply-To: personal_submersibles@psubs.org
To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] nekton fatality
Date: Sun, 1 Oct 2006 12:15:53 EDT
I wonder if there's a way to practice an escape under "wet" conditions
(without flooding your sub.) As a diver, I have practiced several emergency
techniques for different scenarios. I always assumed the psubs would carry
scuba gear for all passengers, mask, tank, and belt, as a minimum. The
small emergency bottles divers carry on cave/wreck dives are not
sufficient. I've never owned one because I always thought they give a false
sense of security. There's not much air in those things. Much better to be
prepared for emergencies with proper training, planning, and practice. On
dangerous dives, extra full size tanks with regulators, stationed within
reach, is the best method. Naturally then, you'd want to have the same
thing in the sub with you.
As for the accident, a blown window will result in instant pressurization,
and at 200 feet, I'm surprised anyone survived. A very unfortunate
accident, and a good lesson to us all. Frank D.
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