[PSUBS-MAILIST] submarine escape procedures

[Gregory Cotton via Personal_Submersibles]

When I went to Sub School back in 1966 we still had the training tank. We
did ascents both with the Steinke Hood and with just the life jacket. Both
systems had 2 psi pressure reliefs built into them. Ascent time from 50 ft
was 8 seconds, I don't remember what the time was from 100 ft but it was
something like 15 seconds. We had a bit of bottom time since we were doing
it in small groups.

The divers that worked in the tank just used a mask and fins. They worked
the whole tank just ducking into the open bells on the other side of the
tank for air. They kept the water very warm for them since they were there
for hours.


On Tue, Aug 5, 2014 at 12:35 PM, hank pronk via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Gregory,
> Did you do the escape training in one of those towers.
> Hank
>
>
>   On , hank pronk <hanker_20032000 at yahoo.ca> wrote:
>
>
> Cliff,
> Thanks', I spoke with a diver friend about bailing out at 400 feet.   He
> said it is very doable, but suggested taking a couple of breaths of another
> type of gas, I think it may have been helium.
> Hank
>
>
>  On Tuesday, August 5, 2014 12:00:35 AM, Gregory Cotton via
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>
> Here is the escape trunk placard from the USS Albacore, the one on my boat
> (USS Torsk) was much the same. Note the bottom times on the bottom.
>
> http://www.heiszwolf.com/subs/albacore/escape_trunk_procedure.jpg
>
>
> On Mon, Aug 4, 2014 at 10:14 PM, Clifford Redus via Personal_Submersibles
> <personal_submersibles at psubs.org> wrote:
>
> See  http://www.subdb.info/database/   scroll down to R300.  See section
> on emergency procedures in operating manual and second page of briefing
> card.
>
> Calcs show it takes about a minute for hatch to spring open after I open
> the scuttle valve.  During this time I will be using my BIBS(second stage
> scuba reg attached to Boat air supply). I have a Steinke hood in protocol
> but not sure I would use it.  Had a long discussion with doctors and tech
> divers.  As Phil notes ,  issue is onset of nitrogen narcosis rather than
> bends given the short time exposed to pressure.  Would be an uncontrolled
> ascent.
>
> My escape procedure calls for staying in place and waiting for rescue.
>  Bailout only given events called out on safety briefing card.
>
>
>
> Sent from my iPad
>
> On Aug 5, 2014, at 8:53 AM, hank pronk via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Hello all,
> We have not talked about escape procedures, that I know of.  Special
> equipment to carry, different gas to breath prior to escape depending on
> depth.  I personally would like to have a check list with escape procedures
> onboard.  Is there such a thing out there?
> Hank
>
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