[PSUBS-MAILIST] saftey gear

[hank pronk via Personal_Submersibles]

James,
That vest is very similar to the Stinke hood without the hood.  I find if the Stinke hood is manually inflated it is very manageable and I can get out of the sub easily.  When it is inflated from submarine hp air it is rock hard and restricts my movement.  Maybe your vest is a better option with a spare air.
Hank
 --------------------------------------------
On Wed, 7/1/15, James Frankland via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 Subject: Re: [PSUBS-MAILIST] saftey gear
 To: "Personal Submersibles General Discussion" <personal_submersibles at psubs.org>
 Received: Wednesday, July 1, 2015, 4:50 AM
 
 Hi
 Hank, I have a Buddy Pacific ablj
 which is an older type diving jacket (we used to call them
 the "toilet seat").  Emile and Carsten did a load
 of testing of escape and decided this was the best
 compromise.  The jacket is a life jacket and also had a
 small air tank, plus regulator so you can breath and fill
 the jacket.  There is a manual dump valve for releasing
 air.   I have done emergency ascents
 using a similar type of jacket while doing diving training
 and although the dump valve is manual, I have found that as
 the air in the jacket expands as you ascent rapidly, the air
 releases from the dump valve anyway, forcing its way past. 
 Its not ideal but the jacket stays
 intact. Its one of these. 
  http://www.thediveforum.com/showthread.php?2660-Dive-Shed-Clearout-(and-no-I-m-not-doing-fundies-yet-)
 On 1 July 2015 at 00:29,
 hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
 wrote:
 Hi
 Alec,
 
 Thank you, this has been on my mind lately.  I have the
 same except for the inflatable vest.  I have plenty of room
 to get the Stinke Hood on but I find it very cumbersome.
 
 Hank
 
 --------------------------------------------
 
 On Tue, 6/30/15, Alec Smyth via Personal_Submersibles <personal_submersibles at psubs.org>
 wrote:
 
 
 
  Subject: Re: [PSUBS-MAILIST] saftey gear
 
  To: "Personal Submersibles General Discussion"
 <personal_submersibles at psubs.org>
 
  Received: Tuesday, June 30, 2015, 9:03 AM
 
 
 
  Hi
 
  Hank,
 
  Snoopy has a BIBS,
 
  which would be used during cabin flooding. Each crew
 member
 
  wears a compact inflatable jacket that uses a CO2
 cartridge
 
  and has a Spare Air for a few breaths on the way up.
 
  Although the life jackets do not have over-pressure
 valves
 
  like a Steinke hood, the amount of gas in the cartridge
 is
 
  limited and therefore the life jackets should not
 explode.
 
  My understanding is these cartridges have about 800 psi
 in
 
  them, so they should be able to inflate at depth albeit
 much
 
  more slowly than on the surface. I do expect they will
 reach
 
  only a fraction of their normal volume at depth given
 the
 
  amount of gas in the cartridge, so they will provide only
 a
 
  very slow start toward the surface. But the difficulty
 with
 
  the Steinke hoods is getting them on in such a confined
 
  space. Maybe in the new sub I could store some spare
 trawl
 
  floats in the cabin (there's more space) for speeding
 a
 
  swimming ascent. 
 
 
 
  Best,
 
 
 
  Alec  
 
 
 
  On Tue, Jun 30, 2015 at
 
  8:07 AM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
 
  wrote:
 
  Alec,
 
 
 
  What type of bailout equipment do you carry.  I have a
 
  Steinke Hood but it is a squeeze to get through the
 hatch
 
  with it inflated.
 
 
 
  Hank
 
 
 
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