[PSUBS-MAILIST] FW: Escape with Steinke Hoods.

[Hugh Fulton via Personal_Submersibles]

Hi Hank,  Comsub has no flood valves and I was going to put one in but would
have to weld through the hull.
My concern is that the effects of narcosis at that depth will be fairly
severe and that a mixed gas might prevent that and allow clearer thinking.
Hugh


-----Original Message-----
From: Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org]
On Behalf Of hank pronk via Personal_Submersibles
Sent: Friday, 16 January 2015 2:02 a.m.
To: Personal Submersibles General Discussion
Subject: Re: [PSUBS-MAILIST] FW: Escape with Steinke Hoods.

Hugh,
My understanding is, use regular tank air because your bottom time is so
short.  One of the members posted an allowable time chart for flooding.  I
think it is something like 1min 30 sec for 400 feet.
Does Com Sub have a flood valve, Gamma never did until I put one in.
Hank
--------------------------------------------
On Wed, 1/14/15, Hugh Fulton via Personal_Submersibles
<personal_submersibles at psubs.org> wrote:

 Subject: [PSUBS-MAILIST] FW: Escape with Steinke Hoods.
 To: "'Personal Submersibles General Discussion'"
<personal_submersibles at psubs.org>
 Received: Wednesday, January 14, 2015, 10:51 PM
 
 
  
 
  
  Hi Guys,My two
 Steinke hoods turned up. Made in USA 1982. Still in good  condition.  I 
have looked at the escape training  video which was great. Questions.  It is
obvious you  need a fill hose for the initial fill at depth prior to
opening the hatch.  i.e. if you are at 10 atmospheres  depth then you need
to fill it with 10 atmospheres (bar)  pressurised air. 1.  How many of you
are  adding a Steinke fill hose with an Aro coupling for this  purpose.  2.
Breathing this will  give you narcosis.  So is it better to have 2 bottles
of mixed gas for this purpose? One for 8-15 bar depth  escapes and one for
16-25 bar depth escapes.  Air could  be used up to 8 bar.3.  What are the
mixes  recommended for these depths to prevent narcosis as it could  take 5
minutes to pressurise and escape. Chs  Hugh.
 
  
 
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