[PSUBS-MAILIST] Ballast air

Wed Mar 11 22:24:42 EDT 2015

Hi Allen,

What I have is simpler than a full blown rebreather.

The oxygen supply/flow enters the cabin at the scrubber canister. The
canister has an air filter on it already (dust/smoke/hydrogen sulfide...).
The emergency piece of equipment is a full face mask with a hose that
connects to the scrubber assembly (fan off) on the inhale side, exhale goes
back into the cabin.

The next simple version may be just a full face mask with dust/vapor
cartridge, good enough to keep your eyes and lungs clean while making a
quick ascent.

Those millionaires get all the toys.

Adam

  _____  

From: Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org]
On Behalf Of Alan James via Personal_Submersibles
Sent: Wednesday, March 11, 2015 5:27 PM
To: Personal Submersibles General Discussion
Subject: Re: [PSUBS-MAILIST] Ballast air

Hi Adam,
that would require a rebreather style set up to do that.
I believe they had a rebreather back up on James Camerons sub.
A bit expensive & complicated.
Alan

  _____  

From: Adam Lawrence via Personal_Submersibles
<personal_submersibles at psubs.org>
To: 'Personal Submersibles General Discussion'
<personal_submersibles at psubs.org> 
Sent: Thursday, March 12, 2015 8:27 AM
Subject: Re: [PSUBS-MAILIST] Ballast air

For emergencies, wouldn't you use a full-face mask connected to a CO2
scrubber and air filter and pure oxygen, all on the inhale side...

Compressed scuba air would increase cabin pressure and make things
uncomfortable...

-----Original Message-----
From: Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org]
On Behalf Of hank pronk via Personal_Submersibles
Sent: Wednesday, March 11, 2015 10:26 AM
To: Personal Submersibles General Discussion
Subject: Re: [PSUBS-MAILIST] Ballast air

Brian,
I don't mean oxygen, I mean  regular scuba air.  I have and am sure all
other subs have scuba breathing apparatus for emergencies like smoke.  I
take air from my ballast supply for that purpose.  If your ballast air is
Nitrogen then you will need an extra tank for emergency breathing.  
Hank --------------------------------------------
On Wed, 3/11/15, Brian Cox via Personal_Submersibles
<personal_submersibles at psubs.org> wrote:

Subject: Re: [PSUBS-MAILIST] Ballast air
To: "Personal Submersibles General Discussion"
<personal_submersibles at psubs.org>
Received: Wednesday, March 11, 2015, 10:18 AM

Yes, my oxygen will be a separate
tank, or tanks.

Brian

--- personal_submersibles at psubs.org
wrote:

From: hank pronk via Personal_Submersibles
<personal_submersibles at psubs.org>
To: Personal Submersibles General Discussion
<personal_submersibles at psubs.org>
Subject: Re: [PSUBS-MAILIST] Ballast air
Date: Wed, 11 Mar 2015 05:37:11 -0700

Brian,
You must be planning to have a separate tank for emergency  air for
breathing, in case of fire etc.
Hank
--------------------------------------------
On Wed, 3/11/15, Brian Cox via Personal_Submersibles
<personal_submersibles at psubs.org>
wrote:

  Subject: [PSUBS-MAILIST] Ballast air
  To: "PSubs" <personal_submersibles at psubs.org>
  Received: Wednesday, March 11, 2015, 2:50 AM

  I'm planning on having
  3 - 300cu ft air cylinders for my ballast supply air.
  I noticed that if I get them filled with nitrogen it is
  cheaper than getting breathing or industrial air
  !   That is, until I get my own
  compressor. Brian

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