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Re: [PSUBS-MAILIST] Life Support (O2)
Harry -
Medical oxygen is bone dry. O2 in the lines
will accelerate oxidation (rusting) if humidity is present.
I may install a dehumidifier in Magical
Child. In the long run, the idea of rubbing anti-fog all over my canopy
doesn't really appeal to me.
Because my sub will be an ambient, one way I'll be
reducing humidity in the cockpit is by venting my breathing exhaust directly out
of the cabin. Perspiration and water vapour from my latte
(seriously) will be the only sources of humidity in the boat.
Initially a towel and anti-fog will do.
Hope this helps.
Rick L
----- Original Message -----
Sent: Friday, January 13, 2006 9:50 AM
Subject: Re: [PSUBS-MAILIST] Life Support
(O2)
> Harry Spillett schrieb:
> >
> > Carsten,
>
>
> > Do you know if the different grades of oxygen have different
quantities of
> > moisture in them? I would of thought it best to use a
drier version if
> > possible to keep the humidity in check for longer
dives.
>
> Your body breath much more humidity than the gas will be
contains..
>
> .. breath out close to an mirror or
>
..breath out during winter time outside your house to test that..
>
> > Will you be fitting a dehumidifier or other air conditioning
equipment to
> > Euronaut?
>
> No not realy, the co2
absorber will eat just a little of the moisture.
> But the top 2/3 of the
pressure hull cylinder will be insulate - and the
> 1/3 below the
foorplate not. Condensation will be happend below the
> floor plates - and
run than to the bilge system. Hopefully the area on
> top of the
floorplate were the crew is - will be more or less dry.
>
> But a
Psub with a diver look in and out and wet scuba suit will be maybe
> wet
all the time..
>
> best regards - Carsten
>
>
> Regards,
> >
> > Harry
> >
> > >
-----Original Message-----
> > > From: owner-personal_submersibles@psubs.org
[mailto:owner-
> > > personal_submersibles@psubs.org] On
Behalf Of Carsten Standfuss
> > > Sent: Thursday, January 12, 2006
10:52 PM
> > > To: personal_submersibles@psubs.org
> > > Subject: Re: [PSUBS-MAILIST] Life Support (O2)
>
> >
> > > You can use "industrial Oxygen" (for welding
Porpose) as breathing
> > > oxygen. We use it in our rebreather as
pure stuff without any problems
> > > as most diver and pilots did.
The o2 Came from the same machine as
> > > "medicine oxygen". I have
heard that today the only difference for
> > > "medicine o2" is that
they create/pump a vaccum inside the bottles
> > > before they
filled the bottles - to make shure that no other gas or air
> > > is
inside the bottle..
> > >
> > > best regards
Carsten
> > >
> > >
> > >
> > >
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