Re: [PSUBS-MAILIST] CO2 Scrubber

["Herve" <caribsub@coqui.net>]

I have seen on the net a diver propulsion vehicle that works with air
pressure, yes it works, torpedoes worked that way before.
but depth is limited to 30 Ft maximum
Herve
----- Original Message -----
From: "Warrend Greenway" <dub@linuxmail.org>
To: <personal_submersibles@psubs.org>
Sent: Monday, January 06, 2003 10:04 PM
Subject: Re: [PSUBS-MAILIST] CO2 Scrubber


> LOL I guess I'm chuckling over here over your emphatic reply! You are
right, of course.
> I'll certainly be installing lead-acid in my first sub. Hey! That brings a
thought to
> mind...Has anyone on the list played with high pressure air for
propulsion? I did some
> calculations a few years ago, and it looked very viable for a weekend
diver. I was assuming
> a vaccum in one cylinder and 3000 PSI in another. There was a guy at WSU
that had a pretty
> cool air-powered sub, he said it worked great. You have to admit, that
this isn't too wild!
>
> Warren.
>
> > I second that!!!!!!!
> > What's wrong with a little beyond "tried and true?"  Maybe for the
"outside
> > the box thinkers," a fuel cell.  BUT a NUKE????
> >  Lead acid is cheep, works well and last a long time!  Not to mention
off
> > the store shelf with no strings attached.
> > Here Here Herve!
> > Dan H.
> >
> > ----- Original Message -----
> > From: "Mark Steed" <plutomark@mail.astate.edu>
> > To: <personal_submersibles@psubs.org>
> > Sent: Monday, January 06, 2003 5:31 PM
> > Subject: Re: [PSUBS-MAILIST] CO2 Scrubber
> >
> >
> > > Herve: I love it and thanks! As usual, my best regards, Mark Steed
> > >
> > >
> > > ---------- Original Message ----------------------------------
> > > From: "Herve" <caribsub@coqui.net>
> > > Reply-To: personal_submersibles@psubs.org
> > > Date:  Mon, 6 Jan 2003 18:17:17 -0400
> > >
> > > >Hi,
> > > >I dont understand why you dont want to use the sofnolime specially
> > designed
> > > >for life support systems, do you want to make your own just to save
$50
> > and
> > > >risk your life.
> > > >Amazing to see that every year divers die with market rebreathers,
yet
> > guys
> > > >outhere are ready to dive in carboard sub and milk cartons
rebreathers
> > and
> > > >try anything for the freedom of doing it.
> > > >A "regular" sub is ALREADY difficult and tricky to put together, why
even
> > > >considere nuclear homemade sub, flying subs, propane subs, peroxyde
subs,
> > > >and other out of your mind submersible, did anyone tried telekinesis
sub,
> > > >warp sub,  or time travel sub, is there anyone left here who wants to
> > build
> > > >just a realistic sub?
> > > >Herve
> > > >----- Original Message -----
> > > >From: "Warrend Greenway" <dub@linuxmail.org>
> > > >To: <personal_submersibles@psubs.org>
> > > >Sent: Monday, January 06, 2003 1:03 PM
> > > >Subject: Re: [PSUBS-MAILIST] CO2 Scrubber
> > > >
> > > >
> > > >> I understand why divers wouldn't want to, but I still do. I don't
> > > >> see what the problem is. You simply have to properly granulate and
> > > >> hydrate the calcium hydroxide. Furthermore, you can get the product
> > > >> from chemical suppliers properly packaged and pure for less. I
wouldn't
> > > >> need of want the coloring agent. I would be using CO2 analyzers on
> > inlet
> > > >> and exhaust to decide when to replace. Like I said though, the
medium
> > is
> > > >> rechargeable. I don't think you would want to if you were talking
short
> > > >> range weekend diver...
> > > >>
> > > >> Warren.
> > > >>
> > > >> > At 09:52 AM 1/6/2003 +0800, Warrend Greenway wrote:
> > > >> > >The basic scrubber will consist of a canister with two screens
> > > >> >
> > > >> > >calcium hydroxide is standard slaked or hydrated lime, available
at
> > any
> > > >> > hardware
> > > >> > >store for a few bucks a fifty pound sack.
> > > >> >
> > > >> > I've been on the "rebreather" listserv for a couple years since
this
> > is
> > > >> > another interest of mine. You might enjoy this website--
> > > >> > http://www.atlimp.com/pend2.htm, although he is more serious with
> > other
> > > >> > projects - http://www.atlimp.com/home.htm
> > > >> > other "famous" homemades -
> > > >> > http://www.metacut.com/rebreathers/TP2000/Default.htm (this
author
> > died
> > > >> > last month when the helicopter he was piloting crashed into NY
> > > >waterfront
> > > >> > at night- another dangerous activity),
> > > >> > http://home1.gte.net/doctrbob/CCO2.htm,
> > > >> > http://www.hrc.wmin.ac.uk:8080/xml/kiss/home,
> > > >> > http://insel.heim.at/malediven/350052/english.htm
> > > >> >
> > > >> > I don't think any serious divers would use hardware store
hydrated
> > lime.
> > > >> > The CO2 absorption depends on the exposure to the surface area of
the
> > > >> > sodalime "granules" and anyone who bets their life on such only
> > > >purchases
> > > >> > prepared "sodalime" from suppliers that have a consistant and
> > reliable
> > > >> > product. The sodalime is discarded and replaced in the scrubber
for
> > each
> > > >> > dive. source -
http://www.metacut.com/rebreathers//sofnolime.htm -
> > this
> > > >one
> > > >> > changes color as product is used up.
> > > >> >
> > > >> > William Alford
> > > >> > walford@dbtech.net
> > > >> >
> > > >> > Tout comprendre c'est tout pardonner
> > > >>
> > > >> --
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> > >
> > >
> >
> >
>
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