Re: [PSUBS-MAILIST] CO2 Scrubber

[Coalbunny <coalbunny@vcn.com>]

Warren, keep one thing in mind though- CO2 intoxication can be more than
just inhaling it.  You can absorb it as well.  So you may have scuba
tanks, but if the atmosphere is high in CO or CO2, it can still take you
out for the count.
Carl


Warrend Greenway wrote:
> 
> Hhhhmmm. That does sound prudent. I think I will have a scuba
> tank and regulator ready at all times. Even after I have confidence
> in my system. Cheap insurance.
> 
> Warren.
> 
> > R&D is a great activity.  But while one experiments with life support
> > improvements and modifications, I feel they should have a proven,
> > commerically produced fail-safe in case something goes wrong.
> > Carl
> >
> >
> > emm03@mirapoint.uow.edu.au wrote:
> > >
> > > Holy dead horse.
> > > Some of you guys really are insistent on this idea of 'I know
> > > what I know, and I dont want to know no more'?
> > >
> > > Playing, can also be called 'research and development'. If
> > > somone wants to play, then let him be. if you disagree, then
> > > do it privately unless you feel that everyone else would
> > > benefit. I am tired of seeing this attitude here.....its very
> > > killjoy and uninteresting.
> > > Can we leave it alone now?
> > >
> > > EM.
> > >
> > > ---- Original message ----
> > > >Date: Tue, 7 Jan 2003 01:41:03 -0500
> > > >From: "Herve" <caribsub@coqui.net>
> > > >Subject: Re: [PSUBS-MAILIST] CO2 Scrubber
> > > >To: <personal_submersibles@psubs.org>
> > > >
> > > >An engine hoist does not kill!
> > > >A defective CO2 scrubber without the right sofnolime will
> > > kill you.
> > > >A miscalculated hull will crush you at depth without warning.
> > > >You can bet on it. however if you considere sub making as a
> > > game that s your
> > > >life. Long time ago i learnt while student engineer that
> > > engineers dont
> > > >play, they may have fun but they dont play. Play and you
> > > will go broke,
> > > >loner or dead.
> > > >I would say that like in aeronautic what makes a good subman
> > > is an old
> > > >subman.
> > > >There are thousands of other items that are left to design
> > > and build that
> > > >are not "life support" why dont you focus on those, you will
> > > go under the
> > > >water sooner and safe.
> > > >Herve
> > > >
> > > >----- Original Message -----
> > > >From: "Warrend Greenway" <dub@linuxmail.org>
> > > >To: <personal_submersibles@psubs.org>
> > > >Sent: Monday, January 06, 2003 5:57 PM
> > > >Subject: Re: [PSUBS-MAILIST] CO2 Scrubber
> > > >
> > > >
> > > >> Because that's what I do every day of my life. I build
> > > things I really
> > > >> could buy, and push technology. I come from a family of
> > > engineers. We
> > > >don't
> > > >> sit on our cheeks! We DO things. I needed an engine
> > > hoist...So my dad and
> > > >> myself designed the best darn hoist you have ever seen and
> > > built it! We
> > > >> could have actually bought a good enough hoist for less,
> > > but we wanted to
> > > >> build it. That is the real reason I am interested in
> > > PSUBS. I will build
> > > >my
> > > >> hull, my instruments, my air recycling system, and my
> > > power/speed
> > > >controller
> > > >> circuitry. Why? Because that's the game! I will carefully
> > > test my system
> > > >before
> > > >> I use it, and if I can't make it function reliably then I
> > > won't use it. I
> > > >might
> > > >> even use the sofnolime blend just for fun, but I will
> > > still build my own
> > > >waste-
> > > >> heat rechargeable system to use it in. Besides it's mostly
> > > just fun to
> > > >consider
> > > >> the alternatives to standard systems. But I also see what
> > > you are saying.
> > > >Building
> > > >> everything is not for everyone. You may not have the time
> > > or interest.
> > > >That's
> > > >> fine.
> > > >>
> > > >> Warren.
> > > >>
> > > >> > 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
> > > >> > >
> > > >> > > --
> > > >> > > ______________________________________________
> > > >> > > http://www.linuxmail.org/
> > > >> > > Now with POP3/IMAP access for only US$19.95/yr
> > > >> > >
> > > >> > > Powered by Outblaze
> > > >> > >
> > > >> > >
> > > >> >
> > > >>
> > > >> --
> > > >> ______________________________________________
> > > >> http://www.linuxmail.org/
> > > >> Now with POP3/IMAP access for only US$19.95/yr
> > > >>
> > > >> Powered by Outblaze
> > > >>
> > > >>
> > > >>
> > > >
> > > >
> > > >
> >
> > --
> > "You delight not in a city's seven or seventy wonders, but in an answer
> > it gives to a question of yours, or the question it asks you, forcing
> > you to answer, like Thebes through the mouth of the Sphinx." -- Kublai
> > Khan
> 
> --
> ______________________________________________
> http://www.linuxmail.org/
> Now with POP3/IMAP access for only US$19.95/yr
> 
> Powered by Outblaze

-- 
"You delight not in a city's seven or seventy wonders, but in an answer
it gives to a question of yours, or the question it asks you, forcing
you to answer, like Thebes through the mouth of the Sphinx." -- Kublai
Khan