Re: [PSUBS-MAILIST] CO2 Scrubber

[Coalbunny <coalbunny@vcn.com>]

Now that really sucks!  What brand are they?  What year were they
manu'd?
Carl


Warrend Greenway wrote:
> 
> Grrrrrr. All the data I collected was bogus, that is why it looked so good.
> The CO2 sensors aren't working. Maybe that is why they are so cheap. Freak.
> Anyhow, let that be a lesson to us all! Never trust a sensor! I'll get sensors
> that work and I'll try again.
> 
> 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
> > > >> > >
> > > >> > > --
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> > > >>
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> >
> > --
> > "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
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-- 
"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