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Re: [PSUBS-MAILIST] CO2 Scrubber
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
> > >> > >
> > >> > > --
> > >> > > ______________________________________________
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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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