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Re: [PSUBS-MAILIST] CO2 Scrubber
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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