Re: Rebreather caution...

["Allan Gaines" <exfloridians@ecsu.campuscwix.net>]

-----Original Message-----
From: Alan D. Secor <secor@btv.ibm.com>
To: personal_submersibles@psubs.org <personal_submersibles@psubs.org>
Date: Wednesday, June 30, 1999 09:15 AM
Subject: Rebreather caution...


>Just a word of caution for anyone thinking of building their own
>rebreather (and if you are, you probably already know this).....
>Rebreathers can be extremely dangerous...it is very easy to pass out
>from hypoxia WITHOUT WARNING if there is a malfunction in the O2
>delivery system.  Contrary to popular belief, it is CO2 and not O2
>which triggers us to breath.  As long as the scrubber is happily



    Two Cents:  You're right.  The wife is a RN, and she's said the
same thing.  Someone that gets too much O2 in the blood will
tend to stop breathing- the CO2 does cause/control breathing.
[She can explain it better than me. <g>]