Dave,

If I could hazard a guess, why the Draeger Lar V is not used for deco, it is
that the fraction of O2 cannot be adequately controlled.

With a proper purge, a Lar V provides something like between 40 & 70 % O2,
but there is no way to measure what you are getting, so your deco would be a
guess.

I definitely agree about the utter reliability, though. I'd love to have
one, myself, for shallower dives.

I'll stick with 100% O2 from an open-circuit system for deco, though.

Rich L

----- Original Message -----
From: Dave Sutton <pilots@na*.ne*>
To: Anthony Appleyard <mclssaa2@fs*.mt*.um*.ac*.uk*>;
<techdiver@aquanaut.com>
Sent: Saturday, October 23, 1999 7:19 AM
Subject: Re: the word "aqualung"


>
> >What make is the oxygen rebreather? Any chance of a picture of it? Where
to
> >buy one?
>
>
> Draeger Lar-V. Lots of luck finding one.
> But there are many ways to get a pure
> 02 rebreather, including making one.
> I'm -very- surprised that the technical diving
> community has not gone to these for decompression
> 02, as you can get a 4 hour duration oxygen system
> in a pacakage weighing in at mere pounds and with
> zero moving parts and zero electronics, etc.,
> they are utterly reliable.
>
> Dave Sutton
>
> --
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