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Date: Wed, 20 Mar 1996 22:39:14 -1000 (HST)
From: Richard Pyle <deepreef@bi*.bi*.Ha*.Or*>
To: rfarb <rfarb@na*.ne*>
Cc: Barrie Kovish <bmk@ds*.bc*.ca*>, techdiver@terra.net
Subject: RE: C2 death

That's what I thought.  Thanks.

Aloha,
Rich

On Wed, 20 Mar 1996, rfarb wrote:

> 
> Barry wrote:
> 
> > > I'd be interested to know if anyone can confirm or deny the existence of 
> > > a cmfv in the CCR-1000 or any other electronic rebreather.  The problem 
> > > with a cmfv of course is the potential to become plugged.  If it did, one 
> > > might hear the solenoids clicking happily away and not adding any gas to 
> > > the system what so ever.
> 
> It is my understanding that the CCR1000 is the commercial version of the 
> Mark 15. If this is correct, then there is no cmfv but rather an 
> electro-mechanical solenoid that- at a pO2 lower than the set point- 
> admits a pulse of 1/3 liter of O2. The amount of oxygen that is admitted 
> when the valve opens is constant and independent of depth. The pulse of 
> oxygen comes from a small accumulator that is pressurized with gas at a 
> contolled pressure (by the first stage regulator) of 110 psi above 
> ambient. Rod 
> 
> 
> > 
> > I'd be interested in knowing about other rebreather designs as well. From 
> > my experience, there is a substantial audible difference between a 
> > solenoid injecting O2 and a solenoid that is "dry clicking".  You would 
> > notice this difference even if you were very distracted.
> > 
> > Aloha,
> > Rich
> > --
> > Send mail for the `techdiver' mailing list to `techdiver@terra.net'.
> > Send subscription/archive requests to `techdiver-request@terra.net'.
> > 
> 

Richard Pyle
deepreef@bi*.bi*.ha*.or*
*******************************************************************
"WHATEVER happens to you when you willingly go underwater is
COMPLETELY and ENTIRELY your own responsibility! If you cannot
accept this responsibility, stay out of the water!"
*******************************************************************

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