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Date: Fri, 15 Aug 1997 13:46:03 -0400 (EDT)
From: Roger Lacasse <roger@ph*.mc*.ca*>
To: CHKBOONE@ao*.co*
cc: techdiver@aquanaut.com
Subject: Re: O2 clean VLPost-Roger

Ok, I quit! 

Get the Technical bulletin #5 on "oxygen Systems" from Swadgelock august 
1993 and references there in. P.2 will tell you what adiabatic 
compression by sonic velocity flow is.  No other heat source (in pp
filling) that I know as of yet, is comparable in magnitude 
and potential localisation.

My impression is that the danger of O2 fires is present only at valve 
opening time (initial pressurization of the lines, not while filling).
That is, so far, confirmed by all the incidents and non-incidents that I've 
heard/read about. It allways seems to happen when a valve is openned too 
quickly. 

                                                                    [\]
                                                                    |
=================================================================^^(_)^^^^^^^^^
 Roger Lacasse                 "I found the meaning of life!         
 Foster Radiation Laboratory,   It's in the eyes of my wife and kids."
 McGill University,                 Office: (514) 398-7025
 3559 University street,               Fax: (514) 398-7022
 Montreal, Qc, Canada.              e-mail: roger@ph*.mc*.ca*
 H3A 2B1                              http://spiff.physics.mcgill.ca/scuba.html
===============================================================================



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