Keep in mind that the only time you notice the 15% difference is when 
you're at 300 feet on air <g>.

On a related note, I love to read the ridiculous articles in dive magazines 
that compare regulator performance.  They try to find the best breathing 
reg at depths of like 150+ using air.  People forget (or simply don't know) 
that when you DIR (add a bunch of helium at depth), the friction is greatly 
reduced due to the overall reduction in fluid density due to the helium.

-  Bill

-----Original Message-----
From:	Harris, Paul [SMTP:pharris@cr*.pl*.uk*]
Sent:	Wednesday, April 12, 2000 10:52 AM
To:	'Drew Glasbrenner'; 'trey@ne*.co*'; 'Cave listserv'
Subject:	RE: Back Gas Regulators

 << File: ATT00005.txt; charset = windows-1252 >>

The other reason people (I did anyway) insist on using the end port is that
in the manual you are told that you will get ~15% better performance from
that port compared to the others on the turret.

JJ put me straight there :-), I've never noticed any difference apart from
the
fact that I did not get the tight bend when sharing.

r
Paul

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