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From: <CHKBOONE@ao*.co*>
Date: Tue, 17 Jun 1997 09:02:33 -0400 (EDT)
To: techdiver@aquanaut.com
Subject: Re: travel / deco gas choices

Marius,

In a message dated 97-06-16 02:50:02 EDT, you write:

<< Don't forget to have second stages that are tightened so that they can
 be taken apart underwater, and all second stages should be
 interchangeable for maxium redundancy with a minimum of gear.
 
 A deco gas failure should not be a problem. You have two working
 (hopefully) regs on your back gas.
 If all comes to worse take one of them off. They should all be
 interchangeable anyways right ?
 Unless your deco bottle rupture, there's really no reason to loose deco
 gas.
 
 If you can afford it, use the same kind of fitting (yoke/din) on your
 deco as your doubles. >>

-------------------------------------------------------------
This is a good thought in principle but it is the perfect example of a
procedure or technique that applies well to cave but not open ocean.   If you
have a free flowing regulator and take it apart to "fix" it how are you going
to feel if you drop that second stage cover or a second stage over 300 feet
of water you can not return to?   And to think, you could have used it as it
was with a little valve manipulation.   
The same could be said for switching regulators were it not for the fact that
you can secure the second stage end under a tank band while attaching the
first stage. 

Don't think I would mess with back gas regulators unless I were absolutely
desperate.   Use your buddy's reserve !
What ever you do don't take the twins off to get to the regulators.   They
will try to go one way and you the other with a fervor.

Chuck 

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