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Date: Thu, 14 Nov 1996 15:01:10 +0000
To: George Irvine <gmiiii@in*.co*>,
From: Helen Johnstone <helen_johnstone@mh*.bl*.co*>
Subject: RE: What hoses with a Full Face Mask?
Cc: "'TechDiver'" <techdiver@terra.net>
At 23:52 13/11/96 -0500, Donald B. MacKay wrote:
>I use Posiden first stages, one Jetstream(backup) and an Aga FFM (primary)
this time of
>year. Because of the way the Aga's reg feeds from the left, I attach it to
the first
>stage on the left post. The Jetstream on the long hose goes on the right
post. I have
>all the hoses on both first stages attached so they point down ward. The
short hose on
>the FFM goes over my left shoulder and the long hose (7') goes down behind
my right
>shoulder, just underneath my waist mounted Spectrum 14 light, diagonally
across the
>front of my body from right to the left side of my neck and around so that
it hangs by
>the right side of my neck

At 04:48 14/11/96 -0800, George Irvine wrote:
>    I know nothing of cold water, but do use the FFM on some deco's: I agreee 
>with you that the spare mask in the FFM situation must be immediately 
>deployable, and around the neck is the obvious choice. This allows you to
use a 
>normal rig even though you have the FFM. We use the Scuba Pro , which
allows any 
>Scuba Pro reg to be plugged in by just removing the mouthpiece, so if you
carry 
>another mouthpiece in your pocket, you can revert to completely normal
stuff in 
>a flash.I also agree with using the short hose to feed the mask in your 
>sitiuation, since the long hose must be ready to do anything, including
replace 
>the short hose. Clipped off on the right shoulder d-ring is the spot. 


If you have the short hose to the FFM coming in from the left, and the long
hose coming in from the right (across the chest, around the left side of
your neck and looped around the back of your neck to the right shoulder),
wouldn't there be a problem in quickly donating the long hose? Wouldn't you
have to put the long hose under the short hose (on the left side of your
neck) in order that it didn't catch the short hose? If so, wouldn't the
short hose stop the long hose being deployed over the head (as in your video). 

Just curious...

- Helen
SAA Argonaut Divers, Ipswich, England

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