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Date: Sun, 14 Apr 1996 05:58:44 -0700
From: George Irvine <gmiiii@in*.co*>
Subject: Genisis garbage - another reason
To: techdiver@terra.net
Cc: cavers@ge*.co*
			

       I forgot the most important reason why genisis tanks are garbage when 
doubled: you must use the worst manifold ever made outside of the "cheater 
valve" - the Sherwood D.I.N. This piece of shit is not counter-threaded like
the 
Dive Rite and Scuba Pro, so when one side tightens, the other loosens at the 
center. It has a face ring and a lip seal - true genius . The face seal is 
loosened on one side or the other when the center post moves, blowing the
o-ring 
seal, and the lip seal fails whenever it wants to. The Dive Rite, by way of 
contrast, has double barrel o-rings that allow the center piece to move without 
effecting the integrity of the seal. 

       To further demonstrate the sheer stupidity of whoever designed this 
thing, the D.I.N. posts are cocked upwards so that you can be sure to knock
your 
regulators off (break the DIN tube) if you hit something, or if the tanks fall 
over with the regulators on. This piece of remarkable forethought and 
engineering also allows the tip of the DIN post to collapse if the valve comes 
into contact with anything, like the side of your truck bed, denting the shitty 
brass they use and making it impossible to screw in the DIN connections. You
can 
not re-tap it, as the brass is like butter in the first place.

       You get all of this for about twice the price of a Dive Rite manifold.
As 
I said, only a complete and utter stroke would have something like this, and 
then only an obvious nephyte (and moron) would then come on here and argue why 
this is the right thing to have , and that I don't know what I am talking
about. 
Good luck. 

        - George


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