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Date: Thu, 27 Jul 2000 16:42:39 +0200
From: mat.voss@t-*.de* (Matthias Voss)
To: James Dibbs <James.Dibbs@ma*.co*.au*>
CC: techdiver@aquanaut.com
Subject: Re: DIR talk vs DIR diving
Dacor/ Draeger overcompensation

> "INCREASE INTERMEDIATE PRESSURE WITH DEPTH"

Yes it does, ie IP is not at a constant level above ambient pressure,
but is increased for eg 0,5 bar for every 10 m of depth.
Draegers OC regs have the same feature.
They want rather a constant pressure relation , rather than a certain
top . They say it should increase performance at depth. Might work well
with their 2nd stages which are dynamically balanced. They might need
that, too. ( actually the draegers are simple and robust.

Matthias
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