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To: cb@oa*.ic*.co*.uk* (Callum)
Subject: Re: Wrong reg & depth
From: ifzd321@mc*.cc*.ut*.ed* (Richard Wackerbarth)
Cc: techdiver@opal.com (techdiver@santec)
Date: Wed, 20 Jul 1994 08:35:34 -0500

cb@oa*.ic*.co*.uk* (Callum) writes:

>It occurs to me, reading these threads, that a first stage could be simply
>modified to give a fixed interstage pressure (8-10bar).

>At what point (ISP) will a second stage reg get impossibly hard to breath from?

I would guess that you could readily breathe from an IP of 5 bar above ambient.
Unfortunately, O2 at 3-5 bar ambient is too much.

I think the idea of a shutoff regulator is certainly more practical.

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