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Date: Mon, 14 Feb 2000 15:33:31 +0100
To: "mechie" <mechie@we*.co*.za*>
From: Peter Fjelsten <fjelsten@ma*.do*.dk*>
Subject: Re: DIR methodology
Cc: techdiver@aquanaut.com
Den 14-02-00 12:50  skrev mechie (At 14-02-00 12:50  mechie wrote)...
>I'll remind u that the deepest dive 283m is still held by a south
>african.

And?

>I dive a poseidon cyclone 5000. Could u shed some light on problems u
>are aware of with this reg.

As far as I know:
- Cannot change 2nd stages underwater with it as it uses non-standard 
couplings
- Can you remove the second stage cover to clean it under water without 
tools?
- hoses, etc., non-standard

>Another topic that puzzles me is this changing of DV's underwater. why
>is this such an important issue? Isnt full redundancy a better plan
>than changing regs.

No. FULL redundancy - meaning extra, extra, extra - will lead you to carry 
way too much kit which leads to problems associated with:
- complexity
- increased water resistance

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