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To: Carl
To: G
To: Heinzl <heinzl@wi*.en*.de*.co*>
Subject: Re: regulators for deep diving...
From: Richard Pyle <deepreef@bi*.bi*.ha*.or*>
Cc: techdiver@opal.com
Date: Fri, 1 Apr 1994 06:57:41 +22305714 (HST)
On Fri, 1 Apr 1994, Carl G Heinzl wrote:

> I'm looking for a new regulator that will breath well
> down into the 200 ft range (my max depth will probably
> be 220 or so).  I have not seen any tests that go to
> these depths (they all stop somewhere around 130 feet
> or so).  Are there tests like this out there?? If so
> where can I find them.
> 
> The two obvious choices that I'm considering are the
> Scubapro MK XV/D400 and the Poseidin Odin.  I've heard
> that the Zeagle regulator is excellent as well
> (and one person at the dive shops actually said that
> it is made by the same company that makes Scubapro
> equipment - any truth to this???).

I use both Scubapro & Poseidon regs. on deep trimix dives, and have found
that both function very well at depth.  Contrary to what I've read in
published reports, the Poseidons (Odins) don't seem any better than the
Scubapros (Mk10/G-250 & Mk10/D-350) at great depth (I've breathed both
below 400' on several occasions).  I also know of some folks who have used
the Scubapro D400 on dives in the 500-750' range, and reported excellent
results.  In my present rig, I use the Poseidon's for trimix & the
Scubapros for decom.  This is not because I trust the Poseidons any more
than the Scubapros; but rather because the Poseidons don't breathe as well
at depths shallower than 130' (they don't provide a "smooth" breath).  If
I were buying new Poseidon's, I'd probably get Cyclons, rather than Odins.
(Less finicky, I'm told).

Hope this is useful to you.

Aloha,

Richard Pyle

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