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Date: Tue, 10 Dec 1996 13:16:59 -0500 (EST)
To: Rdediver@ao*.co*
From: Randy Sullivan <sulteck@so*.ca*>
Subject: Re: Second Stage Comparisons
Cc: techdiver@terra.net
>Date: Tue, 10 Dec 1996 13:18:55
>To: Rdediver@ao*.co*
>From: Randy Sullivan <sulteck@so*.ca*>
>Subject: Re: Second Stage Comparisons
>Cc: teckdiver@te*.ne*
>
>At 10:04 PM 12/9/96 -0500, you wrote:
>>>don't use Scubapro or Dacor in cold water.......I haven't tried the
>>Zeagle.....<
>>
>>OK wise guy, the question was directed to second stage regulators, in cold
>>water isn't it normally the first stage that has the freezing problem which
>>causes the Intermediate pressure to increase and blow by the seat of the
>>second stage??  If you just want to pick on someone, get your facts straight,
>>address the question and then make an ass of yourself.  Maybe even offer
>>something constructive such as which regulator you would recommend.
>>
>>The Scubapro G250 second stage regulator works fine in cold water by the way.
>>
>Actually I find causes most free flows, is an ice up in the secondary.  I
have checked the dacor regs, but unfortunately did not have the opportunity
to check the scubapro.  In the last three years of running a charter boat in
whitefish bay the score is.
>Dacor                   lost count (never seen used it tec diving)
>scubapro              4
>Sherwood           3
>Aga                     1
>posidin                 0
>us diver conself     0  ( personal reg that I use commercialy in extreme
weather conditions)
>
>My conself was a 1980 model and I've had a 2" thick layer of ice on the
first stage and it delivered air like nothing was wrong.  That was on a day
that my computer read 31 deg. F. water temp.,  fighting a 5 knot in the St.
Mary's river, with surface temp at -30 deg. C.  That Jan. 1 dive day 3
divers showed up.  2 conselfs, 1 dacor. the dacor diver got 3 breaths and
frooze. 
>
>Like it or not the scubapro has failed on an important deep dive(500'+) so
it does stick in my mind. I don't think I need to say any more about dacor. 
>
Randy Sullivan
http://divers.nebulus.net/temp/scuba/scuba.html

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