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From: Jeff Bentley <jbentley@cr*.co*>
Subject: Re: Bottom Timers v. Computers
To: billwolk@ea*.ne* (Bill Wolk)
Date: Tue, 1 Jul 1997 06:56:29 -0700 (PDT)
Cc: techdiver@aquanaut.com
> 
> Hello all -
> 
> Todd Leonard and I were discussing the use of bottom timers vs. computers 
> for technical diving, and Todd suggested I post the question to the list 
> --
> 
> Once a diver goes beyond recreational diving on air, what's the best 
> bottom timer/depth gauge to use?   I'm obviously going to have to 
> relegate my air computer to recreational diving, but I'm not sure whether 
> I should replace it with an analog depth guage, digital bottom timer 
> (like the Uwatec) or nitrox computer like the Dive Rite Bridge.  Any 
> thoughts/preferences?
> 
> Best -
> 
> Bill
> --

Digital Bottom Timer (Uwatec) and some deco software.

I have  a bridge 2  (before I new better) and a BT. 

On a recent dive at Ginnie we did a bottom time of 70mins
and ran tables for 100' on 32%.  The total Decom deco
was (approx) 4min at 30', 8 at 20' and 12 at 10' on O2.

We finished deco before the Bridge (unaware of O2 deco)
cleared its 20' stop of 22 mins. Lord only knows what the
10' stop would have been. 

We rounded the whole dive to 100'. Makes you wonder if any
deco is required at all. Guess it is time to make my own
dive computer toy.

Once the bridge is bent you cant use it for anything for 24 hours
which sux. 

The BT is a better deal but requires you to think more about
what you are doing... is that so bad?

Let it also be known that I'm in good shape, dont smoke,
dive dry/stay warm, hydrate like a fish before I get in the water,
so your mileage may vary.

Jeff


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