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Uh, Case, are you using the old sherwood wind-up bottom timers to avoid
this problem?
Jim
Sender: Case Date: 5/15/99 11:40 AM
>Guys....we're forgetting THE MOST important reason why I'd rather dive
>tables than a computer ..... electronic devices can and will fail
>underwater! I believe the question was posed as "What is the difference
>between following a deco schedule produced from a set of
>(computer-generated) tables, and following a deco schedule produced by a
>computer on your wrist?" That's easy....if your 500 MHz Pentium III
>running Z Plan fails while calculating your dive information, chances
>are, you're not underwater in a life threatening situation.... When (not
>IF...but WHEN) your CockRing, or NiTEK (I hate that name!), or any deco
>computer fails in the middle of the dive, you're left with either backup
>tables and a timer, or pulling deco out your butt....
>
>since electronics do fail underwater, why not just skip that whole step
>and rely instead on the computer between your ears and a set of good
>tables....?
>
>-Case
>diveman@cy*.co*
>
>Frank Riffel wrote:
>>
>> "Taylor, John" wrote:
>>
>> > Dear List,
>> >
>> > Please enlighten me:
>> >
>> > What is the difference between following a deco schedule produced from a
>set
>> > of (computer-generated) tables, and following a deco schedule produced by
a
>> > computer on your wrist? (Apart from algorithm differences and that the
>> > computer produces a schedule for the dive you actually did)
>>
>> Basicaly none. But you cannot account for deco related issues that are not
>> addressed by the implemented algorithm. I mean which schedule would you
>> follow if you got into strong current and had to expend some work? A table
>> would give you at the chance to select the next deeper/longer schedule a
>> computer won't.
>>
>> My impression is that a computer is nothing worth without a proper planing,
>but
>> then where is the advantage? You have to select the right gases, make a gas
>> volume planing, make the deco calculations and tables in any way -- or do
you
>> want to dive without having a contingency table?
>>
>> A thing I worry about is that computers will make divers more slopy. They
>allow
>> users to shift away from the "Plan your dive, dive your plan!" paradigm.
>> Also computers give more information than required. Hell, why do I need to
>know
>> the current pO2 or CNS% ? There is enough task loading we don't need such
an
>> information during a dive! You select your gases _before_ to stay out of any
>> tox. problems!
>>
>> Greetings, Frank
>>
>> --
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>
>--
>
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>^_ \ \ Case E. Harris
> \ \ { \ US Deep Wreck Diving Team
> { \ / `~~~--__ diveman@cy*.co*
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