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Scott,

By putting a computer coming off each post, you are bastardizing DIR to an
extreme.  Where does the computer from the right post clip to?  Your
cannister?
As I said earlier, by solving a non-problem (using a bottom timer instead of
computer), you are creating other problems.

It is also very important to understand deco (something I'm trying to do
now).  Having a computer encourages flying by the seat of your pants diving.
Little planning involved.  I think that it would be much better to
understand deco well enough that if for some reason you blew your plan,
didn't have tables to deco to, lost a gas, etc you'd have enough knowledge
to do the deco to get you out of the situation.

Besides, computers are an expensive alternative to a better system...

just my .02
steve

----- Original Message -----
From: <ScottBonis@ao*.co*>
To: <artg@ec*.ne*>; <donburke56@ya*.co*>; <techdiver@aquanaut.com>
Sent: Monday, June 12, 2000 11:11 AM
Subject: Re: Oxygen Toxicity - using 100% in open water


> These are good questions to talk about.  In an earlier post I suggested
that
> it might be wise to mount the two air integrated computers on different
posts
> so I imagine if there were a failure in the primary gas supply such that
one
> side needed to be shut down and the isolator closed, I would simply use
the
> computer that was on the good post (the one I'd be breathing) to finish
the
> dive.  If there were a total failure of the primary gas supply (requiring
at
> least two independent failures) such that buddy gas sharing was required
(I
> shudder to think of this happening on a deep dive), then as you indicated
> both computers would switch to deco gas.  But if either of these primary
gas
> system failures were to occur, then the dive would be called immediately
and
> I (or I and my buddy together) would ascend immediately, switch to the
deco
> gas and finish the dive.  The only computer error would be the computer
> thinking I was on deco gas for the few minutes ascending while buddy
> breathing.  And the backup waterproof tables, using the computers as depth
> gauges / bottom timers, could always be used to figure a new deco schedule
if
> needed.
>


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