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In a message dated 7/16/98 1:49:03 PM Eastern Daylight Time,
zimmmt@au*.al*.co* writes:
> As for your reply, I have never seen an AL tank > 100 cu ft. That's not
> to say they do not exist. But assuming your dive calls for such air
> capacity, and assuming there is no concern for exposure, THEN given
> that to obtain that capacity you must use slightly negative tanks,
> wouldn't backup buoyancy not be such a bad thing? And ignoring
> exposure, wouldn't a 2nd bladder be much less task loading than
Mike,
In a perfect world perhaps, but I live on planet earth, and thats
not a flame just a statement of fact.
Exposure will always be a concern, both from a thermal injury standpoint ,
a DCI standpoint and from a comfort standpoint. I do shallow ( ~30 is FSW)
dives in a 1/4 inch shorty wetsuit in the 65 ish degree waters off NY in July
so I am no shrinking violet when it comes to cold, but if your diving deep and
long even in a tropical environment you would do your self well to wear
adequate thermal protection. Thermal fatigue is a factor in DCI and if your
doing deeper dives even in warmer conditions i would think you would dive dry,
when you can simplify your redundant buoyancy with a dry suit because it makes
everything else simpler.
I would not agree with talking on extra potential failure points with out
gaining some bang for my buck, namely thermal protection.
As far as task loading is concerned, I dont find my trilam drysuit to be
difficult to control. If you are considering other types of drysuit then
control may be a factor, albeit one that is easily rectified( get the right
suit). Additionally I would recommend a set of these dry suit gaitors. I had
no idea such a device existed prior to brownie's introducing them, and after
twenty or so dives with them I am totally sold on them and I dont even have a
dealership.
And yes I am aware of the guy in Palau who dives real deep in a t shirt and
shorts, he has a bc and a counterlung to rely on.
Regards,
Al Marvelli aka KybrSose@ao*.co*
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