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I've just completed a Basic IANTD(UK) Nitrox course and there is a
little part of it that is now sort of confusing me.
I'm BS-AC trained, and an well-used to using the BS-AC'88 tables. We
used Buhlmanns tables for the course. No real problems there, they are
easy to use and understand, but I've always been led to believe that
doing a stop at 6m was better than a stop at 3m for various reasons.
The BS-AC'88 tables have stops at 9m and 6m only. The no-stop table in
Buhlmanns tables include a safety stop at 6m for 1 minute, and in the
writing that goes with them, it mentions that there is a better off
gassing gradient at 6m. Why then, in the main table (Table 1a) does
Buhlmann have stops at 3m?
I havn't done too much decompresion diving, and most of it has been
done on my Monitor 2 computer, and then I've always performed the 3m
indicated stop at 6m. I really don't like the idea of hanging 3m below
the surface with a metre swell above me! (And hands up, all those who
have heard their Monitor2/Aladin Pro beep at them with a fast ascent
warning when holding on to a rock on the bottom in rough seas!)
Am I correct in saying that the BS-AC'88 tables are the only ones without
a 3m stop?
Gordon
--
Gordon Henderson is gordon@me*.co*.uk* O
Meiko Scientific Ltd. Dive Safe, o
650 Aztec West, Bristol Surface Sound ____ o
England UK (_/\_) .
Ps. Is there anyone out there in the South (West) of England who is
Nitrox qualified and wanting to do a Nitrox dive? (My usual diving
range is 2 hours drive from Bristol, about Swanage to Plymouth, Stoney
Cove).
--
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