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Greetings,
I have a question, which maybe someone can answer for me.
Two weeks ago, after a rather lengthy dive, I noticed a friends
Solution wanted to keep him in the water 10 minutes longer then my
Sherwood Source on the same dive profile. I got to wondering about
this, and put on my investigators hat. What I found out was that the
schedule for the dive we did on the Navy tables would have had us out
of the water about 20 minutes before we got out and my computer was
ready to pull us out 10 minutes before my friends Solution.
Last night we dive which we decided to test the theory that Navy
tables pull you out of the water quicker. We were a three person
team, myself diving my Source, my friend Kevin diving his Suunto, and
another friend (Todd) diving the tables.
The profile was 98' for 57 minutes. Average depth was about 95'.
The schedule for the Navy tables was 20'-9m, 10'-28m (tbt=37m). Todd
added 5 minutes as an added safety stop and got out 42 minutes after
deco started.
My Sherwood kept me at 20' for 10 minutes, then 10' for 45 minutes. I
got out of the water 55 minutes after deco started. When I left,
Kevin still had 15 minutes to go, even though at the start of deco
his computer said he only had 39 minutes total deco time. He decided
to violate his computer (I will not get into a debate condoning or
condemning his action) when I left based on the tables and my
computer.
So the question(s) are:
1) Why? I realize that the advantage of a computer is for multilevel
diving, and the majority of that dive was a square profile, but we
were not pushing the tables totally to the edge (depth wise).
2) I have noticed that it only happens on very long relatively square
deco dives (we were staging and wearing doubles). Has anyone else
seen this same thing happen?
Ken
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Ken Sallot Camptown Races Mantra:
CIRCA
(904) 392-2007 " All the zens they sing this song:
kens@uf*.ed* Bhudda!! Bhudda!!
http://grove.ufl.edu/~ken They sing about Bhudda all day long,
All the Bhudda day!
Om mane padme om! Om mane padme HEY!!
I'll reach nirvana before you do,
Going the Bhudda way! "
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