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Dear all,
Having some idle time I decided to compare some decompression
planners, on a theoretical dive to 30 msw for a duration of 60
minutes. To keep things simple I chose air as my travel, bottom
and deco gas. I compared the Buhlmann tables to the following
programs: Proplanner, Abyss, Tausim and DECOMP.
All programs are (more or less) Buhlmann based.
The results were rather surprising (to say the least)
1.Using Proplanner :
DECO: 4 mins at 9 msw
16 mins at 6 msw
33 mins at 3 msw
total DECO: 53 minutes
2.Using Abyss : (abyss 100 algorithm)
DECO: 2 mins at 9 msw
15 mins at 6 msw
39 mins at 3 msw
total DECO: 56 minutes
3. Using the IANTD tables (Buhlmann) :
DECO: 7 mins at 9 msw
6 mins at 6 msw
46 mins at 3 msw
total DECO: 59 minutes
4. Using Tausim : (freeware available on the INTERNET)
DECO: 2 mins at 9 msw
24 mins at 6 msw
47 mins at 3 msw
total DECO: 73 minutes
5. Using DECOMP : (freeware available on the INTERNET)
DECO: 1 mins at 9 msw
12 mins at 6 msw
28 mins at 3 msw
total DECO: 41 minutes
Proplanner and the Abyss seem more or less on the same level as
compared to the Buhlmann tables. Between the two freeware
programs looms a gap of 32 minutes. I have to mention here that
the author of the DECOMP program warns the user NOT to use the
generated tables for diving. I must say that I agree with him,
since that would be like playing Russian roulette.
The Tausim program on the other hand is VERY conservative.
Which one would you use? Why? Anyone care to comment?
Adri
Ps: Will, I would have loved to see what Zplan 1.03 makes of this, but am
unable to run it on my OS2/Windows 3.1
based notebook.
--
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