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From: "Paltz, Art" <Art.Paltz@R2*.CO*>
To: "'Des Paroz'" <paroz@oz*.co*.au*>, Adriaan_Haine@ce*.be*
Cc: techdiver@aquanaut.com, In Depth <indepth@il*.co*.au*>
Subject: RE: DECO planners
Date: Thu, 25 Jun 1998 06:58:48 -0400
	I ran the same profile on Decom 6.61 (Buhlmann ZH-L16), except
using Imperial scale (like it matters) 100 ft for 60 minutes on air as
bottom and deco

100 for 60
30 for 9
20 for 19
10 for 34
total deco time 62 minutes

I also switched to Buhlmann ZH-L12 and tried it again, same total run
time except it started deco at 40 ft for 1 minute.  Didn't change
anything in the settings for either profile (N2 5.0, He 14.0).

Art.
art.paltz@r2*.co*
PS Maybe I need to start using Zplan more....

	-----Original Message-----
	From:	Des Paroz [SMTP:paroz@oz*.co*.au*]
	Sent:	Thursday, June 25, 1998 3:38 AM
	To:	Adriaan_Haine@ce*.be*
	Cc:	techdiver@aquanaut.com; In Depth
	Subject:	Re: DECO planners

	Ran the same profile on ZPlan 1.03 and the ANDI DivePlanner
(Buhlmann
	ZH-L12), with the following results.  Added no conservatism, got
the
	following:

	ZPlan 1.03
	1 min at 9m, 15 min at 6m, 30 min at 3m (46 min total)

	ANDI DivePlanner
	1 min at 9m, 16 min at 6m, 36 min at 3m (53 min total)

	Interestingly, running the same profile on ZPlan with 10%
conservatism
	(Will, I think this is about the level you recommended) gives:
	2 min at 9m, 17 min at 6m, 35 min at 3m (54 min total)

	Has (can) anyone tried this on Voyager?

	Best regards

	Des Paroz
	paroz@oz*.co*.au*
	Sydney, Australia


	-----Original Message-----
	From: Adriaan_Haine@ce*.be* <Adriaan_Haine@ce*.be*>
	To: techdiver@aquanaut.com <techdiver@aquanaut.com>
	Date: Thursday, 25 June 1998 16:33
	Subject: DECO planners


	>
	>
	>
	>
	>
	>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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	>

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