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Date: Mon, 28 Oct 1996 11:20:52 -0700 (MST)
To: techdiver@terra.net
From: "Christopher M. Parrett" <chris@ab*.co*>
Subject: Re: Deep Stops
At 06:21 AM 10/27/96 -0800, you wrote:
>>(it actually often *reduces* the "required" 
>>portion of the deco).  As you know, 
>
> Rich - right on. The only mistake you made was the last three words - if
these 
>guys knew , they would not be bullshitting so severely.
>
>

Examples..

Sample dive, 200ft for 30 minutes on AIR.

Depth   Stop   
  60     3.0   
  50     5.0   
  40     7.0 
  30    12.0 
  20    23.0  
  10    59.0   
TOTAL DECO = 109

Same dive with Richards "Deepstop" inserts

  0     0.0        
 200    30.0        
 130     2.0          Artificial DEEP Stop
  95     2.0          Artificial DEEP Stop 
  60     1.0      -2  over standard table
  50     6.0      -1  over standard table
  40     7.0      +0  over standard table
  30    14.0      +2  over standard table
  20    24.0      -1  over standard table
  10    63.0      +4  over standard table
   0     

TOTAL DECO = 115 + 4 Deep.

This is the aberration that I was referring to in my first posting.
Tissue models simply don't handle these extra stops well as a part of the model.

This IN NO WAY deminishes the reality of the potential positive impact that
the stops actually have. It simply points out a shortcoming of tissue based
models.


      
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Christopher M. Parrett, President
Abysmal Diving Inc. 6595 Odell Place, Suite G. Boulder CO, 80301 USA

Makers of ABYSS, Advanced Dive Planning Software.

Phone: (303) 530-7248  Fax:   (303) 530-2808

File Transfer Site:  ftp://ftp.abysmal.com/pub/abysmal
World Wide Web Site: http://WWW.ABYSMAL.COM
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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