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To: David
To: Giddy <d.giddy@tr*.oz*.au*>
Subject: Re: Descent Rates
From: Dan Nafe <dan@sh*.ne*>
Cc: techdiver@opal.com
Date: Tue, 24 Jan 1995 08:24:08 -0500 (EST)

On Tue, 24 Jan 1995, David Giddy wrote:

> >From: Rodney Nairne <rnairne@sy*.DI*.oz*.au*>
> >Here in Sydney Australia we descend as quickly as possible, in order to
[snnnip]
> The other thing to consider is that the table models assume a specified
> descent rate (e.g: 18 m/min) and by exceeding this, you are bending the
> model as you will be spending more time at depth than the model calculates.

Dave! "the table models" do not assume a specified descent rate, at least 
not the ones used by tech divers. Our implementation (MiGPlan, 
MiGPlan.Mac) of the Buhlmann model assumes an instant descent.

dan@sh*.ne*					http://www.shadow.net/~dan
			Think strategically, 
				act tactically.

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