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To: techdiver@opal.com
Subject: Descent Rates
From: Rodney Nairne <rnairne@sy*.DI*.oz*.au*>
Date: Mon, 23 Jan 1995 15:33:21 +1100 (EST)

Here in Sydney Australia we descend as quickly as possible, in order to
maximise time spent on the wrecks. When the conditions are good, we have
exeeded descent rates of 50 mtrs (165ft) per min.

Hearing about Shecks problems with descent rates, I was wondering if the huge
gas pressure gradients produced by fast descents could be detremental in the
75 to 120mtr range, on Helair mixes.

Rod Nairne.

rnairne@sy*.di*.oz*.au*

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