Rich

Assuming you are open water, breath your stage down to a holding =
pressure.  Then switch to your back gas, and breath that down on "open =
water thirds".  Qualifying this, I would confirm my back gas is working =
before breathing my stage down.  I would also ensure that in planning I =
consider the implications of being down longer due to the stage-carried =
bottom gas and ensure that my turn point WRT back gas is appropriate to =
cater for a first deco gas failure.

David Shimell

-----Original Message-----
From:	Rich Gulley [SMTP:richgulley@us*.ne*]
Sent:	Wednesday, April 04, 2001 6:09 AM
To:	techdiver@aquanaut.com
Subject:	Gas management

 << File: ATT00019.htm >> After reading several posts about carrying =
additional bottom gas in stage bottles I was left with several =
questions. I am familiar with carrying stages in caves where you breath =
down a third and drop the bottle to be picked up on the return trip and =
the second third breathed down, right?=20

Ok, what would you do in the open ocean? What would proper gas =
management be for a dive requiring more gas including thirds than you =
can carry on your back, within reason?

Thank you,
Rich

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