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Date: Thu, 5 Feb 98 14:27:22 GMT
To: techdiver@aquanaut.com
From: claus agersbaek <agersbak@za*.ee*.dc*.ie*>
Subject: Re: Formula

At 12:44 05/02/98 GMT, bcolman@gt*.ne* wrote:
>	
>	 Can anyone help me out...
>
> At 245 FSW, there is 1200 PSI in a 80Cu.Ft Cylinder, if the divers
>gas consumption is .7ft/min, how long will it last..??   I cant seem
>to find the right formula..??
> 
the preasure @245fsw is (245/33 + 1)= 8.42 ATM
you are using 8.42 times as must @ 245FSW
80Cu.Ft / (.7Cu.ft/min *8.42) = 13.5 min

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