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Date: Fri, 19 Apr 1996 11:37:15 -0500 (CDT)
From: "Alan B. Chapman" <achapman@co*.ua*.ed*>
To: Carlos Arruda Accioly <caccioly@co*.ri*.co*.br*>
cc: techdiver@terra.net
Subject: Re: Tanks in planes (was: Genesis tanks)

The only other thing that I can think of as far as emptying your tank on=20
an airlineris this.  In a normal situation your tank is holding 200 bar,=20
there is 1 bar of pressure outside of your tank making the ratio of=20
internal pressure to external pressure 200:1.  In flight your tank is=20
still holding 200 bar but the external pressure may be as low as 0.5 bar=20
making the ratio 400:1.  You cannot concern yourself only with the tank=20
pressure but you must also consider the external pressure on the tank.  I=
=20
am not sure if this is a valid concern but it seems the most likely=20
problem to me.

Alan Chapman=09=09=09=09=09NAUI #10476
achapman@co*.ua*.ed*=09=09=09=09NREMT
University of Arkansas Fayetteville
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The date that you truly stop learning will be the date printed on your=20
death certificate!!!!
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