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Inches of water

To: TR List <triumphs@Autox.Team.Net>, Ken Nuelle <KTRIUMPH@aol.com>
Subject: Inches of water
From: Dave Massey <105671.471@compuserve.com>
Date: Thu, 12 Nov 1998 10:15:50 -0500
 KTRIUMPH@aol.com
Subject: Re: Inches of water


>In a message dated 98-11-11 10:20:38 EST, you write:

><< Anyone have a conversion for inches of water to PSI? >>

>Just a guess but I recall from my scuba diving days that 33 feet of water
is 1
>atmosphere - 14.7 psi.

>Ken Nuelle
>58 TR3A
>62 TR3B
>64 TR4

Well, let's figure it out.  Water weighs 62.4 lb/cuft which is .03611
lb/cuin.  If atmospheric
pressure is 14.7 PSI (actually 14.696 but who's counting?) how tall would a
1 square inch 
column need to be to weigh 14.7 lbs?  A one inch column would weigh .03611
lbs.  So a
14.7 lb column would need to be 14.7/.03611 inches tall or 407.08 inches or
33.9 ft.

Of course this is fresh water.  Sea water would be a little different. 
Also, this is at sea level.

So the conversion factor would be about 2 FT wc/PSI

Dave Massey
57 TR3
71 TR6
80 TR8

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