Re: [PSUBS-MAILIST] how to calculate pressure on sub

[Roger June <rjune@fuse.net>]

33 feet of sea water = 1 ATM = 14.7 psi
34 feet of fresh water = 1 ATM = 14.7 psi

therfore;

depth of sub in feet / 33 feet of sea water = pressure in ATM's from the sea water

pressure in ATM's from the sea water + 1 atm (pressure from air) = total number of ATM's

total number of ATM's x 14.7 psi = total psi

So;

((100 ft/33 ft)+1 atm)*14.7 psi = 59.24 psi
((200 ft/33 ft)+1 atm)*14.7 psi = 103.79 psi
((300 ft/33 ft)+1 atm)*14.7 psi = 148.34 psi

If you want the depth for fresh water use 34 ft inplace of 33 ft




> 
> From: bruno masse <rodin4@videotron.ca>
> Date: 2003/09/29 Mon PM 04:05:46 EDT
> To: personal_submersibles@psubs.org
> Subject: [PSUBS-MAILIST] how to calculate pressure on sub
> 
> hi every body,
> 
> i,d like to know how to calculate the water pressure on the sub
> when you go down at 100,200,300 feets
> in pound inch.
> thank you
> 
> 

Roger June
REJ and Company
513-300-1189
rjune@fuse.net


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hi every body,

 

i,d like to know how to calculate the water pressure on the sub

when you go down at 100,200,300 feets

in pound inch.

thank you