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No roughly halve the depth to get the psi i.e. a 250 ft sub is 125 psi. Hoses can take that easily but I
would want a hydraulic hose. Chs Hugh From:
owner-personal_submersibles@psubs.org
[mailto:owner-personal_submersibles@psubs.org] On Behalf Of ShellyDalg@aol.com In a message dated 3/9/2010 1:37:38 P.M. Pacific Standard Time,
Alec.Smyth@compuware.com writes:
I just wanted to make sure my limited math skills aren't way off. To determine pressure at depth you take the depth ( 250 ft.
), divide by 33 to get atmospheres, then multiply by 14.7 to get pressure ( 112
psi. ). Is this right ? So if your max depth, not operating depth, is 500 feet, the max
pressure is 223 psi. Now let's get crazy......the pressure pushing down on a 24
inch diameter hatch at 500 feet is....... radius squared ( 12 X 12 ) times pi for the square inches ( 452 ),
times the psi ( 223 )............ 100,831 pounds. Yikes ! Frank D.
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