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Re: Flat Hatch
Thanks for the info, Joe. I got a similar spec from a pressure vessel
book at the library. Steve
>From owner-personal_submersibles@psubs.org Wed May 13 19:51:30 1998
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>From: "Marsee Skidmore" <heyred@email.msn.com>
>To: "Psubs" <Personal_Submersibles@psubs.org>
>Subject: Flat Hatch
>Date: Wed, 13 May 1998 19:44:07 -0700
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>First, the disclaimers:
>
>> The following is the result of a back-of-the-envelope, quick and
dirty
>calculation.
>
>> If you would like to follow this path, obtain the services of a
Licensed
>Professional Engineer, or whatever the equivalent short fat bald guy is
in
>Canada.
>
>> I'm not a Licensed Professional Engineer. This is free advice. You
get
>what you pay for.
>
>Per "Formulas for Stress and Strain," Roark, R.J., Second Ed., 1943,
Table
>X, Formulas for Flat Plates, Case 1, Edges supported, Uniform load over
>entire surface, Circular solid plate, Steel (36 ksi Yield Stress, .3
>Poisson's Ratio), 20 inch diameter, 200 psi applied load, Factor of
Safety
>of 1.5:
>
>Thickness = 1.015 inch
>
>Yeah, pretty darn thick. :-o Joe
>
>
>
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