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Check out Alec's and Jake's spreadsheets at:
Great for general "what-ifs" on cylindrical hull sections. Not knowing its design specs or previous usage I'd be very conservative on factors of safety. Metal fatigue in pressure vessels can be deadly.
Warm Regards
Shawn
*****
"Call nothing thy own except thy soul. Love not what thou art, but only what thou may become. Do not pursue pleasure, for thou may have the misfortune to overtake it... Live in the vision of that one for whom great deeds are done ..." Man of LaMancha, D. Wasserman |