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--></style></head><body lang=EN-AU link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Aptos",sans-serif;color:black;mso-ligatures:none'>After many years and many hospital holidays, </span><span style='font-family:"Segoe UI Emoji",sans-serif;color:black;mso-ligatures:none'>🙂</span><span style='font-family:"Aptos",sans-serif;color:black;mso-ligatures:none'> I am no longer a financial member.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Aptos",sans-serif;color:black;mso-ligatures:none'>However, I am hoping that someone may assist me in the spirit of Psubs.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Aptos",sans-serif;color:black;mso-ligatures:none'>If memory serves, there was a calc formula on your site of which I no longer have access .<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Aptos",sans-serif;color:black;mso-ligatures:none'>Any way, I have a project idea that to continue with, relies on the minimum weight achievable for the following ;<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Aptos",sans-serif;color:black;mso-ligatures:none'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Aptos",sans-serif;color:black;mso-ligatures:none'>A 2 meter diameter sphere with appropriate bracing material and with safety margins <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Aptos",sans-serif;color:black;mso-ligatures:none'>To dive to sea-water safe depth of 150meter (160psi) No doors No windows <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Aptos",sans-serif;color:black;mso-ligatures:none'>Windows and doors will add much I know, however, are details to be considered later only if the basic weight indication makes the project viable.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Aptos",sans-serif;color:black;mso-ligatures:none'>So basically, I need to know the framing and sheeting steel sizes and thicknesses to <b>calculate the overall weight</b> in this basic form. If positive at such point I will apply for re- membership to follow through with my idea.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Aptos",sans-serif;color:black;mso-ligatures:none'>I know this sounds vague and I am asking much, but could someone assist me in this very basic task, which I know not how to do. <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Aptos",sans-serif;color:black;mso-ligatures:none'>Thanking any member who might be inclined to assist me. <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Aptos",sans-serif;color:black;mso-ligatures:none'>Cheers Les <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Aptos",sans-serif;color:black;mso-ligatures:none'>Safe diving </span><span style='font-family:"Segoe UI Emoji",sans-serif;color:black;mso-ligatures:none'>🙂</span><span style='font-family:"Aptos",sans-serif;color:black;mso-ligatures:none'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p></div></body></html>