Les,<div>there was a sphere around that size that was part of a submersible owned by Brian Cox, who passed away a few years ago.</div><div>I am not sure what happened to it, but someone else listening in may be able to tell you. It was the one redeeming part of the sub,</div><div>the rest was questionable.</div><div>Regards Alan <br><br><div id="ymail_android_signature"><a id="ymail_android_signature_link" href="https://mail.onelink.me/107872968?pid=nativeplacement&c=US_Acquisition_YMktg_315_SearchOrgConquer_EmailSignature&af_sub1=Acquisition&af_sub2=US_YMktg&af_sub3=&af_sub4=100002039&af_sub5=C01_Email_Static_&af_ios_store_cpp=0c38e4b0-a27e-40f9-a211-f4e2de32ab91&af_android_url=https://play.google.com/store/apps/details?id=com.yahoo.mobile.client.android.mail&listing=search_organize_conquer">Yahoo Mail: Search, organise, conquer</a></div> <br> <blockquote style="margin: 0 0 20px 0;"> <div style="font-family:Roboto, sans-serif; color:#6D00F6;"> <div>On Thu, 23 Oct 2025 at 4:31 pm, via Personal_Submersibles</div><div><personal_submersibles@psubs.org> wrote:</div> </div> <div style="padding: 10px 0 0 20px; margin: 10px 0 0 0; border-left: 1px solid #6D00F6;"> <div id="yiv9730867917">
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--></style><div><div class="yiv9730867917WordSection1"><p class="yiv9730867917MsoNormal"><span style="font-size:11.0pt;"> </span></p><p class="yiv9730867917MsoNormal"><span style="font-family:"Aptos", sans-serif;color:black;">After many years and many hospital holidays, </span><span style="font-family:"Segoe UI Emoji", sans-serif;color:black;">🙂</span><span style="font-family:"Aptos", sans-serif;color:black;"> I am no longer a financial member.</span></p><p class="yiv9730867917MsoNormal"><span style="font-family:"Aptos", sans-serif;color:black;">However, I am hoping that someone may assist me in the spirit of Psubs.</span></p><p class="yiv9730867917MsoNormal"><span style="font-family:"Aptos", sans-serif;color:black;">If memory serves, there was a calc formula on your site of which I no longer have access .</span></p><p class="yiv9730867917MsoNormal"><span style="font-family:"Aptos", sans-serif;color:black;">Any way, I have a project idea that to continue with, relies on the minimum weight achievable for the following ;</span></p><p class="yiv9730867917MsoNormal"><span style="font-family:"Aptos", sans-serif;color:black;"> </span></p><p class="yiv9730867917MsoNormal"><span style="font-family:"Aptos", sans-serif;color:black;">A 2 meter diameter sphere with appropriate bracing material and with safety margins </span></p><p class="yiv9730867917MsoNormal"><span style="font-family:"Aptos", sans-serif;color:black;">To dive to sea-water safe depth of 150meter (160psi) No doors No windows </span></p><p class="yiv9730867917MsoNormal"><span style="font-family:"Aptos", sans-serif;color:black;">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.</span></p><p class="yiv9730867917MsoNormal"><span style="font-family:"Aptos", sans-serif;color:black;">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.</span></p><p class="yiv9730867917MsoNormal"><span style="font-family:"Aptos", sans-serif;color:black;">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. </span></p><p class="yiv9730867917MsoNormal"><span style="font-family:"Aptos", sans-serif;color:black;">Thanking any member who might be inclined to assist me. </span></p><p class="yiv9730867917MsoNormal"><span style="font-family:"Aptos", sans-serif;color:black;">Cheers Les </span></p><p class="yiv9730867917MsoNormal"><span style="font-family:"Aptos", sans-serif;color:black;">Safe diving </span><span style="font-family:"Segoe UI Emoji", sans-serif;color:black;">🙂</span><span style="font-family:"Aptos", sans-serif;color:black;"></span></p><p class="yiv9730867917MsoNormal"><span style="font-size:11.0pt;"> </span></p></div></div></div>_______________________________________________<br>Personal_Submersibles mailing list<br><a ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br> </div> </blockquote></div>