<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1450077337698_2861"><span id="yui_3_16_0_1_1450077337698_2860">How thick is the sphere going to be?</span></div><div id="yui_3_16_0_1_1450077337698_2861"><span>Do you have the book by Jerry Stachiw on Acrylic?</span></div><div id="yui_3_16_0_1_1450077337698_2863"><span id="yui_3_16_0_1_1450077337698_2862">I wonder if Emile (Netherlands) can press 2 hemispheres</span></div><div dir="ltr" id="yui_3_16_0_1_1450077337698_2864"><span id="yui_3_16_0_1_1450077337698_2985">that big?</span></div><div dir="ltr" id="yui_3_16_0_1_1450077337698_2864"><span id="yui_3_16_0_1_1450077337698_3078">I think it would be quite difficult to do. Maybe you would have to find an oven</span></div><div dir="ltr" id="yui_3_16_0_1_1450077337698_2864"><span id="yui_3_16_0_1_1450077337698_3079">to fit the sphere in to anneal it after gluing.</span></div><div dir="ltr" id="yui_3_16_0_1_1450077337698_2865"><span id="yui_3_16_0_1_1450077337698_2871">I spoke with Guy Richards the commercial director of Blanson, & he told me</span></div><div dir="ltr" id="yui_3_16_0_1_1450077337698_2865"><span id="yui_3_16_0_1_1450077337698_2975">that gluing thick sectioned acrylic was quite an art. They made & joined</span></div><div dir="ltr" id="yui_3_16_0_1_1450077337698_2865"><span id="yui_3_16_0_1_1450077337698_2974">the 2 x 4" thick hemispheres on the Triton 3000 sub.</span></div><div dir="ltr" id="yui_3_16_0_1_1450077337698_2865"><span>Cheers Alan</span></div><br> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1450077337698_2869"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1450077337698_2868"> <div dir="ltr" id="yui_3_16_0_1_1450077337698_2867"> <font size="2" face="Arial" id="yui_3_16_0_1_1450077337698_2866"> <hr size="1" id="yui_3_16_0_1_1450077337698_3080"> <b id="yui_3_16_0_1_1450077337698_2900"><span style="font-weight:bold;" id="yui_3_16_0_1_1450077337698_2899">From:</span></b> Michael Holt via Personal_Submersibles <personal_submersibles@psubs.org><br> <b id="yui_3_16_0_1_1450077337698_3084"><span style="font-weight: bold;" id="yui_3_16_0_1_1450077337698_3083">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br> <b id="yui_3_16_0_1_1450077337698_3082"><span style="font-weight: bold;" id="yui_3_16_0_1_1450077337698_3081">Sent:</span></b> Monday, December 14, 2015 5:54 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [PSUBS-MAILIST] SPHERICAL PENTAGON<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_1_1450077337698_2870"><br>On 12/13/2015 8:17 PM, roberto alvarez via Personal_Submersibles wrote:<br clear="none">> Hi, have a question did someone try the spherial pentagon hemisphere? <br clear="none">> i want to buils a 48 in diameter inch hemisphere folowing the <br clear="none">> proccess used on the nemo sphere.<br clear="none">I once suggested that it should be possible to write a simple program to <br clear="none">determine the size of the pentagons that would result in a given <br clear="none">diameter sphere. It never went any further than that (I had classroom <br clear="none">work to complete!) but I still think it was good idea.<br clear="none"><br clear="none">---<br clear="none">This email has been checked for viruses by Avast antivirus software.<br clear="none"><a shape="rect" href="https://www.avast.com/antivirus" target="_blank">https://www.avast.com/antivirus</a><div class="qtdSeparateBR"><br><br></div><div class="yqt3765423693" id="yqtfd30914"><br clear="none"><br clear="none"><br clear="none">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"><a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"></div><br><br></div> </div> </div></div></body></html>