<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div dir="ltr" id="yui_3_16_0_1_1418162637793_3899"><span id="yui_3_16_0_1_1418162637793_3898">Did a quick calculation & there will be 491lb of lift in</span></div><div dir="ltr" id="yui_3_16_0_1_1418162637793_3901"><span id="yui_3_16_0_1_1418162637793_3900">a 36" hemisphere, so yes it would not pay to take short cuts mounting it.</span></div><div dir="ltr" id="yui_3_16_0_1_1418162637793_3901"><span id="yui_3_16_0_1_1418162637793_3905">Remember you will get 1/3rd thickness at the apex which will be your most </span></div><div dir="ltr" id="yui_3_16_0_1_1418162637793_3901"><span id="yui_3_16_0_1_1418162637793_3909">vulnerable point, out at the front.</span></div><div dir="ltr" id="yui_3_16_0_1_1418162637793_3901"><span>Alan</span></div><div dir="ltr" id="yui_3_16_0_1_1418162637793_3902"><span><br></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_1418162637793_3913"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1418162637793_3912"> <div dir="ltr" id="yui_3_16_0_1_1418162637793_3911"> <hr size="1" id="yui_3_16_0_1_1418162637793_3910">  <font size="2" face="Arial" id="yui_3_16_0_1_1418162637793_5339"> <b><span style="font-weight:bold;">From:</span></b> hank pronk via Personal_Submersibles <personal_submersibles@psubs.org><br> <b><span style="font-weight: bold;">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br> <b><span style="font-weight: bold;">Sent:</span></b> Wednesday, December 10, 2014 10:45 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [PSUBS-MAILIST] wanted<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_1_1418162637793_5340"><br><br clear="none">Alan,<br clear="none">I was thinking about welding a ring to the remaining section of steel ballast tank, then place the dome with a small flange on the ring.  Then another ring to clamp the dome's flange.  I don't like the idea of drilling the flange.  I got a price from Vancouver, 664 dollars for the 3/8 thick dome.  Got another price for 1/2 in dome from Nova Scotia 1,000 dollars US plus shipping.<br clear="none">Hank--------------------------------------------<br clear="none">On Tue, 12/9/14, Alan James via Personal_Submersibles <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br clear="none"><br clear="none"> Subject: Re: [PSUBS-MAILIST] wanted<br clear="none"> To: "Personal Submersibles General Discussion" <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none"> Received: Tuesday, December 9, 2014, 4:02 PM<br clear="none"> <br clear="none"> So are you<br clear="none"> going to mount the dome with it's flange<br clear="none"> on?ie. weld<br clear="none"> on a circle of bolts & have a soft gasket that the<br clear="none"> domesits on<br clear="none"> & then another gasket & a  retaining<br clear="none"> ring?The reason<br clear="none"> I ask is that the retaining ring could also be used in<br clear="none"> the dome<br clear="none"> forming process to clamp the dome down & save<br clear="none"> youa<br clear="none"> bit of money. Alan<br clear="none">     <br clear="none">    From: hank pronk via<br clear="none"> Personal_Submersibles<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"> <br clear="none"> To: Personal<br clear="none"> Submersibles General Discussion<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"> <br clear="none"> Sent:<br clear="none"> Wednesday, December 10, 2014 9:32 AM<br clear="none"> <br clear="none"> Subject: Re:<br clear="none"> [PSUBS-MAILIST] wanted<br clear="none">    <br clear="none"> <br clear="none"> Alan,<br clear="none"> I plan<br clear="none"> to remove the entire tank ahead of the vent valve.<br clear="none"> Hank--------------------------------------------<br clear="none"> On Tue, 12/9/14, Alan James via<br clear="none"> Personal_Submersibles <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none"> wrote:<br clear="none"> <br clear="none">  Subject: Re:<br clear="none"> [PSUBS-MAILIST] wanted<br clear="none">  To: "Personal<br clear="none"> Submersibles General Discussion" <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none">  Received: Tuesday, December 9, 2014, 3:12<br clear="none"> PM<br clear="none">  <br clear="none">  Hank,are you<br clear="none">  just replacing that conical bolt on portion at<br clear="none"> the<br clear="none">  front?Alan<br clear="none">      <br clear="none">     From: hank pronk via<br clear="none"> <br clear="none"> Personal_Submersibles<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">  <br clear="none">  To: Personal<br clear="none">  Submersibles General Discussion<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"> <br clear="none">  <br clear="none">  Sent:<br clear="none"> <br clear="none"> Wednesday, December 10, 2014 9:01 AM<br clear="none">  <br clear="none">  Subject: Re:<br clear="none">  [PSUBS-MAILIST]<br clear="none"> wanted<br clear="none">     <br clear="none">  <br clear="none">  Alan,<br clear="none">  As per<br clear="none"> <br clear="none"> ABS rules, the sub can surface on one ballast tank.  Also<br clear="none"> I<br clear="none">  could drop the lead weight that is in the<br clear="none"> front.  I found a<br clear="none">  company in Calgary (3hr<br clear="none"> away)  that will blow me a dome 3/8<br clear="none">  thick<br clear="none"> and 3/16 at the apex. I am trying to find a heavier<br clear="none">  one still, but it's a start.  <br clear="none">  <br clear="none">  Hank<br clear="none"> <br clear="none"> --------------------------------------------<br clear="none">  On Tue, 12/9/14, Alan James via<br clear="none">  Personal_Submersibles <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none">  wrote:<br clear="none">  <br clear="none">  <br clear="none"> Subject: Re:<br clear="none">  [PSUBS-MAILIST] wanted<br clear="none">   To: "Personal<br clear="none"> <br clear="none"> Submersibles General Discussion" <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none">   Received: Tuesday, December 9, 2014, 2:50<br clear="none">  PM<br clear="none">   <br clear="none">  <br clear="none"> Hi<br clear="none">  <br clear="none">  Hank,these<br clear="none">   people have some options.They<br clear="none">  have<br clear="none">   a standard 1/4"<br clear="none"> thick 36"<br clear="none">  diameter product.<br clear="none">   Are you<br clear="none">  <br clear="none"> <br clear="none"> going to be able to get out of your sub should the<br clear="none">  ballast<br clear="none">   tank<br clear="none"> break?Plastic<br clear="none">  <br clear="none">  Domes |<br clear="none"> Plastic Hemispheres | California Quality Plastics<br clear="none">   Plastic Domes and Spheres<br clear="none"> <br clear="none"> <br clear="none">         Plastic<br clear="none">  <br clear="none"> Domes | Plastic<br clear="none">  Hemispheres | California<br clear="none">   Quality...Acrylic<br clear="none">  Domes,<br clear="none"> Plastic Domes &<br clear="none">   Hemispheres<br clear="none">  HomePlastic Domes & Hemispheres Plastic<br clear="none">  <br clear="none">  Domes & Hemis Plastic<br clear="none"> Spheres Plastic Cylinders<br clear="none">  Plastic<br clear="none">   Bell Jars Camer...View<br clear="none">   on<br clear="none"> plastic-domes-spheres...Preview<br clear="none">   by<br clear="none"> Yahoo  <br clear="none">   Alan<br clear="none">      <br clear="none"> <br clear="none">      From: hank pronk<br clear="none"> <br clear="none"> via<br clear="none">   Personal_Submersibles<br clear="none">  <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">   <br clear="none">   To:<br clear="none">  <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">  <br clear="none">    Sent: Wednesday,<br clear="none">  <br clear="none">  December 10, 2014 8:36 AM<br clear="none">    Subject:<br clear="none">   [PSUBS-MAILIST]<br clear="none"> wanted<br clear="none">     <br clear="none">  <br clear="none">   Hi all,<br clear="none">   I am looking<br clear="none"> for<br clear="none">  a 36<br clear="none">   in ish dia<br clear="none"> acrylic dome.  The dome<br clear="none">  will not be a<br clear="none"> pressure<br clear="none">   dome.  I intend to<br clear="none">  remove the front ballast tank from Gamma<br clear="none">  <br clear="none">  and replace it with an<br clear="none"> acrylic dome.  The dome will act<br clear="none">  as<br clear="none">   the new ballast tank.  I discovered<br clear="none">  that sitting in the<br clear="none">   front<br clear="none"> of the sub, the<br clear="none">  visibility is quite<br clear="none"> acceptable if it<br clear="none">   were<br clear="none"> <br clear="none"> not for the steel ballast tank.  <br clear="none">   Any<br clear="none">   leads would be appreciated.<br clear="none"> <br clear="none"> <br clear="none">  Hank <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">   <br clear="none">   <br clear="none">    <br clear="none">     <br clear="none">   -----Inline<br clear="none"> Attachment<br clear="none">  Follows-----<br clear="none"> <br clear="none"> <br clear="none">  <br clear="none">   <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><div class="qtdSeparateBR"><br><br></div><div class="yqt2006623434" id="yqtfd96772"><br clear="none"> <br clear="none"> <br clear="none">   <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">  <br clear="none">     <br clear="none">  <br clear="none">  -----Inline Attachment Follows-----<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">  <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"> <br clear="none">    <br clear="none"> <br clear="none"> -----Inline Attachment Follows-----<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"> <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></div><br><br></div> </div> </div>  </div></body></html>