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</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Hey Brian,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>I was very impressed with how stable in roll Gamma became after Hank replaced the front ballast tank with the two forward saddle tanks. Exactly how Jim describes Snoopy. I hoisted myself out of the water over one of Gamma's saddle tanks while Hank was sitting on the CT, and the sub had no real roll tendency. Perhaps a pair of saddle tanks forward and another pair aft would solve it. You should expect that transitioning through the air-water interface while submerging and surfacing is when roll (and pitch) stability is the greatest challenge.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Tim<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Personal_Submersibles [mailto:personal_submersibles-bounces@psubs.org] <b>On Behalf Of </b>hank pronk via Personal_Submersibles<br><b>Sent:</b> Thursday, April 14, 2016 2:14 PM<br><b>To:</b> Personal Submersibles General Discussion <personal_submersibles@psubs.org><br><b>Subject:</b> Re: [PSUBS-MAILIST] more Esmae video<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div id="yui_3_16_0_ym19_1_1460667127589_9815"><p class=MsoNormal style='background:white'><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black'>Brian,<o:p></o:p></span></p></div><div id="yui_3_16_0_ym19_1_1460667127589_9814"><p class=MsoNormal style='background:white'><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black'>Vance is dead right! don't cut into your MBT yet. I can't tell you how many times I made a mess trying to solve a problem. I resisted make big changes with Elementary 3000 only to discover I had built the sub perfectly and just had it over weight. Weird things happen. Just strap the weights on first, you will learn a lot from that. <o:p></o:p></span></p></div><div id="yui_3_16_0_ym19_1_1460667127589_9814"><p class=MsoNormal style='background:white'><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black'>Hank<o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black'><o:p> </o:p></span></p></div><div><div><div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>On Thursday, April 14, 2016 3:02 PM, Brian Cox via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:</span><span style='font-family:"Helvetica",sans-serif;color:black'><o:p></o:p></span></p></div><p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span style='font-family:"Helvetica",sans-serif;color:black'><o:p> </o:p></span></p><div><div id=yiv8695555895><div><div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>I've got plenty of room in the bottom of my concrete ballast structure to put lead, which is actually slightly lower than the bottom of the sphere. Just looking at the video I need enough to sink the top half of the sphere. That works out to be around 2000 lbs or so of lead. Volume of sphere is 65 cu ft. Then I'll have to make sure it sinks evenly longitudily , so I may have of spread the weight out a bit or add to the nose. <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'> Just scored about 1000 lbs of lead at the boatyard ! A wrecked sailboat keel ! We'll make it work !<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>Brian <br><br>--- <a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a> wrote:<br><br>From: via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br>To: <a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a><br>Subject: Re: [PSUBS-MAILIST] more Esmae video<br>Date: Thu, 14 Apr 2016 11:20:29 -0400<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Arial",sans-serif;color:black'>Brian,</span><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Arial",sans-serif;color:black'>Alec imparted some education to me one time on roll control. When he added side ballast tanks to Snoopy, I asked why he had mounted them so they were partially above the waterline when surfaced. He explained that when the vessel rolls to one side, the tank on that side then becomes more submerged and provides more "lift." Simultaneously the tank on the other side rises and provides less lift. The net effect is automatic roll dampening.</span><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Arial",sans-serif;color:black'>Jim T.</span><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'> <o:p></o:p></span></p></div><div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>In a message dated 4/14/2016 9:18:04 A.M. Central Daylight Time, <a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a> writes:<o:p></o:p></span></p></div><blockquote style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt;margin-left:3.75pt;margin-top:5.0pt;margin-bottom:5.0pt'><div id=yiv8695555895yqt63541><div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>Hi Alan, Going to add a lot of weight to the bottom of the concrete ballast , at the very bottom. Need to cut an access hole in that area so I can put lead bars in there and bolt them in.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>Brian<br><br>--- <a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a> wrote:<br><br>From: Alan via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br>To: Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br>Subject: Re: [PSUBS-MAILIST] more Esmae video<br>Date: Thu, 14 Apr 2016 19:17:46 +1200<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>Another interesting video Brian.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>I see what you mean about the stability.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>Pity you couldn't have sunk her completely to see how stable <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>she was once that big conning tower was under the water.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>What's the next step?<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>I am not sure I am getting all the posts so apologies if I'm doubling <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>up on any one else's comments.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>Alan<br><br>Sent from my iPad<o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'><br>On 13/04/2016, at 10:19 am, Brian Cox via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank" title="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<o:p></o:p></span></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>Hi All,<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'> Here is some additional video made by a friend of mine:<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'><a href="https://vimeo.com/162570037" target="_blank" title="https://vimeo.com/162570037">https://vimeo.com/162570037</a><o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>Brian<o:p></o:p></span></p></div></div></div></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>_______________________________________________<br>Personal_Submersibles mailing list<br><a href="mailto:Personal_Submersibles@psubs.org" target="_blank" title="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank" title="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><o:p></o:p></span></p></div></blockquote><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>_______________________________________________ Personal_Submersibles mailing list <span class=MsoHyperlink>Personal_Submersibles@psubs.org</span> <a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank" title="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a> <o:p></o:p></span></p></div></div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'><br><br>_______________________________________________<br>Personal_Submersibles mailing list<br><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><o:p></o:p></span></p></blockquote></div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>_______________________________________________ Personal_Submersibles mailing list <span class=MsoHyperlink>Personal_Submersibles@psubs.org</span> <a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a> <o:p></o:p></span></p></div></div></div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica",sans-serif;color:black'><o:p> </o:p></span></p><div id=yqt51707><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica",sans-serif;color:black'>_______________________________________________<br>Personal_Submersibles mailing list<br><a 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><o:p></o:p></span></p></div><p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span style='font-family:"Helvetica",sans-serif;color:black'><o:p> </o:p></span></p></div></div></div></div></div></div></body></html>