<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Hi Tarek,</div><div id="AppleMailSignature">no diagrams came out in my email.</div><div id="AppleMailSignature">I would do a full size model of what you intend & get in &</div><div id="AppleMailSignature">make sure the space works. Especially if you intend to have a</div><div id="AppleMailSignature">diver exit in the bottom. Can you get out comfortably with scuba </div><div id="AppleMailSignature">tanks! Also as you go out the diver exit the sub becomes lighter</div><div id="AppleMailSignature">to the extent of the weight of yourself & your dive gear.</div><div id="AppleMailSignature">Tim's ambient sports sub has a system for adjusting this loss of </div><div id="AppleMailSignature">weight by letting in more water. I am not sure how this works but</div><div id="AppleMailSignature">if you adopted it you would need to allow for a volume of water to</div><div id="AppleMailSignature">come in to the bottom hatchway of the sub. And of course the oposite</div><div id="AppleMailSignature">is true when you re-enter.</div><div id="AppleMailSignature">If you have problems with stability when diving you could always add</div><div id="AppleMailSignature">syntactic foam up high & more lead down low to counteract it.</div><div id="AppleMailSignature">Have you had a look at Cliff's R300 on the projects page, as the hull</div><div id="AppleMailSignature">seems a similar size.</div><div id="AppleMailSignature">Cheers Alan</div><div id="AppleMailSignature"><br><br>Sent from my iPad</div><div><br>On 17/02/2018, at 11:41 PM, Tarek Harb via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"><meta name="Generator" content="Microsoft Word 15 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
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<v:imagedata src="cid:image028.png@01D3A7EC.B2830DD0" o:title="" />
<o:lock v:ext="edit" aspectratio="f" />
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<v:imagedata src="cid:image021.png@01D3A7EC.B2830DD0" o:title="" />
<o:lock v:ext="edit" aspectratio="f" />
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<v:imagedata src="cid:image029.emz@01D3A7EC.B2830DD0" o:title="" />
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<v:imagedata src="cid:image031.emz@01D3A7EC.B2830DD0" o:title="" />
</v:shape><![endif]--><!--[if !vml]--><span style="mso-ignore:vglayout;position:absolute;z-index:251691008;margin-left:30px;margin-top:21px;width:28px;height:38px"><image032.png></span><!--[endif]--><!--[if gte vml 1]><v:shape id="_x0000_s1041" type="#_x0000_t75" alt="         1 " style='position:absolute;margin-left:42.8pt;margin-top:6.4pt;width:88.5pt;height:99.75pt;z-index:251689984;visibility:visible;mso-width-percent:0;mso-height-percent:0;mso-wrap-distance-left:9pt;mso-wrap-distance-top:0;mso-wrap-distance-right:9pt;mso-wrap-distance-bottom:0;mso-position-horizontal:absolute;mso-position-horizontal-relative:text;mso-position-vertical:absolute;mso-position-vertical-relative:text;mso-width-percent:0;mso-height-percent:0;mso-width-relative:margin;mso-height-relative:margin'>
<v:imagedata src="cid:image033.emz@01D3A7EC.B2830DD0" o:title="" />
</v:shape><![endif]--><!--[if !vml]--><span style="mso-ignore:vglayout;position:absolute;z-index:251689984;margin-left:57px;margin-top:9px;width:118px;height:133px"><image034.png></span><!--[endif]--><span style="font-size:16.0pt">                                                                   Water level<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt">           <o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><!--[if gte vml 1]><v:shape id="Straight_x0020_Arrow_x0020_Connector_x0020_22" o:spid="_x0000_s1040" type="#_x0000_t75" style='position:absolute;margin-left:75.75pt;margin-top:19.65pt;width:7.55pt;height:133.5pt;z-index:251686912;visibility:visible;mso-wrap-distance-left:9pt;mso-wrap-distance-top:0;mso-wrap-distance-right:9pt;mso-wrap-distance-bottom:0;mso-position-horizontal:absolute;mso-position-horizontal-relative:text;mso-position-vertical:absolute;mso-position-vertical-relative:text'>
<v:imagedata src="cid:image018.png@01D3A7EC.B2830DD0" o:title="" />
<o:lock v:ext="edit" aspectratio="f" />
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<v:imagedata src="cid:image035.png@01D3A7EC.B2830DD0" o:title="" />
<o:lock v:ext="edit" aspectratio="f" />
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</v:shape><![endif]--><!--[if !vml]--><span style="mso-ignore:vglayout"></span></p><table cellpadding="0" cellspacing="0" align="left"><tbody><tr><td width="14" height="7"></td><td width="62"></td><td width="70"></td><td width="62"></td></tr><tr><td height="4"></td><td colspan="2"></td><td rowspan="2" align="left" valign="top"><image037.png></td></tr><tr><td height="76"></td><td rowspan="2" align="left" valign="top"><image038.png></td></tr><tr><td height="28"></td></tr></tbody></table><!--[endif]--><span style="font-size:16.0pt"><o:p> </o:p></span><p></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p><br style="mso-ignore:vglayout" clear="ALL"><p class="MsoNormal"><span style="font-size:16.0pt">                       Weight = 950 Kg<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt">At this stage, the Buoyant Force from the Pit + the Buoyant force from the Trim Tanks will equate the downward weight of the sub.<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt">The Main Ballast Tanks are full as the blue color indicates.  Since they are full, they will not contribute to give upward force. <o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><!--[if gte vml 1]><v:shape id="Straight_x0020_Arrow_x0020_Connector_x0020_43" o:spid="_x0000_s1035" type="#_x0000_t75" style='position:absolute;margin-left:90.3pt;margin-top:14.4pt;width:6.75pt;height:114.75pt;z-index:251706368;visibility:visible;mso-wrap-distance-left:9pt;mso-wrap-distance-top:0;mso-wrap-distance-right:9pt;mso-wrap-distance-bottom:0;mso-position-horizontal:absolute;mso-position-horizontal-relative:text;mso-position-vertical:absolute;mso-position-vertical-relative:text'>
<v:imagedata src="cid:image039.png@01D3A7EC.B2830DD0" o:title="" />
<o:lock v:ext="edit" aspectratio="f" />
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<v:imagedata src="cid:image040.png@01D3A7EC.B2830DD0" o:title="" />
<o:lock v:ext="edit" aspectratio="f" />
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<v:imagedata src="cid:image041.emz@01D3A7EC.B2830DD0" o:title="" />
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<v:imagedata src="cid:image018.png@01D3A7EC.B2830DD0" o:title="" />
<o:lock v:ext="edit" aspectratio="f" />
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</v:shape><v:shape id="_x0000_s1029" type="#_x0000_t75" alt="2 " style='position:absolute;margin-left:116.9pt;margin-top:15.9pt;width:30.85pt;height:27.1pt;z-index:251700224;visibility:visible;mso-wrap-distance-left:9pt;mso-wrap-distance-top:0;mso-wrap-distance-right:9pt;mso-wrap-distance-bottom:0;mso-position-horizontal:absolute;mso-position-horizontal-relative:text;mso-position-vertical:absolute;mso-position-vertical-relative:text'>
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</v:shape><![endif]--><!--[if !vml]--><span style="mso-ignore:vglayout"></span></p><table cellpadding="0" cellspacing="0" align="left"><tbody><tr><td width="14" height="7"></td><td width="62"></td><td width="70"></td><td width="62"></td></tr><tr><td height="4"></td><td colspan="2"></td><td rowspan="2" align="left" valign="top"><image037.png></td></tr><tr><td height="76"></td><td rowspan="2" align="left" valign="top"><image038.png></td></tr><tr><td height="28"></td></tr></tbody></table><!--[endif]--><span style="font-size:16.0pt"><o:p> </o:p></span><p></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p><br style="mso-ignore:vglayout" clear="ALL"><p class="MsoNormal"><span style="font-size:16.0pt">                       Weight = 950 Kg<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt">Underwater, the Buoyant Force from the pit will equate the downward weight of the sub, and it will maneuver using the Motors.<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt">At a final note, the cockpit will have an exit hole at the bottom.<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt">regards<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p></div></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>Personal_Submersibles mailing list</span><br><span><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a></span><br><span><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></span><br></div></blockquote></body></html>