<DIV style="font-family:Arial, sans-serif; font-size:10pt;"><FONT size="2">Thanks Cliff ! I hear what your saying, I've been trying to process everything that I observed. But I think clearly I have too much weight. You can see that after I'm completely under I still have quite a bit of air left in the main ballast. </FONT><DIV><FONT size="2"><BR></FONT></DIV><DIV><FONT size="2">Brian</FONT></DIV><DIV><FONT size="2"><BR></FONT></DIV><DIV><FONT size="2"><BR></FONT><BR><SPAN style="font-size: 10pt;">--- personal_submersibles@psubs.org wrote:</SPAN><BR><BR><SPAN style="font-size: 10pt;">From: Cliff Redus via Personal_Submersibles <personal_submersibles@psubs.org></SPAN><BR><SPAN style="font-size: 10pt;">To: PSubs <personal_submersibles@psubs.org></SPAN><BR><SPAN style="font-size: 10pt;">Subject: Re: [PSUBS-MAILIST] submerge !</SPAN><BR><SPAN style="font-size: 10pt;">Date: Fri, 10 May 2019 14:08:55 +0000 (UTC)</SPAN><BR><BR><DIV style="font-size: 16px; font-family: "times new roman", "new york", times, serif;"><DIV></DIV>
<DIV>Brian, congratulations on successful duck test! It is always an encouragement to those building boats to see a builder reach the first dunk test. I guess we have to call you Captain Cox now.</DIV><DIV><BR></DIV><DIV>If it were me I would not make any ballast changes based on this test because it is unclear how much the bow and stern lifting straps were loaded. I would be more inclined to repeat the test with the straps completely loose or even removed now that you have proved you can submerge and surface. One way to deal with unequal decent during MBT flooding is to fabricate a series orifice restrictions with different diameters that can be inserted into the aft MBT vent port. Then execute a MBT flood and see which orifice size give the most stable decent. I did this for my boat and it worked great.</DIV><DIV><BR></DIV><DIV>Please keep sending progress videos of your testing.</DIV><DIV><BR></DIV><DIV>Best Regards</DIV><DIV>Cliff</DIV><DIV><BR></DIV>
</DIV><DIV style="font-size: 10pt;">
<DIV style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;">
<DIV>
On Thursday, May 9, 2019, 3:33:48 PM CDT, Brian Cox via Personal_Submersibles <personal_submersibles@psubs.org> wrote:
</DIV>
<DIV><BR></DIV>
<DIV><BR></DIV>
<DIV><DIV><DIV style="font-family:Arial, sans-serif;font-size:10pt;"><FONT size="2" style="font-family:Arial, sans-serif;">Hi all,</FONT><DIV><FONT size="2"><FONT face="Arial, sans-serif"> Finally went all the way under ! Need to adjust a few things. Combination of less ballast weight overall and some additional buoyancy in the nose.</FONT></FONT></DIV><DIV><FONT size="2"><FONT face="Arial, sans-serif"><BR></FONT></FONT></DIV><DIV><FONT size="2"><FONT face="Arial, sans-serif"><BR></FONT></FONT></DIV><DIV><FONT size="2"><FONT face="Arial, sans-serif"><A href="https://www.youtube.com/watch?v=QlPXqX9Vmgo">submerge1</A> </FONT><DIV><BR></DIV><DIV style="max-width:400px;font-family:Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif"><A href="https://www.youtube.com/watch?v=QlPXqX9Vmgo" style="text-decoration:none !important;color:#000 !important"><TABLE border="0" cellpadding="0" cellspacing="0" style="max-width:400px"><TBODY><TR><TD width="400"><TABLE border="0" cellpadding="0" cellspacing="0" width="100%" style="max-width:400px;border-width:1px;border-style:solid;border-color:rgb(224, 228, 233);border-radius:2px"><TBODY><TR><TD background="https://s.yimg.com/lo/api/res/1.2/y2O2WX2D6q.IRde_9EFmMA--~A/Zmk9ZmlsbDt3PTQwMDtoPTIwMDthcHBpZD1pZXh0cmFjdA--/https://i.ytimg.com/vi/QlPXqX9Vmgo/maxresdefault.jpg.cf.jpg" bgcolor="#000000" valign="top" height="175" style="background-color: rgb(0, 0, 0); background-size: cover; position: relative; border-radius: 2px 2px 0px 0px; min-height: 175px;"><TABLE border="0" cellpadding="0" cellspacing="0" style="width:100%"><TBODY><TR><TD background="https://s.yimg.com/cv/ae/nq/storm/assets/enhancrV21/1/enhancr_gradient-400x175.png" bgcolor="transparent" valign="top" style="background-color: transparent; border-radius: 2px 2px 0px 0px; min-height: 175px;"><TABLE border="0" height="175" style="width: 100%; min-height: 175px;"><TBODY><TR><TD style="text-align:left;padding:15px 0 0 15px;vertical-align:top"></TD><TD style="text-align:right;padding:15px 15px 0 0;vertical-align:top"><DIV></DIV></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR><TR><TD><TABLE border="0" align="center" cellpadding="0" cellspacing="0" style="background:#fff;position:relative;z-index:2;width:100%;max-width:400px;border-radius:0 0 2px 2px;border-top:1px solid rgb(224, 228, 233)"><TBODY><TR><TD style="background-color:#ffffff;padding:16px 0 16px 12px;vertical-align:top;border-radius:0 0 0 2px"><IMG src="https://s.yimg.com/nq/storm/assets/enhancrV2/23/logos/youtube.png" height="36" style="min-width:36px;margin-top:3px"></TD><TD style="vertical-align:middle;padding:12px 24px 16px 12px;width:99%;font-family:Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif;border-radius:0 0 2px 0"><H2 style="font-size: 14px; line-height: 19px; margin: 0px 0px 6px; font-family: Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif; color: rgb(38, 40, 42);">submerge1</H2><P style="font-size: 12px; line-height: 16px; margin: 0px; color: rgb(151, 155, 167);">First submerge of Esmarelda</P></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></A></DIV><DIV><BR></DIV><DIV><BR></DIV></FONT></DIV><DIV><FONT size="2"><FONT face="Arial, sans-serif"><BR></FONT></FONT></DIV><DIV><FONT size="2"><FONT face="Arial, sans-serif"><BR></FONT></FONT></DIV><DIV><FONT size="2"><FONT face="Arial, sans-serif"><BR></FONT></FONT></DIV><DIV><FONT size="2"><FONT face="Arial, sans-serif">Brian</FONT></FONT></DIV><DIV><FONT size="2"><FONT face="Arial, sans-serif"><BR></FONT></FONT></DIV><DIV><FONT size="2"><FONT face="Arial, sans-serif"><BR></FONT></FONT></DIV></DIV></DIV>_______________________________________________<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><BR></DIV>
</DIV>
</DIV><SPAN style="font-size: 10pt;">_______________________________________________
Personal_Submersibles mailing list
</SPAN><A href="/eonapps/ft/wm/page/compose?send_to=Personal_Submersibles%40psubs.org" style="font-size: 10pt;">Personal_Submersibles@psubs.org</A>
<A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" style="font-size: 10pt;">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A>
</DIV></DIV>