Congratulations Brian. 1st proper untethered dive? Looks good. Great safety diver also.<br><br>On Wednesday, 26 August 2020, Alan via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><div></div><div>Congratulations Brian,</div><div>how was the stability when you were under? Did you move up in to the conning</div><div>tower & shake her around?</div><div>You should have done a circle underwater.</div><div>Alan</div><div><br>On 27/08/2020, at 5:12 AM, Brian Cox via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.<wbr>org</a>> wrote:<br><br></div><blockquote type="cite"><div><div style="font-family:Arial,sans-serif;font-size:10pt"><font size="2"><font face="Arial, sans-serif">Cliff, I think that would only delay the inevitable , I think I would still be at the same angle.</font></font><div><font face="Arial, sans-serif" size="2"><br></font></div><div><font face="Arial, sans-serif" size="2">Brian</font></div><div><font face="Arial, sans-serif" size="2"><br></font></div><div><font face="Arial, sans-serif" size="2"><br></font><br><span style="font-family:Arial,sans-serif;font-size:10pt">--- <a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.<wbr>org</a> wrote:</span><br><br><span style="font-family:Arial,sans-serif;font-size:10pt">From: Cliff Redus via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.<wbr>org</a>></span><br><span style="font-family:Arial,sans-serif;font-size:10pt">To: Brian Cox via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.<wbr>org</a>></span><br><span style="font-family:Arial,sans-serif;font-size:10pt">Subject: Re: [PSUBS-MAILIST] Sub Launch at Harbor</span><br><span style="font-family:Arial,sans-serif;font-size:10pt">Date: Wed, 26 Aug 2020 16:44:48 +0000 (UTC)</span><br><br><div style="font-family:"times new roman","new york",times,serif;font-size:16px"><div></div>
<div dir="ltr">Congratulations on the successful surface maneuvering test and dive. You might want to experiment with different orifice inserts in the forward MBT vent opening to see if you can reduce the pitching moment when flooding by reducing the flowrate of air out of this tank. I use this technique on the R300 for the same purpose.</div><div dir="ltr"><br></div><div dir="ltr">Cliff</div><div dir="ltr"><br></div><div dir="ltr"><br></div><div><br></div>
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On Wednesday, August 26, 2020, 11:27:53 AM CDT, Brian Cox via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.<wbr>org</a>> wrote:
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<div><div><div><div style="font-family:Arial,sans-serif;font-size:10pt"><font size="2" style="font-family:Arial,sans-serif">Yeah, that's my super secret emergency dive </font><font face="Arial, sans-serif" size="2">procedure !</font><div><font face="Arial, sans-serif" size="2"><br></font></div><div><font face="Arial, sans-serif" size="2">Brian</font></div><div><font face="Arial, sans-serif" size="2"><br></font></div><div><font face="Arial, sans-serif" size="2"><br></font><br><span style="font-family:Arial,sans-serif;font-size:10pt">--- <a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.<wbr>org</a> wrote:</span><br><br><span style="font-family:Arial,sans-serif;font-size:10pt">From: Alec Smyth via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.<wbr>org</a>></span><br><span style="font-family:Arial,sans-serif;font-size:10pt">To: Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.<wbr>org</a>></span><br><span style="font-family:Arial,sans-serif;font-size:10pt">Subject: Re: [PSUBS-MAILIST] Sub Launch at Harbor</span><br><span style="font-family:Arial,sans-serif;font-size:10pt">Date: Wed, 26 Aug 2020 12:03:20 -0400</span><br><br><div dir="ltr" style="font-family:Arial,sans-serif;font-size:10pt">Hey, that wasn't a launch, it was a dive!! Congrats! When the bow went down like that, did it rest on the bottom? That was a pretty radical angle, and the speed of it makes me think you had a massive free surface displacement in the MBT. Normally that induces lateral instability, but due to the length of your boat in this case it would be longitudinal instability.<div><br></div><div>Thanks,</div><div>Alec</div></div><br><div style="font-family:Arial,sans-serif;font-size:10pt"><div><div dir="ltr">On Wed, Aug 26, 2020 at 10:44 AM Brian Cox via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.<wbr>org</a>> wrote:<br></div><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="font-family:Arial,sans-serif;font-size:10pt"><font size="2">Hi All, </font><div><font size="2"> Have a couple of videos from down at the harbor:</font></div><div><font size="2"><br></font></div><div><font size="2"><br></font></div><div><font size="2"><a href="https://www.youtube.com/watch?v=iERfLiioGJA&t=628s" target="_blank">https://www.youtube.com/watch?<wbr>v=iERfLiioGJA&t=628s</a><br></font></div><div><br></div><div><br></div><div><br></div><div><a href="https://www.youtube.com/watch?v=OGiAqeocq4s" target="_blank">https://www.youtube.com/watch?<wbr>v=OGiAqeocq4s</a><br></div><div><br></div><div><br></div><div>Cheers,</div><div><br></div><div>Brian</div><div><br></div><div><br></div></div>
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