<div dir="ltr"><div>Hi Brian, <br></div><div>I was thinking that it might be a good idea on these type of tests to have your comms and VHF up and running so your in complete control of the operator with the lift. Also for us watching, we could hear what was going on inside the sub as well while your are manipulating the ballast controls.</div><div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div>Best Regards,<br>David Colombo<br><img src="http://static.squarespace.com/static/533310a9e4b0fba62008a464/t/5339c1f2e4b041bac4e25d1b/1396294132055/?format=500w" width="200" height="110"><br>804 College Ave<br>Santa Rosa, CA. 95404<br>(707) 536-1424<br><a href="http://www.SeaQuestor.com" target="_blank">www.SeaQuestor.com</a><br><br></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, May 9, 2019 at 4:20 PM Brian Cox via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br></div><blockquote class="gmail_quote" 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">Alec, The Sphere is the stern and the pointy part is the bow , on the surface anyway. You can see in the video once I'm totally submerged there is still a far amount of air in the ballast. When I blew the front tank ( which you can't see because of the shell) it lowered the nose a bit and that transferred some additional air ( in the main ballast) back to my main ballast vent. So the situation is, that if the nose is too high some air can get trapped in there that I cannot vent unless the attitude is changed. <div><br></div><div>And thanks to everyone for your congrats ! I sure found it hard to sleep last night knowing this was finally going to happen ! </div><div><br></div><div>Brian</div><div><br></div><div> <br><br>--- <a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a> wrote:<br><br>From: Alec Smyth via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>><br>To: Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>><br>Subject: Re: [PSUBS-MAILIST] submerge !<br>Date: Thu, 9 May 2019 19:00:57 -0400<br><br>Hi Brian,<div><br></div><div>That was a big step, congrats! I thought the video looked like you were not far off at all on buoyancy, because the straps appear quite loose. Good trim too! Also it seems there’s just oodles of volume in the MBTs. When you say you couldn’t get the bow to rise, d’you mean even blowing the forward MBT? Given it’s apparently generous volume, that would seem surprising.</div><div><br></div><div>Thanks,</div><div>Alec<br><br><div dir="ltr">Sent from my iPhone</div><div dir="ltr"><br>On May 9, 2019, at 5:43 PM, Brian Cox via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote><div dir="ltr"><div style="font-family:Arial,sans-serif;font-size:10pt"><font size="2">Hi Alan, </font><div><font size="2"> That video with me rocking back and forth was with absolutely no lead ballast in the bottom, so it was very unstable at that point. </font></div><div><font size="2"><br></font></div><div><font size="2"> It's basically too heavy, so I can reduce the lead ballast somewhat, but if I take too much out it will be more unstable during the transition stage. It was hard to get a good reading on what was happening because I couldn't tell if the front straps were supporting the front of the sub. I think they were though, I did a test where I tried to bring the nose up by it self and I couldn't do it , so that tells me that the nose is still a bit heavy. I think I want to get one of those fiberglass hp tanks that Hank was talking about. </font></div><div><font size="2"><br></font></div><div><font size="2">Brian <br></font><br><span style="font-size:10pt">--- <a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a> wrote:</span><br><br><span style="font-size:10pt">From: Alan via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>></span><br><span style="font-size:10pt">To: Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>></span><br><span style="font-size:10pt">Subject: Re: [PSUBS-MAILIST] submerge !</span><br><span style="font-size:10pt">Date: Fri, 10 May 2019 09:29:53 +1200</span><br><br><div style="font-size:10pt"></div><div style="font-size:10pt">Brian,</div><div style="font-size:10pt">Congratulations! </div><div style="font-size:10pt">The sub is looking good with all your recent modifications.</div><div style="font-size:10pt">Did you test the stability at all? I know in a previous video you were in the</div><div style="font-size:10pt">Conning tower rocking her about. Would have liked to have seen a diver</div><div style="font-size:10pt">on the outside trying to pull her over as you went down. </div><div style="font-size:10pt">Looked like you could trim her well, were you happy with that?</div><div style="font-size:10pt">Alan</div><div style="font-size:10pt"><br>On 10/05/2019, at 9:16 AM, hank pronk via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote style="font-size:10pt"><div><div style="font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:13px"><div></div>
<div>Brian,</div><div>You get first prize for classy test facility. Congratulations! you sure got some big ass vent valves</div><div>Hank</div><div><br></div>
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On Thursday, May 9, 2019, 2:32:55 PM MDT, Brian Cox via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:
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<div><div><div style="font-family:Arial,sans-serif;font-size:10pt"><font style="font-family:Arial,sans-serif" size="2">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" target="_blank">https://www.youtube.com/watch?v=QlPXqX9Vmgo</a> </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"><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" target="_blank">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><br></div>
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