<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:12pt"><div style="RIGHT: auto"><SPAN style="RIGHT: auto">George attributed the miscalculation in the weight of the 600 to second <SPAN style="RIGHT: auto" id=misspell-0><SPAN style="RIGHT: auto">guessing</SPAN></SPAN> the thickness of the heads. His original design called for thinner heads but someone (can't remember who) that George respected suggested that they should be thicker. George used the thicker heads and then found that the sub wouldn't float. He had the hull lengthened by Bath Iron Works to get the needed <SPAN style="RIGHT: auto" id=misspell-1><SPAN>buoyancy<VAR id=yui-ie-cursor></VAR></SPAN></SPAN> back. He said he was amazed at how fast they turned the job around- I think it was only a few days.</SPAN></div>
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<div style="RIGHT: auto"><SPAN style="RIGHT: auto">Greg</SPAN></div>
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<DIV style="BORDER-BOTTOM: #ccc 1px solid; BORDER-LEFT: #ccc 1px solid; PADDING-BOTTOM: 0px; LINE-HEIGHT: 0; MARGIN: 5px 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; HEIGHT: 0px; FONT-SIZE: 0px; BORDER-TOP: #ccc 1px solid; BORDER-RIGHT: #ccc 1px solid; PADDING-TOP: 0px" class=hr contentEditable=false readonly="true"></DIV><FONT size=2 face=Arial><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> "vbra676539@aol.com" <vbra676539@aol.com><BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> personal_submersibles@psubs.org <BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Thursday, October 24, 2013 8:26 AM<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [PSUBS-MAILIST] First Launch<BR></FONT></DIV>
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<DIV><FONT style="BACKGROUND-COLOR: transparent">George left the sub alone while tacking on the aft extension because the passenger section was exactly that, an add-on, and he figured to deal with it as its own issue. Otherwise he would have to do exactly what you are talking about, which is to re-distribute everything and then be forced to do a new weights and balances chart.</FONT></DIV>
<DIV><FONT style="BACKGROUND-COLOR: transparent"></FONT> </DIV>
<DIV><FONT style="BACKGROUND-COLOR: transparent">I used to talk to him about this, figuring the passenger would be better in the belly and in front so he/she could see and participate more fully (like Snoopy). But the L-version sub in George's mind was a solo sub with a rumble seat, period. Anything beyond that was up to the individual builder. He didn't mind, but he wasn't going to join in.</FONT></DIV>
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<DIV><FONT style="BACKGROUND-COLOR: transparent">As a side note, they miscalculated on the K600 and it wouldn't float correctly, so added the L-style hull section to hold the back end up, then shifted all the lead back there to balance it. Had to do it at the very last minute, but it worked sufficiently for Lloyd's to buy off on it.</FONT></DIV>
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<DIV><FONT style="BACKGROUND-COLOR: transparent">Had they built hull #2, according to George, it would have had a central conning tower on the 6' hull length. Even though it is dimensionally the same as a K-350L, it was never intended for two people.</FONT></DIV>
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<DIV>Vance</DIV>
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<DIV style="FONT-FAMILY: arial, helvetica; COLOR: black; FONT-SIZE: 10pt">-----Original Message-----<WBR>From: Douglas Suhr <spiritofcalypso@gmail.com><WBR>To: Personal Submersibles General Discussion <personal_submersibles@psubs.org><WBR>Sent: Thu, Oct 24, 2013 12:45 am<WBR>Subject: Re: [PSUBS-MAILIST] First Launch<WBR><WBR>
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<DIV dir=ltr>James, Congratulations on your first launch! I am sorry to hear that you had to contend with some complaints, but you handled it well by moving along. Some people...
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<DIV>Anyway, I love you sub! Good job, and again, congrats on your first launch. ~ Douglas S. </DIV></DIV>
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<DIV style="RIGHT: auto" class=yiv0729266692gmail_quote>On Wed, Oct 23, 2013 at 3:02 PM, Joe Perkel <SPAN dir=ltr><<A href="mailto:josephperkel@yahoo.com" shape=rect rel=nofollow target=_blank ymailto="mailto:josephperkel@yahoo.com">josephperkel@yahoo.com</A>></SPAN> wrote:<WBR>
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<TD vAlign=top>Rick,<BR clear=none><BR clear=none>I have an accurate CAD model of a stock 350 hull and pods with assigned material densities. The software can make short work of determining changes in the longitudinal CG and what effects shifting the pods have. We would have to agree on a vertical datum, say the surface Edge of a hemihead for example. <BR clear=none><BR clear=none>As it lays now, the CG is right under the pilots butt, but it looks like George did not account accurately for the changes in buoyancy once launched. The trick would be trying to guess how far back to shift the CG. I can do this for you on my next group of days off if you'd like.<BR clear=none><BR clear=none>However, I like James idea of external movable weights as a better solution because you still have this 400 lb light condition to contend with anyway.
<DIV class=yiv0729266692im><WBR><WBR>Joe<WBR><WBR>Sent from Yahoo! Mail for iPad</DIV></TD></TR></TBODY></TABLE>
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<DIV style="BORDER-BOTTOM: #ccc 1px solid; BORDER-LEFT: #ccc 1px solid; PADDING-BOTTOM: 0px; LINE-HEIGHT: 0; MARGIN: 5px 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; HEIGHT: 0px; FONT-SIZE: 0px; BORDER-TOP: #ccc 1px solid; BORDER-RIGHT: #ccc 1px solid; PADDING-TOP: 0px" class=hr contentEditable=false readonly="true"></DIV><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN> </B>Land N Sea <<A href="mailto:landnsea1@hawaiiantel.net" shape=rect rel=nofollow target=_blank ymailto="mailto:landnsea1@hawaiiantel.net">landnsea1@hawaiiantel.net</A>>; <WBR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN> </B>Personal Submersibles General Discussion <<A href="mailto:personal_submersibles@psubs.org" shape=rect rel=nofollow target=_blank ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>>; <WBR>
<DIV class=yiv0729266692im><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN> </B>Re: [PSUBS-MAILIST] First Launch <WBR></DIV><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN> </B>Wed, Oct 23, 2013 6:13:05 PM <WBR></DIV>
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<DIV>I haven’t attached my pods yet to the pressure hull and after hearing about the aft positive buoyancy issue from a number of K-350 owner/builders I am now contemplating moving my pods aft one frame. I have all ready installed my drop weight threw hulls so I would have to extend the cross bar forward that goes between the pods for that plus not having any engineering experience, it would purely be a guess on what it would do to the trim. I doubt it would have the reverse effect and transfer the buoyancy problem to the front but not sure. </DIV>
<DIV>One thought I had was to bolt them on per plans but be able to adjust them aft as needed to attain the proper trim and then when I find the magic spot, weld in the bell reducers I have and connect the power cables. Any thoughts out their pro or con?</DIV>
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<DIV>Rick</DIV>
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<DIV><B>From:</B> <A title=jamesf@guernseysubmarine.com href="" shape=rect rel=nofollow>James Frankland</A> </DIV>
<DIV><B>Sent:</B> Wednesday, October 23, 2013 2:17 AM</DIV>
<DIV><B>To:</B> <A title=personal_submersibles@psubs.org href="" shape=rect rel=nofollow>Personal Submersibles General Discussion</A> </DIV>
<DIV><B>Subject:</B> Re: [PSUBS-MAILIST] First Launch</DIV></DIV></DIV></DIV>
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<DIV>What im going to do is fix 100Kg under the aft tank, and then make the rest in blocks that can be moved around. Then divers can place them with straps to the underside somewhere until its balanced. Will make the blocks at the weekend. <WBR><WBR>
<DIV class=yiv0729266692gmail_quote>On 22 October 2013 20:41, <SPAN dir=ltr><<A href="" shape=rect rel=nofollow>MerlinSub@t-online.de</A>></SPAN> wrote:<WBR>
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<DIV><FONT face="Courier New">Hi James congratulations, <BR clear=none>- seems more and more that to light is a normal standard on launching Psubs.<BR clear=none><BR clear=none>May do not install fix weight in the stern next time. Install <BR clear=none>it lose in the center and than trim it longitudinal on dive station<BR clear=none>with move it forward or aftward or more in or out. <BR clear=none>Its the fastest way to figure out the right weight and trim. <BR clear=none><BR clear=none></FONT>By the way Alan our overalls are red, and it help the skipper <WBR>to figure out which guy is in his crew and which not..<WBR>Also the guys with the brighter (many times washed out) overalls are the workers in the crew.. <WBR><A href="http://www.hansesail.com/uploads/tx_gorillary/2013_38_euronauttauchtauf_01.jpg" shape=rect rel=nofollow target=_blank>http://www.hansesail.com/uploads/tx_gorillary/2013_38_euronauttauchtauf_01.jpg</A><WBR><WBR>:-) vbr Carsten
<WBR><WBR><WBR><WBR>"Alan" <<A href="" shape=rect rel=nofollow>alanlindsayjames@yahoo.com</A>> schrieb:
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<DIV>Congratulations James,</DIV>
<DIV>Look forward to the coming videos. </DIV>
<DIV>What a pain having to cut things short after all that effort.</DIV>
<DIV>Maybe you cold buy everyone a set of orange overalls like Carsten</DIV>
<DIV>does, to make things look professional.</DIV>
<DIV>Alan</DIV>
<DIV><WBR><WBR>Sent from my iPad</DIV>
<DIV><WBR>On 22/10/2013, at 10:06 PM, James Frankland <<A href="" shape=rect rel=nofollow>jamesf@guernseysubmarine.com</A>> wrote:<WBR><WBR></DIV>
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<DIV>Hi All,</DIV>
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<DIV>I got my boat in the water at the weekend for the first time. Put the pictures up here.</DIV>
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<DIV><A href="http://www.guernseysubmarine.com/operations.htm" shape=rect rel=nofollow target=_blank>http://www.guernseysubmarine.com/operations.htm</A></DIV>
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<DIV>I didnt get any leaks at all, so i was super happy. I wasnt really expecting to try and dive and would have been happy with just no leaks and a float test, but everything worked fine, so i gave it a go. Unfortunately i didnt have enough lead. I added 90KG (198lb) of lead, but it still wouldnt go down. What i didnt mention on the website was that i was forced to stop testing because the harbour master came along to say that they had had an anonymous phone call from some bloody do-gooder who pointed out that we were using the comercial area of the harbour and didnt have a proper comercial dive team, which is officially a legal requirement. So even though i had full permission from the harbour, i was forced to stop on a technicality. They think it was some missery that has the hump on with harbour and just wanted to be awkward. Shame because I was about to load a pile of anchor chain into the boat to get me
more weight.</DIV>
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<DIV>The boat did seem to be very light at the back and i kept squirting air into the forward tank to level it out. Thinking about it, i suspect that the forward tank was settling into the correct position and it was the aft tank that was riding high. Just need to get some weight at the back. I had a slight list to port as well which i've no idea where that came from. Again i will trim that up.</DIV>
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<DIV>Anyway, i was really pleased with how it went on my first day. Im meeting my divers tonight who took a load of underwater pics apparently, so i will see how they look later. Might put some on the web if they are any good.</DIV>
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<DIV>Kind Regards<WBR>James</DIV>
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<DIV><SPAN>_______________________________________________</SPAN><WBR><SPAN>Personal_Submersibles mailing list</SPAN><WBR><SPAN><A href="" shape=rect rel=nofollow>Personal_Submersibles@psubs.org</A></SPAN><WBR><SPAN><A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" shape=rect rel=nofollow target=_blank>http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A></SPAN><WBR></DIV></BLOCKQUOTE></BLOCKQUOTE><FONT face="Courier New"> </FONT></DIV></DIV><SPAN><FONT color=#888888><FONT face="Courier New"><BR clear=none><BR clear=none>-- <BR clear=none><BR clear=none>Carsten Standfuß<BR clear=none>Dipl.Ing.Schiffbau @ Meerestechnik<BR clear=none>Heinrich Reck Str.12A<BR clear=none>18211 Admannshagen<BR clear=none><BR clear=none>0172 8464 420<BR clear=none><A href="http://www.euronaut.org/" shape=rect rel=nofollow target=_blank>http://www.euronaut.org/</A><BR clear=none><A href="" shape=rect
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