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<DIV>Hi Joe,</DIV>
<DIV> </DIV>
<DIV>My only concern with adding lead ingots to the stern to achieve a good trim
is that I would be sacrificing freeboard once trimmed out I believe and that is
a concern after hearing about the K-250 having that problem at the convention
though my conn is a bit higher. Of course now that I think about it, I may have
solved the trim problem without having to add extra weight but now will still be
too buoyant to dive with all ballast tanks flooded?</DIV>
<DIV> </DIV>
<DIV>Rick</DIV>
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<DIV style="font-color: black"><B>From:</B> <A title=josephperkel@yahoo.com
href="mailto:josephperkel@yahoo.com">Joe Perkel</A> </DIV>
<DIV><B>Sent:</B> Wednesday, October 23, 2013 9:02 AM</DIV>
<DIV><B>To:</B> <A title=personal_submersibles@psubs.org
href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>
</DIV>
<DIV><B>Subject:</B> Re: [PSUBS-MAILIST] First Launch</DIV></DIV></DIV>
<DIV> </DIV></DIV>
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<TD vAlign=top>Rick,<BR><BR>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><BR>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><BR>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.<BR><BR>Joe<BR><BR>Sent from
Yahoo! Mail for iPad</TD></TR></TBODY></TABLE>
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<B><SPAN style="FONT-WEIGHT: bold">From:</SPAN> </B>Land N Sea
<landnsea1@hawaiiantel.net>; <BR><B><SPAN
style="FONT-WEIGHT: bold">To:</SPAN> </B>Personal Submersibles General
Discussion <personal_submersibles@psubs.org>; <BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN> </B>Re: [PSUBS-MAILIST] First Launch
<BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN> </B>Wed, Oct 23, 2013
6:13:05 PM <BR></DIV><BR>
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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>
<DIV> </DIV>
<DIV>Rick</DIV>
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<DIV><B>From:</B> <A title=jamesf@guernseysubmarine.com
href="javascript:return" shape=rect rel=nofollow target=_blank
ymailto="mailto:jamesf@guernseysubmarine.com">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="javascript:return" shape=rect rel=nofollow target=_blank
ymailto="mailto:personal_submersibles@psubs.org">Personal Submersibles
General Discussion</A> </DIV>
<DIV><B>Subject:</B> Re: [PSUBS-MAILIST] First
Launch</DIV></DIV></DIV></DIV>
<DIV id=yqtfd26980 class=yqt9758634485>
<DIV> </DIV></DIV></DIV>
<DIV id=yqtfd24449 class=yqt9758634485>
<DIV
style="FONT-SIZE: small; FONT-FAMILY: 'Calibri'; FONT-WEIGHT: normal; COLOR: #000000; FONT-STYLE: normal; TEXT-DECORATION: none; DISPLAY: inline">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. <BR clear=none><BR clear=none>
<DIV class=gmail_quote>On 22 October 2013 20:41, <SPAN dir=ltr><<A
href="javascript:return" shape=rect rel=nofollow target=_blank
ymailto="mailto:MerlinSub@t-online.de">MerlinSub@t-online.de</A>></SPAN>
wrote:<BR clear=none>
<BLOCKQUOTE class=gmail_quote
style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"><U></U>
<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 <BR clear=none>to figure out which guy is in his crew and which
not..<BR clear=none>Also the guys with the brighter (many times washed
out) overalls are the workers in the crew.. <BR clear=none><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><BR
clear=none><BR clear=none>:-) vbr Carsten <BR clear=none><BR
clear=none><BR clear=none><BR clear=none>"Alan" <<A
href="javascript:return" shape=rect rel=nofollow target=_blank
ymailto="mailto:alanlindsayjames@yahoo.com">alanlindsayjames@yahoo.com</A>>
schrieb:
<DIV>
<DIV class=h5>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; PADDING-RIGHT: 0px; MARGIN-RIGHT: 0px">
<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><BR clear=none><BR clear=none>Sent from my iPad</DIV>
<DIV><BR clear=none>On 22/10/2013, at 10:06 PM, James Frankland <<A
href="javascript:return" shape=rect rel=nofollow target=_blank
ymailto="mailto:jamesf@guernseysubmarine.com">jamesf@guernseysubmarine.com</A>>
wrote:<BR clear=none><BR clear=none></DIV>
<BLOCKQUOTE type="cite">
<DIV>
<DIV>Hi All,</DIV>
<DIV> </DIV>
<DIV>I got my boat in the water at the weekend for the first
time. Put the pictures up here.</DIV>
<DIV> </DIV>
<DIV><A href="http://www.guernseysubmarine.com/operations.htm"
shape=rect rel=nofollow
target=_blank>http://www.guernseysubmarine.com/operations.htm</A></DIV>
<DIV> </DIV>
<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>
<DIV> </DIV>
<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>
<DIV> </DIV>
<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>
<DIV> </DIV>
<DIV>Kind Regards<BR clear=none>James</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV> </DIV></DIV></BLOCKQUOTE>
<BLOCKQUOTE type="cite">
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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
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