<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_ym19_1_1481154580571_2928"><span id="yui_3_16_0_ym19_1_1481154580571_2969">Rick, found some of Carsten's comments.</span></div><div><span>Nothing like experience.....</span></div><span id="yui_3_16_0_ym19_1_1481154580571_2983"><pre id="yui_3_16_0_ym19_1_1481154580571_2985" style="margin: 0em; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; font-style: normal; font-weight: normal; word-spacing: 0px; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px;">Alan and the other gentlemens,
our expierence with oil filled motors, batterys or even propeller shafts is that the oil expand if the motor is runing longer
time.
Simple because its warm up. We had that problem on Eurosub on the first dives.
And on Euronaut we filled the bladder complet up and the get pretty hard in the hot summer just by sun heating the sub.
A full filled bladder with over pressure creates a lot of interal
pressure in the wrong direct - a lot of force for the bladder itself and hose work.
Therefore our bladder are only half expand during the filling. But still free of any air.
An other point is that the bladder has to be not to small.
To create a slightly overpressure on the motorseal you just install the bladder below the motorcasing.
But we found out that on trolling motor (electric outboards) this is not nessesary. There seals are good for some
douzend feets at least - so you can install the bladder else were.
Filling is simpler if the bladder is slightly over the motor - you can vent the system direct on the filling point.
Another point is that we install now one bladder per motor - in the earlier sub (Sgt.Peppers) we install a central
one for all motors. Hard to find a leak after a dive with all the T-crossing piepings and motorseals..
vbr Carsten
</pre><div id="yui_3_16_0_ym19_1_1481154580571_2986"><br id="yui_3_16_0_ym19_1_1481154580571_2987"> </div></span><div id="yui_3_16_0_ym19_1_1481154580571_2988" dir="ltr"> </div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1481154580571_2788"><br><br></div><div class="yahoo_quoted" style="display: block;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div dir="ltr"> <font face="Arial" size="2"> <hr size="1"> <b><span style="font-weight: bold;">From:</span></b> Alan James via Personal_Submersibles <personal_submersibles@psubs.org><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;">Sent:</span></b> Thursday, December 8, 2016 12:42 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [PSUBS-MAILIST] Motor modification<br> </font> </div> <div class="y_msg_container"><br><div id="yiv9434520578"><div><div style="color: rgb(0, 0, 0); font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);"><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_3647"><span>Rick,</span></div><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_3542"><span id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_3624">Sean's beat me to it, but I'll add that you can usually look up</span></div><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_3683"><span id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_3682">your compensating oil's coefficient of thermal expansion, &</span></div><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4726" dir="ltr"><span>calculate how much it will be. Engine oil is about .0007. That</span></div><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4064" dir="ltr"><span>would mean that if you had a liter of oil (1000cc) & the temperature</span></div><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_3886" dir="ltr"><span id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_3885">went up by 50 degrees C, then the oil would expand another 35cc.</span></div><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_3887" dir="ltr"><span id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_3952">Not a lot given that you would not require a lot of oil in the thruster.</span></div><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4050" dir="ltr"><span id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4049">Getting the air out could be a bigger problem & it would expand more.</span></div><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4078" dir="ltr"><span id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4118">In a declassified military document on compensating I read , it talks</span></div><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4152" dir="ltr"><span id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4153">about & demonstrates how to pull a vacuum on a thruster to get all</span></div><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4349" dir="ltr"><span>the air out.</span></div><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4350" dir="ltr"><span id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4352">Another issue that I mentioned earlier is that all seals leak oil to</span></div><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4351" dir="ltr"><span id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4725">lubricate themselves, so having a reservoir makes sense.</span></div><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4596" dir="ltr"><span id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4595">What I am doing is enclosing my motor wiring in a hose & filling</span></div><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4598" dir="ltr"><span id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4597">the motor & hose with oil. In to this I will have a T to a relieving regulator</span></div><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4651" dir="ltr"><span id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4650">(PR 364) that will pressurize the system with air at 4psi above ambient.</span></div><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4646" dir="ltr"><span id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4645">Carsten & Emile had all sorts of problems about oil expanding & leaking</span></div><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4675" dir="ltr"><span id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4677">then c</span><span id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4666">ontracting & sucking in water. Will re post their emails if I</span></div><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4760" dir="ltr"><span>can find them.</span></div><div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_4761" dir="ltr"><span>Regards Alan</span></div><div class="yiv9434520578qtdSeparateBR" id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_3276"><br clear="none"><br clear="none"></div><div class="yiv9434520578yahoo_quoted" id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_3895" style="display: block;"> <div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_3894" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_3893" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_3892" dir="ltr"> <font id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_3891" face="Arial" size="2"> </font><div class="yiv9434520578yqt0705426605" id="yiv9434520578yqtfd94246"><hr size="1" id="yiv9434520578yui_3_16_0_ym19_1_1481150371057_3890"> <b><span style="font-weight: bold;">From:</span></b> Rick Patton via Personal_Submersibles <personal_submersibles@psubs.org><br clear="none"> <b><span style="font-weight: bold;">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br clear="none"> <b><span style="font-weight: bold;">Sent:</span></b> Thursday, December 8, 2016 10:38 AM<br clear="none"> <b><span style="font-weight: bold;">Subject:</span></b> Re: [PSUBS-MAILIST] Motor modification<br clear="none"> </div></div><div class="yiv9434520578yqt0705426605" id="yiv9434520578yqtfd05905"> <div class="yiv9434520578y_msg_container"><br clear="none"><div id="yiv9434520578"><div><div dir="ltr">Alan,<div><br clear="none"></div><div>I am embarrassed to say that I am still not getting this concept. You mentioned in your email about the clear hose that people wrap around there Minn-Kota motors and mention about collapse pressure and also mention about lighting systems. Maybe we are talking about two separate things? </div><div>My question was based on wondering about that same clear tubing that wraps around the motor pods to allow for when the oil gets hot from use and expands.</div><div>Taking any air out of the equation, I got the impression that you could completely fill a motor with dielectric oil (or any liquid for that matter) and then take it to any depth and since you basically can't compress a liquid, there would be no water ingress to the motor (except for the small space between the two prop shaft 0 rings.) So now when you add a slight internal increase in pressure from the oil being heated from use, people use the clear tubing that wraps around the outside of the motor (which is also 100% filled with the same oil) as a place for the oil to go to expand rather that spitting out the prop shaft 0 rings. Am I correct so far?</div><div>So my question was, the clear hose wall must be flexible enough to allow for expansion before placing enough pressure on the prop shaft 0 ring to dislodge? And then if you don't get all the air out of the motor or clear hose or bladder, don't you have the water pressure trying to compress that bubble from not only the bladder or tube but past the shaft 0 ring as well? </div><div><br clear="none"></div><div>Rick</div><div><br clear="none"></div></div><div class="yiv9434520578gmail_extra"><br clear="none"><div class="yiv9434520578gmail_quote">On Mon, Dec 5, 2016 at 11:03 AM, Alan James via Personal_Submersibles <span dir="ltr"><<a href="mailto:personal_submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>></span> wrote:<br clear="none"><blockquote class="yiv9434520578gmail_quote" style="margin: 0px 0px 0px 0.8ex; padding-left: 1ex; border-left-color: rgb(204, 204, 204); border-left-width: 1px; border-left-style: solid;"><div class="yiv9434520578yqt8596837554" id="yiv9434520578yqt39209"><div><div style="color: rgb(0, 0, 0); font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);"><div id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6107" dir="ltr"><span id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6147">Some compensating thoughts.<br id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6131" clear="none">On James Cameron's sub they used IV drip bags. I am not sure what they were compensating.<br id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6132" clear="none">These come with various means of hose attachment.<br id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6133" clear="none"> With regard to the wrap around hose method; I did some calculations on a standard pvc hose, & surprisingly<br id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6134" clear="none">the colapse pressure was around 100psi. I am sure one of Nuytco's technicians told me they crimped the hose <br id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6135" clear="none">that was compensating their lights, to initiate the collapse of the hose for compensation.<br id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6136" clear="none"> The industry standard for thrusters seems to be around 4psi internal overpressure,<br id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6137" clear="none">but the compensators they use for this are relatively expensive. Hugh came up with<br id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6138" clear="none">the novel idea of using a releiving regulator set at 4psi (Parker PR364). Cliff is using this.<br id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6139" clear="none">This could be used for air or oil compensation.<br id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6140" clear="none"> The seals need oil for lubrication, & I have read that they can use about a teaspoon a day. Based<br id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6141" clear="none">on that I would have some sort of reservoir.<br id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6142" clear="none"> Depending on the motor it may be tricky to get all the air out. If you have a bearing in a bore<br id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6143" clear="none">followed by a seal, the air / oil would have to move through the bearing which may be a sealed type<br id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6144" clear="none">or packed with grease. The Minn kotta diagrams I have seen show 2 seals; so how do you get oil or<br id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6145" clear="none">ambient pressure between those? One will fail when you exceed it's pressure limit.<br id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6146" clear="none">Alan</span></div><div class="yiv9434520578m_-6973932285791176293qtdSeparateBR" id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6102"><br clear="none"><br clear="none"></div><div class="yiv9434520578m_-6973932285791176293yahoo_quoted" id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_5976" style="display: block;"> <div id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_5975" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_5974" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_5973" dir="ltr"> <font id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6101" face="Arial" size="2"> </font><hr size="1"> <b><span style="font-weight: bold;">From:</span></b> James Frankland via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs. org</a>><br clear="none"> <b><span style="font-weight: bold;">To:</span></b> Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs. org</a>> <br clear="none"> <b><span style="font-weight: bold;">Sent:</span></b> Tuesday, December 6, 2016 4:44 AM<br clear="none"> <b><span style="font-weight: bold;">Subject:</span></b> Re: [PSUBS-MAILIST] Motor modification<br clear="none"> </div> <div class="yiv9434520578m_-6973932285791176293y_msg_container" id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_5977"><br clear="none"><div id="yiv9434520578m_-6973932285791176293yiv8070633751"><div id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6100"><span class="yiv9434520578"></span><div id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6099" dir="ltr"><div id="yiv9434520578m_-6973932285791176293yui_3_16_0_ym19_1_1480960841168_6098">Hi Antoine\Hank.</div><div><br clear="none">Thanks guys. drinking bladder looks good. I was thinking of a furniture lift bag, which is very similar. I use a hot water bottle for the aft motor.</div><div> </div><div>Hank, what do you use for a bladder?</div><div> </div><div>Thanks</div><div>James </div></div><div class="yiv9434520578m_-6973932285791176293yiv8070633751gmail_extra"><br clear="none"><div class="yiv9434520578m_-6973932285791176293yiv8070633751gmail_quote"><span class="yiv9434520578">On 5 December 2016 at 13:18, hank pronk via Personal_Submersibles <span dir="ltr"><<a href="mailto:personal_submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs. org</a>></span> wrote:<br clear="none"></span><blockquote class="yiv9434520578m_-6973932285791176293yiv8070633751gmail_quote" style="margin: 0px 0px 0px 0.8ex; padding-left: 1ex; border-left-color: rgb(204, 204, 204); border-left-width: 1px; border-left-style: solid;"><div class="yiv9434520578m_-6973932285791176293yiv8070633751yqt2460043082" id="yiv9434520578m_-6973932285791176293yiv8070633751yqt59240"><div><div style="color: rgb(0, 0, 0); font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12px; background-color: rgb(255, 255, 255);"><span class="yiv9434520578"></span><div id="yiv9434520578m_-6973932285791176293yiv8070633751m_-6973601674998661380yui_3_16_0_ym19_1_1480943301489_15335"><span>James,</span></div><div id="yiv9434520578m_-6973932285791176293yiv8070633751m_-6973601674998661380yui_3_16_0_ym19_1_1480943301489_15335" dir="ltr"><span id="yiv9434520578m_-6973932285791176293yiv8070633751m_-6973601674998661380yui_3_16_0_ym19_1_1480943301489_15775">I put my fill plug under the prop, in the flat end cap, and it works like a dream. </span></div><div id="yiv9434520578m_-6973932285791176293yiv8070633751m_-6973601674998661380yui_3_16_0_ym19_1_1480943301489_15335" dir="ltr"><span>Hank</span></div> <div class="yiv9434520578m_-6973932285791176293yiv8070633751m_-6973601674998661380qtdSeparateBR"><br clear="none"><br clear="none"></div><div class="yiv9434520578m_-6973932285791176293yiv8070633751m_-6973601674998661380yahoo_quoted" style="display: block;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12px;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"><span class="yiv9434520578"></span><div><div class="yiv9434520578m_-6973932285791176293yiv8070633751h5"> <div dir="ltr"><font face="Arial" size="2"> On Monday, December 5, 2016 5:37 AM, Antoine Delafargue via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs. org</a>> wrote:<br clear="none"></font></div> <br clear="none"><br clear="none"> </div></div><div class="yiv9434520578m_-6973932285791176293yiv8070633751m_-6973601674998661380y_msg_container"><div><div class="yiv9434520578m_-6973932285791176293yiv8070633751h5"><div id="yiv9434520578m_-6973932285791176293yiv8070633751m_-6973601674998661380yiv6057255083"><div><span class="yiv9434520578">Hi frank</span><div>I have done something like that for my prop shaft seal oil filled compartment. But first i removed the hose and filled with a serynge with long steel needle. Then put the tube and filled it with the serynge. </div><div>The tube is flexible and transparent, from endurance sport platypus drinking bladder<br clear="none">Works well</div><div>Regards </div><div>Antoine <span class="yiv9434520578"><br clear="none">On Monday, December 5, 2016, James Frankland via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs. org</a>> wrote:<br clear="none"></span><div class="yiv9434520578m_-6973932285791176293yiv8070633751m_-6973601674998661380yiv6057255083yqt4043277881" id="yiv9434520578m_-6973932285791176293yiv8070633751m_-6973601674998661380yiv6057255083yqt98767"><blockquote class="yiv9434520578m_-6973932285791176293yiv8070633751m_-6973601674998661380yiv6057255083gmail_quote" style="margin: 0px 0px 0px 0.8ex; padding-left: 1ex; border-left-color: rgb(204, 204, 204); border-left-width: 1px; border-left-style: solid;"><div dir="ltr"><div>Hi All</div><div> </div><div>I have been talking to Rick about motor compensation which has got me thinking.</div><div> </div><div>I originally did my motors like other psubbers have done with the rubber tubes around the sides, but have found them a real pain to fill. Problem is the location of the tube, plus the tiny bit of protruding pipe nipple on the inside.</div><div> </div><div>So, I modified the motors by drilling a hole in the top part of the aluminium endcap and use that now as the vent\final fill. Its better, but still awkward.</div><div> </div><div>I have suggested to Rick this idea, which I am tempted to adopt myself. Blocking off the existing side mounted pipe nipples and filling\venting\compensating all from the one top hole. There would be a rubber bulb of some sort on the end of the pipe. 2x pictures show filling and operation. Appologies for rubbish drawings, im at work.</div><div> </div><div>What does everyone think?</div><div> </div><div><img width="535" height="397" src="cid:Z4o7OBnQ0gBtXIsTFVi0" data-id="c5224494-9e40-20e2-ad4f-8c26c874a628"></div><div><img width="535" height="380" src="cid:qoBoIWl9yvKrfTUaPzij" data-id="79b18407-7ab7-094a-e383-8b5ccfa2cc6e"><br clear="none"><br clear="none"></div></div>
</blockquote></div></div></div></div><br clear="none"></div></div><span class="yiv9434520578"></span><div class="yiv9434520578m_-6973932285791176293yiv8070633751m_-6973601674998661380yqt4043277881" id="yiv9434520578m_-6973932285791176293yiv8070633751m_-6973601674998661380yqt42089">______________________________ _________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a href="mailto:Personal_Submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs. org</a><br clear="none"><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank" rel="nofollow" shape="rect">http://www.psubs.org/mailman/ listinfo.cgi/personal_ submersibles</a><br clear="none"></div><br clear="none"><br clear="none"></div> </div> </div> </div></div></div></div><span class="yiv9434520578"><br clear="none">______________________________ _________________<br clear="none">
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