<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"><div id="yui_3_16_0_1_1447508054764_3242"><span>Alan,</span></div><div id="yui_3_16_0_1_1447508054764_3242"><span>Are you talking about making a mould with casting rubber that fits over the cable with a void that you will fill with silicone. Then remove the mould.</span></div><div id="yui_3_16_0_1_1447508054764_3242">That would sure look nice.</div><div id="yui_3_16_0_1_1447508054764_3242">Hank</div> <br><div class="qtdSeparateBR"><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: 12px;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div dir="ltr"> <font size="2" face="Arial"> On Saturday, November 14, 2015 4:38 AM, hank pronk via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br> </font> </div> <br><br> <div class="y_msg_container"><div id="yiv6514344442"><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;"><div id="yiv6514344442yui_3_16_0_1_1447500983695_2729"><span>Alan,</span></div><div id="yiv6514344442yui_3_16_0_1_1447500983695_2729"><span>If you go with casting resin, buy small quantities. Once you open the containers, they don't last long after. </span></div><div id="yiv6514344442yui_3_16_0_1_1447500983695_2729"><span>Hank</span></div> <br clear="none"><div class="yiv6514344442qtdSeparateBR"><br clear="none"><br clear="none"></div><div class="yiv6514344442yahoo_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;"> <div class="yiv6514344442yqt2356675954" id="yiv6514344442yqt67073"><div dir="ltr"> <font size="2" face="Arial"> On Friday, November 13, 2015 8:47 PM, Alan James via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br clear="none"> </font> </div> <br clear="none"><br clear="none"> <div class="yiv6514344442y_msg_container"><div id="yiv6514344442"><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"><div id="yiv6514344442yui_3_16_0_1_1447470896514_4968"><span id="yiv6514344442yui_3_16_0_1_1447470896514_5591">Thanks Hank.</span></div><div id="yiv6514344442yui_3_16_0_1_1447470896514_4968"><span id="yiv6514344442yui_3_16_0_1_1447470896514_5619">I will try the polyeurathane.</span></div><div id="yiv6514344442yui_3_16_0_1_1447470896514_4970"><span id="yiv6514344442yui_3_16_0_1_1447470896514_4969">I have some subconn wet matable connectors, & looking</span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447470896514_4972"><span id="yiv6514344442yui_3_16_0_1_1447470896514_4971">at them closely I can see that they mate the head of the connector</span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447470896514_4972"><span id="yiv6514344442yui_3_16_0_1_1447470896514_5212">to the cable with a thin layer of rubber for at least an inch back.</span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447470896514_4972"><span id="yiv6514344442yui_3_16_0_1_1447470896514_5213">I am not sure whether the rubber head is molded over the cable</span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447470896514_4972"><span id="yiv6514344442yui_3_16_0_1_1447470896514_5214">or whether a layer of rubber is applied some how over the cable</span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447470896514_4972"><span id="yiv6514344442yui_3_16_0_1_1447470896514_5215">head & cable to seal over the entry point of the cable into the connector head.</span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447470896514_4972"><span id="yiv6514344442yui_3_16_0_1_1447470896514_5328">However it seems to lend weight to my idea of applying silicone an</span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447470896514_4972"><span id="yiv6514344442yui_3_16_0_1_1447470896514_5564">inch up the cable. Now all I need to do is track down or make a pressure </span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447470896514_4972"><span>Chamber.</span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447470896514_4972"><span id="yiv6514344442yui_3_16_0_1_1447470896514_5673">Cheers Alan</span></div><br clear="none"> <div id="yiv6514344442yui_3_16_0_1_1447470896514_5246" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div id="yiv6514344442yui_3_16_0_1_1447470896514_5245" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div class="yiv6514344442yqt2799237945" id="yiv6514344442yqt25126"><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447470896514_5244"> <hr id="yiv6514344442yui_3_16_0_1_1447470896514_5243" size="1"> <font id="yiv6514344442yui_3_16_0_1_1447470896514_5247" size="2" face="Arial"> <b id="yiv6514344442yui_3_16_0_1_1447470896514_5683"><span id="yiv6514344442yui_3_16_0_1_1447470896514_5682" style="font-weight:bold;">From:</span></b> hank pronk via Personal_Submersibles <personal_submersibles@psubs.org><br clear="none"> <b id="yiv6514344442yui_3_16_0_1_1447470896514_5681"><span id="yiv6514344442yui_3_16_0_1_1447470896514_5680" style="font-weight:bold;">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br clear="none"> <b id="yiv6514344442yui_3_16_0_1_1447470896514_5679"><span id="yiv6514344442yui_3_16_0_1_1447470896514_5678" style="font-weight:bold;">Sent:</span></b> Saturday, November 14, 2015 3:12 PM<br clear="none"> <b id="yiv6514344442yui_3_16_0_1_1447470896514_5677"><span id="yiv6514344442yui_3_16_0_1_1447470896514_5676" style="font-weight:bold;">Subject:</span></b> Re: [PSUBS-MAILIST] Castable Rubber<br clear="none"> </font> </div> <div class="yiv6514344442y_msg_container" id="yiv6514344442yui_3_16_0_1_1447470896514_5528"><br clear="none"><div id="yiv6514344442"><div id="yiv6514344442yui_3_16_0_1_1447470896514_5527"><div id="yiv6514344442yui_3_16_0_1_1447470896514_5526" style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;"><div id="yiv6514344442yui_3_16_0_1_1447466813550_2937"><span>Alan,</span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447466813550_2937"><span id="yiv6514344442yui_3_16_0_1_1447470896514_5531">I made two through hulls with pipe thread bushings almost the way you are. I use poly urethane casting resin, I hate epoxy. I tested my through hulls in my test chamber to 1,500 feet with zero issues. I just silicone the threaded rod at the bottom to keep the resin in till it cures. I made a plug connector for my Perry thrusters with casting resin also, that suff rules!</span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447466813550_2937"><span>Hank</span></div> <br clear="none"><div class="yiv6514344442qtdSeparateBR" id="yiv6514344442yui_3_16_0_1_1447470896514_5674"><br clear="none"><br clear="none"></div><div class="yiv6514344442yahoo_quoted" id="yiv6514344442yui_3_16_0_1_1447470896514_5525" style="display:block;"> <div id="yiv6514344442yui_3_16_0_1_1447470896514_5524" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;"> <div id="yiv6514344442yui_3_16_0_1_1447470896514_5523" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div class="yiv6514344442qtdSeparateBR"><br clear="none"><br clear="none"></div><div class="yiv6514344442yqt7701229595" id="yiv6514344442yqt98794"><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447470896514_5530"> <font id="yiv6514344442yui_3_16_0_1_1447470896514_5529" size="2" face="Arial"> On Friday, November 13, 2015 5:58 PM, Alan James via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br clear="none"> </font> </div> <br clear="none"><br clear="none"> <div class="yiv6514344442y_msg_container" id="yiv6514344442yui_3_16_0_1_1447470896514_5522"><div id="yiv6514344442"><div id="yiv6514344442yui_3_16_0_1_1447470896514_5521"><div id="yiv6514344442yui_3_16_0_1_1447470896514_5520" style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"><div id="yiv6514344442yui_3_16_0_1_1447461477147_2815"><span id="yiv6514344442yui_3_16_0_1_1447461477147_2814">As this has created a lot of interest, I thought I'd follow up with a</span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447461477147_2797"><span id="yiv6514344442yui_3_16_0_1_1447461477147_2816">couple of drawings of my through hull idea :) (Attached at bottom.)</span></div><div id="yiv6514344442yui_3_16_0_1_1447461477147_2790"><span id="yiv6514344442yui_3_16_0_1_1447461477147_2838">I am using a common reducer fitting to butt or key the epoxy.</span></div><div id="yiv6514344442yui_3_16_0_1_1447461477147_2790"><span id="yiv6514344442yui_3_16_0_1_1447461477147_3353">There are standard reducer fittings with o-rings.</span></div><div id="yiv6514344442yui_3_16_0_1_1447461477147_2790"><span id="yiv6514344442yui_3_16_0_1_1447461477147_3334">I am going to silicone over the outer part of the fitting & along the</span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447461477147_2790"><span id="yiv6514344442yui_3_16_0_1_1447461477147_3417">cable jacket. Then mold over this with the castable rubber to </span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447461477147_2790"><span>tidy it up. </span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447461477147_2790"><span id="yiv6514344442yui_3_16_0_1_1447461477147_3601">The theory is the silicone will compress under pressure on to</span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447461477147_2790"><span id="yiv6514344442yui_3_16_0_1_1447461477147_3397">the jacket (which should itself compress), & seal the jacket better</span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447461477147_2790"><span>than just epoxy.</span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447461477147_2790"><span id="yiv6514344442yui_3_16_0_1_1447461477147_3123">I looked at a long video of Doug Jackson making through hulls</span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447461477147_2790"><span id="yiv6514344442yui_3_16_0_1_1447461477147_3122">for his rov by epoxying in brass pins. They were failing badly in most cases.</span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447461477147_2790"><span id="yiv6514344442yui_3_16_0_1_1447461477147_3121">I will never trust epoxy again.</span></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447461477147_3166"><a rel="nofollow" shape="rect" id="yiv6514344442yui_3_16_0_1_1447461477147_3159" target="_blank" href="https://www.youtube.com/watch?v=UDZQIDkWs4w">https://www.youtube.com/watch?v=UDZQIDkWs4w</a></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447461477147_3166">Regards Alan</div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447461477147_3166"><br clear="none"></div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447461477147_3166"><br clear="none"></div> <div id="yiv6514344442yui_3_16_0_1_1447461477147_2743" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div id="yiv6514344442yui_3_16_0_1_1447461477147_2742" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div class="yiv6514344442yqt5977798766" id="yiv6514344442yqt49283"><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447461477147_2741"> <hr id="yiv6514344442yui_3_16_0_1_1447461477147_2880" size="1"> <font id="yiv6514344442yui_3_16_0_1_1447461477147_2740" size="2" face="Arial"> <b id="yiv6514344442yui_3_16_0_1_1447461477147_3120"><span id="yiv6514344442yui_3_16_0_1_1447461477147_3119" style="font-weight:bold;">From:</span></b> Alan James 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> Friday, November 13, 2015 10:52 PM<br clear="none"> <b><span style="font-weight:bold;">Subject:</span></b> [PSUBS-MAILIST] Castable Rubber<br clear="none"> </font> </div> <div class="yiv6514344442y_msg_container" id="yiv6514344442yui_3_16_0_1_1447461477147_3105"><br clear="none"><div id="yiv6514344442"><div id="yiv6514344442yui_3_16_0_1_1447461477147_3104"><div id="yiv6514344442yui_3_16_0_1_1447461477147_3103" style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"><div id="yiv6514344442yui_3_16_0_1_1447407586257_2469">Was thinking about home made electrical through hulls & came</div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447407586257_2469">across this castable silicone rubber.</div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447407586257_2469"><a rel="nofollow" shape="rect" id="yiv6514344442yui_3_16_0_1_1447407586257_2515" target="_blank" href="https://www.youtube.com/watch?v=YKw8pxgPJFU">How to make a moldable castable rubber (homemade Sugru, Oogroo)</a><br clear="none"></div><div class="yiv6514344442link-enhancr-attachment yiv6514344442link-enhancr-element yiv6514344442richcompose-card" id="yiv6514344442enhancrCard_0" style="width:450px;font-family:'Georgia', 'Times', 'Times New Roman', 'serif';margin-top:5px;margin-bottom:5px;background-color:#ffffff;"><table class="yiv6514344442link-enhancr-element" id="yiv6514344442yui_3_16_0_1_1447407586257_2538" cellspacing="0" cellpadding="0" border="0" style="width:450px;height:170px;display:block;"><tbody id="yiv6514344442yui_3_16_0_1_1447407586257_2537"><tr class="yiv6514344442link-enhancr-element" id="yiv6514344442yui_3_16_0_1_1447407586257_2579"><td colspan="8" rowspan="1" class="yiv6514344442link-enhancr-element" id="yiv6514344442yui_3_16_0_1_1447407586257_2578" style="height:1px;background-color:#e5e5e5;font-size:1px;border-collapse:collapse;"><div class="yiv6514344442link-enhancr-element" id="yiv6514344442yui_3_16_0_1_1447407586257_2577" style="height:1px;background-color:#e5e5e5;font-size:1px;line-height:0px;"> </div></td></tr><tr class="yiv6514344442link-enhancr-element" 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yiv6514344442link-enhancr-element" id="yiv6514344442yui_3_16_0_1_1447461477147_3219" target="_blank" href="https://www.youtube.com/watch?v=YKw8pxgPJFU" style="text-decoration:none;text-decoration:none;color:#000000;line-height:100%;font-size:18px;display:block;"><span class="yiv6514344442link-enhancr-element yiv6514344442link-enhancr-card-title" id="yiv6514344442yui_3_16_0_1_1447461477147_3221" style="margin:0;font-weight:normal;margin-bottom:3px;font-size:18px;line-height:21px;max-height:43px;color:#000000;overflow:hidden;display:inline-block;">How to make a moldable castable rubber (homemade Sugr...</span></a></div></div></td></tr><tr id="yiv6514344442yui_3_16_0_1_1447407586257_2554"><td colspan="2" rowspan="1" class="yiv6514344442link-enhancr-element" id="yiv6514344442yui_3_16_0_1_1447407586257_2553" style="height:4px;background-color:#ffffff;font-size:0pt;border-collapse:collapse;"><div class="yiv6514344442link-enhancr-element" id="yiv6514344442yui_3_16_0_1_1447407586257_2552" 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class="yiv6514344442link-enhancr-element yiv6514344442link-enhancr-mobile-no-resize" style="vertical-align:middle;font-size:9px;line-height:11px;color:#999999;">View on <span class="yiv6514344442link-enhancr-view-on-domain" style="font-weight:bold;">www.youtube.com</span></span></span></a><span class="yiv6514344442link-enhancr-video-width yiv6514344442link-enhancr-element" title="459"></span><span class="yiv6514344442link-enhancr-video-height yiv6514344442link-enhancr-element" title="344"></span><span class="yiv6514344442link-enhancr-video-src yiv6514344442link-enhancr-element" title="https://www.youtube.com/embed/YKw8pxgPJFU?feature=oembed"></span></div></td><td colspan="1" rowspan="1" class="yiv6514344442link-enhancr-element" id="yiv6514344442yui_3_16_0_1_1447461477147_3217" style="vertical-align:middle;width:100px;font-family:'Arial', 'Helvetica Neue', 'Helvetica', 'sans-serif';"><div class="yiv6514344442link-enhancr-element yiv6514344442link-enhancr-preview-wrapper" id="yiv6514344442yui_3_16_0_1_1447461477147_3216" style="max-width:100px;min-width:80px;overflow:hidden;text-align:right;line-height:11px;max-height:13px;font-size:0pt;"><span class="yiv6514344442link-enhancr-element yiv6514344442link-enhancr-preview-by yiv6514344442link-enhancr-mobile-no-resize" id="yiv6514344442yui_3_16_0_1_1447461477147_3587" style="vertical-align:middle;font-size:9px;line-height:11px;color:#999999;">Preview by Yahoo</span></div></td></tr><tr id="yiv6514344442yui_3_16_0_1_1447407586257_2557"><td colspan="2" rowspan="1" class="yiv6514344442link-enhancr-element" id="yiv6514344442yui_3_16_0_1_1447407586257_2556" style="height:9px;background-color:#ffffff;font-size:0pt;border-collapse:collapse;"><div class="yiv6514344442link-enhancr-element" id="yiv6514344442yui_3_16_0_1_1447407586257_2555" style="height:9px;background-color:#ffffff;font-size:9pt;"></div></td></tr><tr class="yiv6514344442link-enhancr-element" id="yiv6514344442yui_3_16_0_1_1447461477147_3215"><td colspan="8" rowspan="1" class="yiv6514344442link-enhancr-element" id="yiv6514344442yui_3_16_0_1_1447461477147_3214" style="height:1px;background-color:#e5e5e5;font-size:1px;border-collapse:collapse;"><div class="yiv6514344442link-enhancr-element" id="yiv6514344442yui_3_16_0_1_1447461477147_3213" style="height:1px;background-color:#e5e5e5;font-size:1px;line-height:0px;"> </div></td></tr></tbody></table></div><div id="yiv6514344442yui_3_16_0_1_1447407586257_2469">Basically it's builders silicone mixed with corn flour about 50/50.</div><div id="yiv6514344442yui_3_16_0_1_1447407586257_2469">There are other recipes with builders silicone & baby powder.</div><div id="yiv6514344442yui_3_16_0_1_1447407586257_2469">My thought was to pot wires inside a suitable bronze or SS threaded fitting </div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447407586257_2469">& encase the electrical sheathing where it enters the fitting with straight silicone.</div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447407586257_2469">Then when hardened, cast the silicone / corn flour mix over the top to tidy it up.</div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447407586257_2469">The simple recipe may have a lot of other applications.</div><div dir="ltr" id="yiv6514344442yui_3_16_0_1_1447407586257_2469">Cheers Alan</div></div></div></div><br clear="none">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a rel="nofollow" shape="rect" id="yiv6514344442yui_3_16_0_1_1447461477147_3212" ymailto="mailto:Personal_Submersibles@psubs.org" target="_blank" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"><a rel="nofollow" shape="rect" id="yiv6514344442yui_3_16_0_1_1447461477147_3211" target="_blank" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"><br 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