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<div dir="ltr" data-setdir="false">I found SuperLube which has 100 cSt viscosity, but it's pretty expensive at $17 for 4oz.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><a href="https://www.super-lube.com/silicone-oil" rel="nofollow" target="_blank" class="enhancr_card_1320779766">Silicone Oil | Synthetic Oils</a><br></div><div><br></div><div id="ydpf6eaf3baenhancr_card_1320779766" class="ydpf6eaf3bayahoo-link-enhancr-card ydpf6eaf3baymail-preserve-class ydpf6eaf3baymail-preserve-style" style="max-width:400px;font-family:YahooSans VF, YahooSans, Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif" data-url="https://www.super-lube.com/silicone-oil" data-type="YENHANCER" data-size="MEDIUM" contenteditable="false"><a href="https://www.super-lube.com/silicone-oil" style="text-decoration:none !important;color:#000 !important" class="ydpf6eaf3bayahoo-enhancr-cardlink" rel="nofollow" target="_blank"><table border="0" class="ydpf6eaf3bacard-wrapper ydpf6eaf3bayahoo-ignore-table" cellpadding="0" cellspacing="0" style="max-width:400px"><tbody><tr><td width="400"><table border="0" class="ydpf6eaf3bacard ydpf6eaf3bayahoo-ignore-table" cellpadding="0" cellspacing="0" width="100%" style="max-width:400px;border-width:1px;border-style:solid;border-color:rgb(224, 228, 233);border-radius:2px"><tbody><tr><td class="ydpf6eaf3bacard-primary-image-cell" background="https://s.yimg.com/lo/api/res/1.2/O9CTsKsJ4Eh7ZBfJSZNVWw--~A/Zmk9ZmlsbDt3PTQwMDtoPTIwMDthcHBpZD1pZXh0cmFjdA--/https://www.super-lube.com/Content/Images/uploaded/Footer Icons/ISO9001-2015 White.png.cf.jpg" bgcolor="#000000" valign="top" height="175" style="background-color: rgb(0, 0, 0); background-size: cover; position: relative; border-radius: 2px 2px 0px 0px; min-height: 175px;"><!--[if gte mso 9]><v:rect fill="true" stroke="false" style="width:396px;height:175px;position:absolute;top:0;left:0;"><v:fill type="frame" color="#000000" src="https://s.yimg.com/lo/api/res/1.2/O9CTsKsJ4Eh7ZBfJSZNVWw--~A/Zmk9ZmlsbDt3PTQwMDtoPTIwMDthcHBpZD1pZXh0cmFjdA--/https://www.super-lube.com/Content/Images/uploaded/Footer Icons/ISO9001-2015 White.png.cf.jpg"/></v:rect><![endif]--><table border="0" class="ydpf6eaf3bacard-overlay-container-table ydpf6eaf3bayahoo-ignore-table" cellpadding="0" cellspacing="0" style="width:100%"><tbody><tr><td class="ydpf6eaf3bacard-overlay-cell" background="https://s.yimg.com/cv/ae/nq/storm/assets/enhancrV21/1/enhancr_gradient-400x175.png" bgcolor="transparent" valign="top" style="background-color: transparent; border-radius: 2px 2px 0px 0px; min-height: 175px;"><!--[if gte mso 9]><v:rect fill="true" stroke="false" style="width:396px;height:175px;position:absolute;top:-18px;left:0;"><v:fill type="pattern" color="#000000" src="https://s.yimg.com/cv/ae/nq/storm/assets/enhancrV21/1/enhancr_gradient-400x175.png"/><v:textbox inset="0,0,20px,0"><![endif]--><table border="0" class="ydpf6eaf3bayahoo-ignore-table" height="175" style="width: 100%; min-height: 175px;"><tbody><tr><td class="ydpf6eaf3bacard-richInfo2" style="text-align:left;padding:15px 0 0 15px;vertical-align:top"></td><td class="ydpf6eaf3bacard-actions" style="text-align:right;padding:15px 15px 0 0;vertical-align:top"><div class="ydpf6eaf3bacard-share-container"></div></td></tr></tbody></table><!--[if gte mso 9]></v:textbox></v:rect><![endif]--></td></tr></tbody></table></td></tr><tr><td><table border="0" align="center" class="ydpf6eaf3bacard-info ydpf6eaf3bayahoo-ignore-table" cellpadding="0" cellspacing="0" style="background:#fff;position:relative;z-index:2;width:100%;max-width:400px;border-radius:0 0 2px 2px;border-top:1px solid rgb(224, 228, 233)"><tbody><tr><td style="background-color:#ffffff;padding:16px 0 16px 12px;vertical-align:top;border-radius:0 0 0 2px"></td><td style="vertical-align:middle;padding:12px 24px 16px 12px;width:99%;font-family:YahooSans VF, YahooSans, Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif;border-radius:0 0 2px 0"><h2 class="ydpf6eaf3bacard-title" style="font-size: 14px; line-height: 19px; margin: 0px 0px 6px; font-family: YahooSans VF, YahooSans, Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif; color: rgb(29, 34, 40); max-width: 314px;">Silicone Oil | Synthetic Oils</h2><p class="ydpf6eaf3bacard-description" style="font-size: 12px; line-height: 16px; margin: 0px; color: rgb(151, 158, 168);">Super Lube® Silicone Oil is a straight chained polydimethylsiloxanic fluid. This product is available in 100 cSt...</p></td></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table></a></div><div><br></div><div><br></div><div><br></div><div dir="ltr" data-setdir="false"><br></div><div><br></div>
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On Tuesday, July 25, 2023 at 04:18:06 PM EDT, Alan James via Personal_Submersibles <personal_submersibles@psubs.org> wrote:
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<div><div id="ydp544a0ac3yiv6573482502"><div>Hi Cliff,<div>thanks for that detailed report.</div><div>We had discussed WD40 years ago and decided a low viscosity silicone was the way to go. The main problem we discussed was that the WD40 degraded plastics, but yes could imagine it would act on the binder in the brushes.</div><div>I built a thruster using a 6374 outrunner brushless motor.</div><div>I had 11 motors made up with 316 stainless shafts to my specs. I also had a mechanical seal. I feel now that I should build again with an inrunner motor. The inrunner has the coils on the outside and can dissipate the heat through the housing whereas with the outrunner, it's inner coils were being cooled by the silicone. It hasn't failed.</div><div>I found I needed an over-pressure in the compensation system as the silicone was being thrown out of the thruster housing and up the wiring tube.</div><div>I have been working for a long time now on an over-pressure compensator & recently bought a 3d resin printer to print the compensator body & sealing surfaces.</div><div>Not far off finishing but have to order 316 springs from overseas. The compensator can be pre set to between 2-8 psi. </div><div>The idea is that the thruster is oil compensated but pressurized by air. I like oil compensation as it lubricates & cools the parts, & in Minn Kottas I have seen, they don't have a bearing for reverse.</div><div>Alan</div><div><br clear="none"></div><div><br clear="none"><br clear="none"><div id="ydp544a0ac3yiv6573482502ymail_android_signature"><a shape="rect" id="ydp544a0ac3yiv6573482502ymail_android_signature_link" href="https://mail.onelink.me/107872968?pid=nativeplacement&c=Global_Acquisition_YMktg_315_Internal_EmailSignature&af_sub1=Acquisition&af_sub2=Global_YMktg&af_sub3=&af_sub4=100000604&af_sub5=EmailSignature__Static_" rel="nofollow" target="_blank">Sent from Yahoo Mail on Android</a></div> <br clear="none"> <blockquote style="margin:0 0 20px 0;"> <div style="font-family:Roboto, sans-serif;color:#6D00F6;"> <div>On Wed, 26 Jul 2023 at 6:13 am, Cliff Redus via Personal_Submersibles</div><div><personal_submersibles@psubs.org> wrote:</div> </div> <div style="padding:10px 0 0 20px;margin:10px 0 0 0;border-left:1px solid #6D00F6;"> _______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a shape="rect" href="mailto:Personal_Submersibles@psubs.org" rel="nofollow" target="_blank">Personal_Submersibles@psubs.org</a><br clear="none"><a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" rel="nofollow" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><div id="ydp544a0ac3yiv6573482502yqtfd32312" class="ydp544a0ac3yiv6573482502yqt4735161109"><br clear="none"> </div></div><div id="ydp544a0ac3yiv6573482502yqtfd20601" class="ydp544a0ac3yiv6573482502yqt4735161109"> </div></blockquote></div></div></div>_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a shape="rect" href="mailto:Personal_Submersibles@psubs.org" rel="nofollow" target="_blank">Personal_Submersibles@psubs.org</a><br clear="none"><a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" rel="nofollow" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><div class="ydp544a0ac3yqt4735161109" id="ydp544a0ac3yqtfd71462"><br clear="none"></div></div>
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