<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><title></title></head><body><p style="margin: 0px;"><span style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">Air compensation will work for sure. But corrosion can be an issue. <br /></span></p>
<p style="margin: 0px;"><span style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">I prefer oil compensation with silicon oil. </span></p>
<p style="margin: 0px;"><span style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">Its harmless to the invorement and base for our sun protecion soap..</span></p>
<p style="margin: 0px;"><span style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">But Air compensation has the higher engine efficenciy..</span></p>
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<p style="margin: 0px;"><span style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">vbr Carsten </span></p>
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<p style="margin: 0px;">-----Original-Nachricht-----</p>
<p style="margin: 0px;">Betreff: Re: [PSUBS-MAILIST] WD - 40</p>
<p style="margin: 0px;">Datum: 2017-03-29T20:15:49+0200</p>
<p style="margin: 0px;">Von: "emile via Personal_Submersibles" <personal_submersibles@psubs.org></p>
<p style="margin: 0px;">An: "'Personal Submersibles General Discussion'" <personal_submersibles@psubs.org></p>
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<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Arial','sans-serif'; color: #1f497d;">Totally agree with you. </span></p>
<p class="MsoNormal"><span style="font-size: 11.0pt; font-family: 'Arial','sans-serif'; color: #1f497d;"> </span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size: 11.0pt; font-family: 'Arial','sans-serif'; color: #1f497d;">With clever positioning of the connections and 2<sup>nd</sup> stage, any (condensated) water will be expelled when ascending.</span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size: 11.0pt; font-family: 'Arial','sans-serif'; color: #1f497d;">BR, Emile</span></p>
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<p class="MsoNormal"><strong><span style="font-size: 10.0pt; font-family: 'Tahoma','sans-serif';">Van:</span></strong><span style="font-size: 10.0pt; font-family: 'Tahoma','sans-serif';"> Personal_Submersibles [mailto:personal_submersibles-bounces@psubs.org] <strong>Namens </strong>james cottrell via Personal_Submersibles<br /><strong>Verzonden:</strong> woensdag 29 maart 2017 15:01<br /><strong>Aan:</strong> Personal Submersibles General Discussion<br /><strong>Onderwerp:</strong> Re: [PSUBS-MAILIST] WD - 40</span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 8.0pt; font-family: 'Verdana','sans-serif'; color: black;">I have to say, I no longer think that WD40 is the best for compensating things underwater. Over time it causes plastics and rubber to harden and become brittle.</span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 8.0pt; font-family: 'Verdana','sans-serif'; color: black;">Silicone oil is better but the other problem with oil compensation in general is that the smallest drop/leak makes a very visible oil slick around your sub (not good). Most guys are using trolling motors and they're not really tight enough to hold thin oil without leaks.</span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 8.0pt; font-family: 'Verdana','sans-serif'; color: black;">Back in the 90s I was using air compensation- and it actually worked really well. As far as I know, Karl Stanley has also been using air compensation for a long time without problems.</span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 8.0pt; font-family: 'Verdana','sans-serif'; color: black;">It's a clean system that's not hard to set up and a small bottle of air lasts for many dives.</span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 8.0pt; font-family: 'Verdana','sans-serif'; color: black;">Greg C</span></p>
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<p class="MsoNormal" style="background: white;"><strong id="yui_3_16_0_1_1490790963881_5066"><span style="font-size: 10.0pt; font-family: 'Arial','sans-serif'; color: black;">From:</span></strong><span style="font-size: 10.0pt; font-family: 'Arial','sans-serif'; color: black;"> "<a href="mailto:MerlinSub@t-online.de%20via%20Personal_Submersibles">MerlinSub@t-online.de via Personal_Submersibles</a>" <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br /><strong id="yui_3_16_0_1_1490790963881_5064">To:</strong> Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> <br /><strong id="yui_3_16_0_1_1490790963881_5062">Sent:</strong> Tuesday, March 28, 2017 12:55 PM<br /><strong>Subject:</strong> Re: [PSUBS-MAILIST] WD - 40</span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 10.0pt; font-family: 'Arial','sans-serif'; color: black;">On a brushless motor it will maybe work with mineral oil. </span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 10.0pt; font-family: 'Arial','sans-serif'; color: black;">On motors with brushes I have bad expierence with that. </span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 10.0pt; font-family: 'Arial','sans-serif'; color: black;">Mineral oil is a big problem in a lake if a motor is even a little untight. </span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 9.5pt; font-family: 'Helvetica','sans-serif'; color: black;">-----Original-Nachricht-----</span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 9.5pt; font-family: 'Helvetica','sans-serif'; color: black;">Betreff: Re: [PSUBS-MAILIST] WD - 40</span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 9.5pt; font-family: 'Helvetica','sans-serif'; color: black;">Datum: 2017-03-28T17:15:59+0200</span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 9.5pt; font-family: 'Helvetica','sans-serif'; color: black;">Von: "Brian Cox via Personal_Submersibles" <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>></span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 9.5pt; font-family: 'Helvetica','sans-serif'; color: black;">An: "Personal Submersibles General Discussion" <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>></span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 10.0pt; font-family: 'Arial','sans-serif'; color: black;">Hi Carsten, </span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 10.0pt; font-family: 'Arial','sans-serif'; color: black;"> I did a small test trying to light the WD40 on fire. It's not as flammable as I thought it would be. I think they have improved it's non-flammability with new formulation. It's still somewhat flammable however. </span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 10.0pt; font-family: 'Arial','sans-serif'; color: black;">I will be using a light mineral oil in my motors.</span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 10.0pt; font-family: 'Arial','sans-serif'; color: black;">Brian</span></p>
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<p class="MsoNormal" style="margin-bottom: 12.0pt; background: white;"><span style="font-size: 10.0pt; font-family: 'Arial','sans-serif'; color: black;"><br /><br />--- <a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a> wrote:<br /><br />From: "<a href="mailto:MerlinSub@t-online.de%20via%20Personal_Submersibles">MerlinSub@t-online.de via Personal_Submersibles</a>" <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br />To: Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br />Subject: Re: [PSUBS-MAILIST] WD - 40<br />Date: Tue, 28 Mar 2017 07:22:02 +0200 (MEST)</span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 10.0pt; font-family: 'Arial','sans-serif'; color: black;">Heat Vapor is may a problem with WD40. </span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 10.0pt; font-family: 'Arial','sans-serif'; color: black;">May ensure that the compensating back is big to handle that.. </span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 10.0pt; font-family: 'Arial','sans-serif'; color: black;">We change to silicon oil for that reason. </span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 10.0pt; font-family: 'Arial','sans-serif'; color: black;">vbr Carsten </span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 9.5pt; font-family: 'Helvetica','sans-serif'; color: black;">-----Original-Nachricht-----</span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 9.5pt; font-family: 'Helvetica','sans-serif'; color: black;">Betreff: [PSUBS-MAILIST] WD - 40</span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 9.5pt; font-family: 'Helvetica','sans-serif'; color: black;">Datum: 2017-03-28T04:56:46+0200</span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 9.5pt; font-family: 'Helvetica','sans-serif'; color: black;">Von: "Brian Cox via Personal_Submersibles" <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>></span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 9.5pt; font-family: 'Helvetica','sans-serif'; color: black;">An: "PSubs" <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>></span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 10.0pt; font-family: 'Arial','sans-serif'; color: black;">I just ran one of my motors filled with the WD40. It seemed to be very happy. I mainly just did it to clean the carbon build up out of the motor. I was surprised how sealed the motor was, it is open at one end where it mates to the gear box. I was able to fill it up without it leaking out anywhere. That could be an issue later when I want the mineral oil to fill all the voids. I might need to actually drill some holes to get some circulation . </span></p>
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<p class="MsoNormal" style="background: white;"><span style="font-size: 10.0pt; font-family: 'Arial','sans-serif'; color: black;">Brian </span></p>
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