<html><head></head><body><div style="color:#000; background-color:#fff; font-family:verdana, helvetica, sans-serif;font-size:13px"><div id="yui_3_16_0_ym19_1_1492269432664_42905"><span>Alan,</span></div><div id="yui_3_16_0_ym19_1_1492269432664_42903"><span id="yui_3_16_0_ym19_1_1492269432664_42902">The air comp system should have a dedicated tank.</span></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1492269432664_42901"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_ym19_1_1492269432664_42875" style="display: block;"> <div style="font-family: verdana, helvetica, sans-serif; font-size: 13px;" id="yui_3_16_0_ym19_1_1492269432664_42874"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_ym19_1_1492269432664_42873"> <div dir="ltr" id="yui_3_16_0_ym19_1_1492269432664_42872"> <font size="2" face="Arial" id="yui_3_16_0_ym19_1_1492269432664_42871"> <hr size="1"> <b id="yui_3_16_0_ym19_1_1492269432664_42870"><span style="font-weight:bold;" id="yui_3_16_0_ym19_1_1492269432664_42869">From:</span></b> Alan via Personal_Submersibles <personal_submersibles@psubs.org><br> <b id="yui_3_16_0_ym19_1_1492269432664_42879"><span style="font-weight: bold;" id="yui_3_16_0_ym19_1_1492269432664_42878">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br> <b id="yui_3_16_0_ym19_1_1492269432664_42882"><span style="font-weight: bold;" id="yui_3_16_0_ym19_1_1492269432664_42881">Sent:</span></b> Friday, April 14, 2017 8:01 PM<br> <b id="yui_3_16_0_ym19_1_1492269432664_42885"><span style="font-weight: bold;" id="yui_3_16_0_ym19_1_1492269432664_42884">Subject:</span></b> Re: [PSUBS-MAILIST] Oil Compensator<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_ym19_1_1492269432664_42887"><br><div dir="ltr" id="yui_3_16_0_ym19_1_1492269432664_42889">Jon,<br clear="none">Glad you found a solution.<br clear="none">I can't see any reason that you cannot use air compensation to<br clear="none">pressurise an oil filled motor! You can have the choice of having<br clear="none">air or filling with oil if you go with air compensation.<br clear="none">I haven't thought through the situation where you could break off<br clear="none">a fitting etc & drain a scuba tank of air. You would need to be sure<br clear="none">that in the event of failure you could blow your ballasts. Wonder<br clear="none">what Greg does!<br clear="none"> If you use Hugh / Cliff's regulator you have the option of dialling<br clear="none">in an overpressure, however I am not sure at what pressure the <br clear="none">relieving valve operates on that regulator. It would be dictated by <br clear="none">the relieving spring in the handle, & could be replaced with a <br clear="none">different strength spring.<br clear="none">Alan<br clear="none"><br clear="none"><br clear="none">Sent from my iPad<br clear="none"><br clear="none">> On 15/04/2017, at 11:36 AM, Jon Wallace via Personal_Submersibles <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br clear="none">> <br clear="none">> <br clear="none">> Looks like I have found an easier solution. Rather than finding a hose to fit over the shaft/motor coupler I can use 3/4 PVC sched-40 or a 1 inch plastic pipe barb fitting to fit inside the shaft/motor coupler. That gives me a short fitting to attach the air compensation hose to and it's smaller diameter so will be easier to find tubing or hose to fit it.<br clear="none">> <br clear="none">> With that, I think at this point I'm going to choose air compensation. While it requires more equipment and a potential octopus of tubing to retrofit it to the K-600, it has some very good advantages when it comes to easy-access to the motor when maintenance is required in the future.<br clear="none">> <br clear="none">> However, I reserve the right to change my mind. :)<br clear="none">> <br clear="none">> Jon<br clear="none">> <br clear="none">> <br clear="none">>> On 4/13/2017 9:32 PM, Alan via Personal_Submersibles wrote:<br clear="none">>> Jon,<br clear="none">>> an easy solution is to take the thruster, or that section of the thruster<br clear="none">>> in to a plumbing merchant or hydraulic repair shop & ask for something <br clear="none">>> compatible with a barbed hose fitting. Sometimes a metric option will<br clear="none">>> fit in an imperial thread, & so they may know of not so obvious solutions.<br clear="none">>> Alan<br clear="none">> <br clear="none">> _______________________________________________<br clear="none">> Personal_Submersibles mailing list<br clear="none">> <a shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none">> <a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><div class="yqt6316326284" id="yqtfd32783"><br clear="none"><br clear="none"><br clear="none">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"><a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"></div></div><br><br></div> </div> </div> </div></div></body></html>