<html><head></head><body><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div></div>
<div>Brian, Can you submerge the motor in a garbage can or something and flow water through to keep a constant temperature and compare. Very good test!</div><div>Hank</div><div><br></div>
<div id="yahoo_quoted_3149362775" class="yahoo_quoted">
<div style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;">
<div>
On Tuesday, April 3, 2018, 3:27:46 AM MDT, Jon Wallace via Personal_Submersibles <personal_submersibles@psubs.org> wrote:
</div>
<div><br></div>
<div><br></div>
<div><div id="yiv1258783497"><div><div style="color:#000;background-color:#fff;font-family:times new roman, new york, times, serif;font-size:16px;"><div id="yiv1258783497yui_3_16_0_ym19_1_1522745464962_15642"><span></span></div><div dir="ltr" id="yiv1258783497yui_3_16_0_ym19_1_1522745464962_15572"><span id="yiv1258783497yui_3_16_0_ym19_1_1522745464962_15573">Assuming the tubing was 1/2" inside diameter, I calculated a volume of 10.44 ounces was displaced which is almost exactly 10% of the housing volume. I think that represents an increase of about 3psi in a sealed housing, but I'm not confident of that number.</span></div><div class="yiv1258783497qtdSeparateBR" id="yiv1258783497yui_3_16_0_ym19_1_1522745464962_15518"><br clear="none"></div><div class="yiv1258783497qtdSeparateBR" id="yiv1258783497yui_3_16_0_ym19_1_1522745464962_15518">Jon<br clear="none"><br clear="none"></div><div class="yiv1258783497yahoo_quoted" id="yiv1258783497yui_3_16_0_ym19_1_1522745464962_15522" style="display:block;"> <div id="yiv1258783497yui_3_16_0_ym19_1_1522745464962_15521" style="font-family:times new roman, new york, times, serif;font-size:16px;"> <div id="yiv1258783497yui_3_16_0_ym19_1_1522745464962_15520" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div class="yiv1258783497yqt4538655688" id="yiv1258783497yqt34272"><div dir="ltr" id="yiv1258783497yui_3_16_0_ym19_1_1522745464962_15519"> <font id="yiv1258783497yui_3_16_0_ym19_1_1522745464962_15570" size="2" face="Arial"> </font><hr id="yiv1258783497yui_3_16_0_ym19_1_1522745464962_15571" size="1"> <b><span style="font-weight:bold;">From:</span></b> Brian Cox via Personal_Submersibles <personal_submersibles@psubs.org><br clear="none"> <b><span style="font-weight:bold;">To:</span></b> PSubs <personal_submersibles@psubs.org> <br clear="none"> <b><span style="font-weight:bold;">Sent:</span></b> Monday, April 2, 2018 10:54 PM<br clear="none"> <b><span style="font-weight:bold;">Subject:</span></b> [PSUBS-MAILIST] motor pod testing<br clear="none"> </div> <div class="yiv1258783497y_msg_container" id="yiv1258783497yui_3_16_0_ym19_1_1522745464962_15523"><br clear="none"><div id="yiv1258783497"><div id="yiv1258783497yui_3_16_0_ym19_1_1522745464962_15525" style="font-family:Arial, sans-serif;font-size:10pt;"><div id="yiv1258783497yui_3_16_0_ym19_1_1522745464962_15524">Hi All , Tested my motor pods today for about an hour at about 3/4 maximum speed. Had about 8 feet of 1/2" vinyl tubing coming from the top of the motors going straight up into the air and hanging from my overhead I beams. Had the vinyl tubing connected to small inner tubes that had the air evacuated out of them. It was a cool day ( overcast, 60 degrees) . I ran the motors for over an hour, by the end of the hour the wd40 had climbed the whole 8 feet of tubing to the base of the inner tube. The motor pods were warm. If the sub had been in the water I don't think I would have had as much expansion of the oil. So I think that is going to work pretty good. Gives me a chance to run the batteries down significantly to see how my battery charger works with drained batteries, and how long it takes to bring them back up.</div><div id="yiv1258783497yui_3_16_0_ym19_1_1522745464962_15526"> </div><div id="yiv1258783497yui_3_16_0_ym19_1_1522745464962_15527">Brian</div><div id="yiv1258783497yui_3_16_0_ym19_1_1522745464962_15528"> </div><div id="yiv1258783497yui_3_16_0_ym19_1_1522745464962_15529"> </div></div></div>_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a rel="nofollow" shape="rect" 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" 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 clear="none"><br clear="none"></div></div> </div> </div> </div></div></div></div><div class="yqt4538655688" id="yqt54734">_______________________________________________<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>
</div>
</div></div></body></html>