<div dir="ltr">The air bubble is for a few reasons.<div><br></div><div>1. To allow easier expansion of the oil if required, even though its enclosed.</div><div>2. Seems impossible to completely eliminate it, so thought id go with it.</div><div>3. Some people said you should have a bubble last time i brought this up! </div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, 6 Jul 2020 at 15:16, Alec Smyth via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Looks good to me, but why have an air bubble? I always tried like crazy to eliminate it, since that is what expands or contracts most.<div><br></div><div>Thanks,<br>Alec</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jul 6, 2020 at 10:00 AM hank pronk via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:13px"><div></div>
<div dir="ltr">James, that looks great-the air bubble is good also. </div><div dir="ltr">Hank</div><div><br></div>
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On Monday, July 6, 2020, 7:31:46 AM MDT, James Frankland via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:
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<div><div id="gmail-m_-7880345286711961603gmail-m_-3976201644504126091yiv3654283630"><div dir="ltr">Hi All<div><br></div><div>Getting Jodie B ready for diving in the next week or so.</div><div>I have changed the motor compensator yet again as the last enclosed one didnt really have a proper flexible part and I think the oil expanded a bit over time and leaked out through the seals. Just a tiny bit, but enough to put some air back in the pipe.</div><div><br>Anyway, the new method is simply a tube with belows. These are from a toilet flush and have been sitting full of oil for a couple of weeks to see if anything happens. They seem good, so i have installed them. The motor is completely filled with oil and the bellows have a small amount of air. They compress easily, so should provide pressure compensation while also allowing the oil to expand if required.</div><div><br></div><div>The bellows will be covered with an open ended tube for protection. Just got to make a strap for those.</div><div><br></div><div>Any comments?<br>Thanks</div><div>James</div><div><br><div><img src="cid:173247aa70dd6d64cca1" alt="20200704_142240.jpg" width="407" height="542"><br></div></div></div></div>_______________________________________________<br>Personal_Submersibles mailing list<br><a href="mailto:Personal_Submersibles@psubs.org" target="_blank">Personal_Submersibles@psubs.org</a><br><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br></div>
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