<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"><div id="yiv4061157955"><div id="yui_3_16_0_ym18_1_1458664884172_10416"><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;" id="yui_3_16_0_ym18_1_1458664884172_10415"><div id="yiv4061157955yui_3_16_0_ym18_1_1458664884172_3019"><span id="yiv4061157955yui_3_16_0_ym18_1_1458664884172_3020">Sean yes it is conical, but when I close it with the o-ring, it does not close tight metal to metal and with the play in the hinge I feel like it is not closing evenly when I do the vacuum test. I am probably worrying about nothing, likely the hatch is not </span>completely seated metal to metal under vacuum. I am talking</div> <div class="yiv4061157955qtdSeparateBR" id="yui_3_16_0_ym18_1_1458664884172_10417"><br clear="none"><br clear="none"></div></div></div></div><div class=".yiv4061157955yahoo_quoted"> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;"> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div class="qtdSeparateBR"><br><br></div><div class="yiv4061157955yqt7943374468" id="yiv4061157955yqt64945"><div dir="ltr"><font size="2" face="Arial"> On Tuesday, March 22, 2016 10:18 AM, Sean T. Stevenson via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br clear="none"></font></div> <br clear="none"><br clear="none"> <div class="yiv4061157955y_msg_container"><div id="yiv4061157955"><div><div dir="ltr">What type of misalignment exists? Aren't you using a conical bearing face on your hatch? That should be self-centering.</div>
<div dir="ltr">Sean<br clear="none">
</div>
<br clear="none"><br clear="none"><div class="yiv4061157955gmail_quote">On March 22, 2016 9:03:59 AM MDT, hank pronk via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<blockquote class="yiv4061157955gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204, 204, 204);padding-left:1ex;">
<div class="yiv4061157955yqt7690350165" id="yiv4061157955yqt20545"><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;"><div id="yiv4061157955yui_3_16_0_ym18_1_1458658465670_2557">Hi All,</div><div id="yiv4061157955yui_3_16_0_ym18_1_1458658465670_2557">When I built my hatch system, I built it so the hinge pin has moment in it so the o-ring would have full contact before the hatch was fully closed metal to metal.</div><div id="yiv4061157955yui_3_16_0_ym18_1_1458658465670_2557">When I vacuum test it, the hatch is not perfectly even in the seat, or at least it seems like it. I am wondering if I should close the hatch with the o-ring out and the hatch perfectly positioned and then weld bushings to the hinge so the pin has no movement. Or should I leave it alone and expect that the external pressure will push the hatch into place? </div><div id="yiv4061157955yui_3_16_0_ym18_1_1458658465670_2557">Hank</div><div id="yiv4061157955yui_3_16_0_ym18_1_1458658465670_2557"><br clear="none"></div><div id="yiv4061157955yui_3_16_0_ym18_1_1458658465670_2557">Scott, did you notice if your hatch hinge has play?</div></div></div><div style="margin-top:2.5em;margin-bottom:1em;border-bottom:1px solid #000;"></div><pre class="yiv4061157955k9mail"></pre><hr><br clear="none">Personal_Submersibles mailing list<br clear="none">Personal_Submersibles@psubs.org<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"></blockquote></div></div></div><br clear="none"><div class="yiv4061157955yqt7690350165" id="yiv4061157955yqt20336">_______________________________________________<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"></div><br clear="none"><br clear="none"></div></div> </div> </div> </div></div></body></html>