<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="yui_3_16_0_ym19_1_1473385982696_3522"><span>Alan,</span></div><div id="yui_3_16_0_ym19_1_1473385982696_3522"><span>Sounds about right. Brilliant really.</span></div><div id="yui_3_16_0_ym19_1_1473385982696_3522"><span>Hank</span></div> <div class="qtdSeparateBR"><br><br></div><div class="yahoo_quoted" style="display: block;"> <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 dir="ltr"><font size="2" face="Arial"> On Thursday, September 8, 2016 7:26 PM, Alan James via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br></font></div> <br><br> <div class="y_msg_container"><div id="yiv3050787578"><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"><div id="yiv3050787578yui_3_16_0_ym19_1_1473382334845_4501"><span>Hank, </span></div><div id="yiv3050787578yui_3_16_0_ym19_1_1473382334845_4504"><span id="yiv3050787578yui_3_16_0_ym19_1_1473382334845_4503">I wonder if that's what they do on the Deep Flight submersibles.</span></div><div dir="ltr" id="yiv3050787578yui_3_16_0_ym19_1_1473382334845_4506"><span id="yiv3050787578yui_3_16_0_ym19_1_1473382334845_4505">On their specs they say...• Urethane spring balanced access hatch with overpressure relief.</span></div><div dir="ltr" id="yiv3050787578yui_3_16_0_ym19_1_1473382334845_4597"><span>Alan</span></div><div dir="ltr" id="yiv3050787578yui_3_16_0_ym19_1_1473382334845_4540"><span id="yiv3050787578yui_3_16_0_ym19_1_1473382334845_4554"><img id="yiv3050787578yui_3_16_0_ym19_1_1473382334845_4552" src="http://www.deepflight.com/wp-content/uploads/2015/06/pressurehull-e1433620574483.jpg"></span></div><div class="yiv3050787578qtdSeparateBR" id="yiv3050787578yui_3_16_0_ym19_1_1473382334845_4492"><br clear="none"><br clear="none"></div><div class="yiv3050787578yahoo_quoted" id="yiv3050787578yui_3_16_0_ym19_1_1473382334845_4531" style="display:block;"> <div id="yiv3050787578yui_3_16_0_ym19_1_1473382334845_4530" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div id="yiv3050787578yui_3_16_0_ym19_1_1473382334845_4529" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div class="yiv3050787578yqt2944643813" id="yiv3050787578yqt45122"><div dir="ltr" id="yiv3050787578yui_3_16_0_ym19_1_1473382334845_4533"> <font id="yiv3050787578yui_3_16_0_ym19_1_1473382334845_4532" face="Arial" size="2"> </font><hr id="yiv3050787578yui_3_16_0_ym19_1_1473382334845_4538" size="1"> <b><span style="font-weight:bold;">From:</span></b> hank pronk via Personal_Submersibles <personal_submersibles@psubs.org><br clear="none"> <b><span style="font-weight:bold;">To:</span></b> "personal_submersibles@psubs.org" <personal_submersibles@psubs.org> <br clear="none"> <b><span style="font-weight:bold;">Sent:</span></b> Friday, September 9, 2016 12:12 PM<br clear="none"> <b><span style="font-weight:bold;">Subject:</span></b> [PSUBS-MAILIST] Op valve<br clear="none"> </div> <div class="yiv3050787578y_msg_container" id="yiv3050787578yui_3_16_0_ym19_1_1473382334845_4528"><br clear="none"><div id="yiv3050787578"><div><div style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;background-color:rgb(255, 255, 255);"><div id="yiv3050787578yui_3_16_0_ym19_1_1473379831696_2913">I have been reading the Mantis submersible spec sheet, and the aft entry dome is also the Op valve. The dome is spring loaded to allow it to open a wee bit in the event of an OP. Cool!</div><div id="yiv3050787578yui_3_16_0_ym19_1_1473379831696_2913">Hank</div></div></div></div><br clear="none">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a rel="nofollow" shape="rect" id="yiv3050787578yui_3_16_0_ym19_1_1473382334845_4527" 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><br><div class="yqt2944643813" id="yqt12611">_______________________________________________<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><br><br></div> </div> </div> </div></div></body></html>