<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:16px"><div id="yui_3_16_0_1_1431349162499_4220"><span>James,</span></div><div id="yui_3_16_0_1_1431349162499_4220"><span><br></span></div><div id="yui_3_16_0_1_1431349162499_4220" dir="ltr"><span id="yui_3_16_0_1_1431349162499_5161">No, not the total height of the tank head. The "skirt" is the part of the tank head that DOES NOT contribute to the elliptical geometry. It is spherical and an attachment point for the tank head. Most tank heads in the US have a two inch skirt but you can specify shorter or longer. See attached images...the skirt is the red in second image.</span></div><div id="yui_3_16_0_1_1431349162499_4220" dir="ltr"><span><br></span></div><div id="yui_3_16_0_1_1431349162499_4220" dir="ltr"><span>Jon</span></div><div id="yui_3_16_0_1_1431349162499_4220" dir="ltr"><span><br></span></div> <br><div class="qtdSeparateBR" id="yui_3_16_0_1_1431349162499_4255"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_1_1431349162499_4252" style="display: block;"> <div style="font-family: times new roman, new york, times, serif; font-size: 16px;" id="yui_3_16_0_1_1431349162499_4251"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1431349162499_4250"> <div dir="ltr" id="yui_3_16_0_1_1431349162499_4254"> <font size="2" face="Arial" id="yui_3_16_0_1_1431349162499_4253"> On Monday, May 11, 2015 6:15 AM, James Frankland via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br> </font> </div> <br><br> <div class="y_msg_container" id="yui_3_16_0_1_1431349162499_4249"><div id="yiv7454310045"><div dir="ltr" id="yui_3_16_0_1_1431349162499_4248"><div id="yui_3_16_0_1_1431349162499_4247">Hi All,</div><div id="yui_3_16_0_1_1431349162499_10438">Can someone please clarify something for me on the psubs 2:1 tank volume calculator.</div><div id="yui_3_16_0_1_1431349162499_10439"> </div><div id="yui_3_16_0_1_1431349162499_10440">"Length of Skirt". Is this the total height, ie from the centre to the edge of the tank head? Or from the edge to the corner\knuckle radius? </div><div id="yui_3_16_0_1_1431349162499_10441"> </div><div id="yui_3_16_0_1_1431349162499_11297">My tank heads are these ones. </div><div id="yui_3_16_0_1_1431349162499_5353"> </div><div id="yui_3_16_0_1_1431349162499_5352"><a rel="nofollow" target="_blank" href="http://www.purdie.co.uk/products/2-1_semi_ellipsidal.php" id="yui_3_16_0_1_1431349162499_5351">http://www.purdie.co.uk/products/2-1_semi_ellipsidal.php</a></div><div id="yui_3_16_0_1_1431349162499_11298"> </div><div id="yui_3_16_0_1_1431349162499_11299">Many thanks</div><div id="yui_3_16_0_1_1431349162499_11300">James</div></div></div><br>_______________________________________________<br>Personal_Submersibles mailing list<br><a ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org" id="yui_3_16_0_1_1431349162499_11301">Personal_Submersibles@psubs.org</a><br><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank" id="yui_3_16_0_1_1431349162499_11302">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br><br><br></div> </div> </div> </div></div></body></html>