<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_ym19_1_1461883649540_3030"><span>Hugh,</span></div><div id="yui_3_16_0_ym19_1_1461883649540_3010" dir="ltr"><span id="yui_3_16_0_ym19_1_1461883649540_3009">went & talked with a welding specialist this morning who seemed to think</span></div><div id="yui_3_16_0_ym19_1_1461883649540_2984" dir="ltr"><span id="yui_3_16_0_ym19_1_1461883649540_2983">the plug idea would be good. His only reservations were whether I could</span></div><div id="yui_3_16_0_ym19_1_1461883649540_2986" dir="ltr"><span id="yui_3_16_0_ym19_1_1461883649540_2985">get the plug out afterward. I said it would be designed to be able to be</span></div><div id="yui_3_16_0_ym19_1_1461883649540_2987" dir="ltr"><span>pressed out.</span></div><div id="yui_3_16_0_ym19_1_1461883649540_3008" dir="ltr"><span id="yui_3_16_0_ym19_1_1461883649540_3007">The bearing seat is some distance from the welding & has a thick section</span></div><div id="yui_3_16_0_ym19_1_1461883649540_3014" dir="ltr"><span id="yui_3_16_0_ym19_1_1461883649540_3013">of aluminum between. See attachment (not dimensionally correct).</span></div><div id="yui_3_16_0_ym19_1_1461883649540_3031" dir="ltr"><span id="yui_3_16_0_ym19_1_1461883649540_3047">The plug should stop the tube section from distorting, shouldn't it.</span></div><div id="yui_3_16_0_ym19_1_1461883649540_3058" dir="ltr"><span id="yui_3_16_0_ym19_1_1461883649540_3059">I have 6 of these to make initially & it will be a lot less work if I can weld.</span></div><div id="yui_3_16_0_ym19_1_1461883649540_3172" dir="ltr"><span id="yui_3_16_0_ym19_1_1461883649540_3182">I need to go with the steel plug as an aluminum plug could get damaged</span></div><div id="yui_3_16_0_ym19_1_1461883649540_3198" dir="ltr"><span>in the pressing process.</span></div><div id="yui_3_16_0_ym19_1_1461883649540_3085" dir="ltr"><span id="yui_3_16_0_ym19_1_1461883649540_3084">Am I convincing you or does this still get the thumbs down?</span></div><div id="yui_3_16_0_ym19_1_1461883649540_3157" dir="ltr"><span>Cheers Alan</span></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1461883649540_2922"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_ym19_1_1461883649540_2947" style="display: block;"> <div id="yui_3_16_0_ym19_1_1461883649540_2946" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_ym19_1_1461883649540_2945" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_ym19_1_1461883649540_2944" dir="ltr"> <font id="yui_3_16_0_ym19_1_1461883649540_2948" face="Arial" size="2"> <hr size="1" id="yui_3_16_0_ym19_1_1461883649540_3046"> <b id="yui_3_16_0_ym19_1_1461883649540_3012"><span id="yui_3_16_0_ym19_1_1461883649540_3011" style="font-weight: bold;">From:</span></b> Hugh Fulton via Personal_Submersibles <personal_submersibles@psubs.org><br> <b><span style="font-weight: bold;">To:</span></b> 'Personal Submersibles General Discussion' <personal_submersibles@psubs.org> <br> <b><span style="font-weight: bold;">Sent:</span></b> Friday, April 29, 2016 8:55 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [PSUBS-MAILIST] Welding<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_ym19_1_1461883649540_3086"><br>Alan,<br clear="none">Stay away from welding or completely re-machine as Hank says otherwise you<br clear="none">will havev concentricity issues with the bearings etc.<br clear="none">Besides Aluminium will be a better heat sink than a steel insert. Hugh <div class="yqt8968260076" id="yqtfd27368"><br clear="none"><br clear="none"><br clear="none">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a id="yui_3_16_0_ym19_1_1461883649540_3136" href="mailto:Personal_Submersibles@psubs.org" shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"><a id="yui_3_16_0_ym19_1_1461883649540_3137" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank" shape="rect">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"></div><br><br></div> </div> </div> </div></div></body></html>