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</o:shapelayout></xml><![endif]--></head><body lang=EN-NZ link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Hank,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I have that cylinder right outside and I was going to chop off one end and use a flat plate 80mm thick against a welded O’ring flange with a couple of fillet welds. One outside and one inside. The ASME welder was only going to charge me $120 for the weld using SP rods.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Only problem is that The guy that I wanted to rent it to is wanting it all Kosher approved which I cant do with the CNG cylinder. I like your idea but the rods would need to be 4140 or such and could cost a bit by the time they are all machined up as my calc was about 20 rods 1” diameter approx.. But like everything you start on a project and the goal posts keep moving. I like the no welding approach though. Trust you to come up with that one.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks for the ideas. Hugh<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Personal_Submersibles [mailto:personal_submersibles-bounces@psubs.org] <b>On Behalf Of </b>hank pronk via Personal_Submersibles<br><b>Sent:</b> Wednesday, 11 July 2018 10:57 AM<br><b>To:</b> Hugh Fulton via Personal_Submersibles<br><b>Subject:</b> Re: [PSUBS-MAILIST] Wanted: Aluminum I-beam<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica Neue"'>Hugh,<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica Neue"'>If I were building a low cost chamber of that size, I would take a type 1 CNG steel tank that is 12 in dia and cut one end off. I would cut the tank to required length and machine the end that is cut and machine the head end as well. Then I would machine a ring that both ends fit into with an o-ring. <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica Neue"'>I would make two rings that go over the heads but won't slide over. I would drill those rings for stay bolts to holt it together. No welding required.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica Neue"'>Should be under 1,000 dollars to build. <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica Neue"'>Just a thought.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica Neue"'>Hank<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica Neue"'><o:p> </o:p></span></p></div></div><div id="yahoo_quoted_2019251257"><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A'>On Tuesday, July 10, 2018, 4:02:33 PM MDT, Hugh Fulton via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote: <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A'><o:p> </o:p></span></p></div><div><div id=yiv6984105990><div><div><p class=yiv6984105990msonormal><span style='font-size:11.0pt;font-family:"Helvetica Neue";color:#26282A'> </span><span style='font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A'><o:p></o:p></span></p><div><div id="yiv6984105990yui_3_16_0_ym19_1_1531186395801_78581"><p class=yiv6984105990msonormal style='background:white'><span style='font-size:10.0pt;font-family:"Helvetica Neue";color:#1F497D'>Hi All, Need some input. Pressure test rigs.</span><span style='font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A'><o:p></o:p></span></p><p class=yiv6984105990msonormal style='background:white'><span style='font-size:11.0pt;font-family:"Helvetica Neue";color:#26282A'>Looking for ideas for a 1000 meter depth test vessel for ROV’s.</span><span style='font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A'><o:p></o:p></span></p><p class=yiv6984105990msonormal style='background:white'><span style='font-size:11.0pt;font-family:"Helvetica Neue";color:#26282A'>I have done a basic design using 12” Sched 120 but by the time it is design approved etc it is getting up to USD $5,000 plus.</span><span style='font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A'><o:p></o:p></span></p><p class=yiv6984105990msonormal style='background:white'><span style='font-size:11.0pt;font-family:"Helvetica Neue";color:#26282A'>Initial design was for a quick release 8 lug twist lock. As I looked at using Flanges and bolts but the weight gets a bit horiffic with the flange studs and nuts coming to over $600 without the cost of the flanges.</span><span style='font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A'><o:p></o:p></span></p><p class=yiv6984105990msonormal style='background:white'><span style='font-size:11.0pt;font-family:"Helvetica Neue";color:#26282A'>A 24 inch test vessel would be better but 12 inch would suffice for now. The concept drawing is as below. Cheers, Hugh</span><span style='font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A'><o:p></o:p></span></p><div id=yiv6984105990yqtfd64531><p class=yiv6984105990msonormal style='background:white'><span style='font-size:11.0pt;font-family:"Helvetica Neue";color:#26282A'> </span><span style='font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A'><o:p></o:p></span></p><p class=yiv6984105990msonormal style='background:white'><span style='font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A'><img border=0 width=168 height=218 id="yiv6984105990Picture_x0020_1" src="cid:image001.jpg@01D4190D.AE679440"><o:p></o:p></span></p></div></div></div></div></div></div><div id=yqtfd14721><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A'>_______________________________________________<br>Personal_Submersibles mailing list<br><a href="mailto:Personal_Submersibles@psubs.org">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><o:p></o:p></span></p></div></div></div></div></div></div></body></html>