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</o:shapelayout></xml><![endif]--></head><body lang=NL link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>mmm.. should test that.  They are made from stiff (reinforced?) plastic and meant to use in deep water.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Br, Emile<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Van:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Personal_Submersibles [mailto:personal_submersibles-bounces@psubs.org] <b>Namens </b>Brian Cox via Personal_Submersibles<br><b>Verzonden:</b> maandag 19 juni 2017 16:45<br><b>Aan:</b> Personal Submersibles General Discussion<br><b>Onderwerp:</b> Re: [PSUBS-MAILIST] alternative syntactic foam<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Don't the Trawler floats just shrink as they go down?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Brian<br><br>--- <a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a> wrote:<br><br>From: hank pronk via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br>To: Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br>Subject: Re: [PSUBS-MAILIST] alternative syntactic foam<br>Date: Mon, 19 Jun 2017 11:50:35 +0000 (UTC)<o:p></o:p></span></p></div><div><div><p class=MsoNormal style='background:white'><span style='font-size:8.0pt;font-family:"Helvetica","sans-serif";color:black'>Hi Emile,<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.0pt;font-family:"Helvetica","sans-serif";color:black'>I have 30 trawl floats on Elementary now, the problem is they do not have the safety margin.  The floats are inside the MBT. <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.0pt;font-family:"Helvetica","sans-serif";color:black'>Hank<o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span style='font-size:8.0pt;font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p></div><div><div><div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>On Monday, June 19, 2017 5:42 AM, emile via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:</span><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p><div><div><div><div><div><p class=MsoNormal style='background:white'><span lang=EN-US style='font-size:11.0pt;font-family:"Helvetica","sans-serif";color:black'>Hi Hank, all</span><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-US style='font-size:11.0pt;font-family:"Helvetica","sans-serif";color:black'> </span><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-US style='font-size:11.0pt;font-family:"Helvetica","sans-serif";color:black'>No foam but a spherical trawlerfloat can be a alternative float.</span><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-US style='font-size:11.0pt;font-family:"Helvetica","sans-serif";color:black'>Not expensive and some can go to 1000 m /3000 ft. !</span><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-US style='font-size:11.0pt;font-family:"Helvetica","sans-serif";color:black'> </span><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-US style='font-size:11.0pt;font-family:"Helvetica","sans-serif";color:black'>Br, Emile</span><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-US style='font-size:11.0pt;font-family:"Helvetica","sans-serif";color:black'> </span><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div><div><div style='border:none;border-top:solid windowtext 1.0pt;padding:3.0pt 0cm 0cm 0cm;border-color:currentColor currentColor'><div><p class=MsoNormal style='background:white'><b><span style='font-size:10.0pt;font-family:"Helvetica","sans-serif";color:black'>Van:</span></b><span style='font-size:10.0pt;font-family:"Helvetica","sans-serif";color:black'> Personal_Submersibles [<a href="mailto:personal_submersibles-bounces@psubs.org">mailto:personal_submersibles-bounces@psubs.org</a>] <b>Namens </b>hank pronk via Personal_Submersibles<br><b>Verzonden:</b> maandag 19 juni 2017 2:19<br><b>Aan:</b> Personal Submersibles General Discussion<br><b>Onderwerp:</b> [PSUBS-MAILIST] alternative syntactic foam</span><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div></div></div><div><p class=MsoNormal style='background:white'><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:black'> <o:p></o:p></span></p></div><div><div><div><p class=MsoNormal style='background:white'><span style='font-size:8.0pt;font-family:"Helvetica","sans-serif";color:black'>Hi All,</span><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div></div><div><div><p class=MsoNormal style='background:white'><span style='font-size:8.0pt;font-family:"Helvetica","sans-serif";color:black'>Just been thinking  about low cost ways to make foam.  I am sure at the end of the day, I will make my foam the standard way, but it is still an interesting subject to explore.  I have learned that microspheres are added to many things, even concrete.  That got me thinking, if the compressive strength is there, the best product to reinforce the spheres should be the lightest possible material.  Polypropylene is very light and has a compressive strength of 6,000 psi.  The fun part about Polypropylene is, it can be recycled from bottle lids etc.  I don't think it would take to much imagination to build an oven with a mixer inside and a microsphere injection port.  Polypropylene has a specific gravity in the neighbourhood of .7g\cc that means a light weight foam can be made with microspheres and no macro spheres.    I don't know about the water absorption properties yet.</span><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div></div><div><div><p class=MsoNormal style='background:white'><span style='font-size:8.0pt;font-family:"Helvetica","sans-serif";color:black'>Hank</span><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div></div></div></div></div></div></div><div><p class=MsoNormal style='background:white'><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:black'>_______________________________________________<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">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><o:p></o:p></span></p></div><p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p></div></div></div></div></div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>_______________________________________________ Personal_Submersibles mailing list <a href="/eonapps/ft/wm/page/compose?send_to=Personal_Submersibles%40psubs.org">Personal_Submersibles@psubs.org</a> <a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a> <o:p></o:p></span></p></div></div></body></html>