<html><head></head><body><p dir="ltr">I was referring to Cliff's suggestion that you fabricate steel pressure vessels as permanent buoyancy, as opposed to using foam at all.</p>
<p dir="ltr">Sean<br>
</p>
<br><br><div class="gmail_quote">On November 16, 2015 5:56:58 PM MST, hank pronk via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<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_1_1447721717578_3220"><span>Yes, trawl floats as Macro spheres.</span></div><div id="yui_3_16_0_1_1447721717578_3220"><span>Hank</span></div> <br /><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 Monday, November 16, 2015 5:36 PM, Sean T. Stevenson via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br /> </font> </div> <br /><br /> <div class="y_msg_container"><div id="yiv1362180924"><div><div dir="ltr">He might have been on to something wrt fabricating buoyancy
vessels.</div>
<div dir="ltr">Sean<br clear="none" />
</div>
<br clear="none" /><br clear="none" /><div class="yiv1362180924gmail_quote">On November 16, 2015 5:19:13 PM MST, hank pronk via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<blockquote class="yiv1362180924gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204, 204, 204);padding-left:1ex;">
<div class="yiv1362180924yqt2337449559" id="yiv1362180924yqt95978"><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;"><div id="yiv1362180924yui_3_16_0_1_1447719371646_2891"><span id="yiv1362180924yui_3_16_0_1_1447719371646_2892">Just had a look at Cliff's PDF on Syntactic foam. Wow very nice! and there is a cost breakdown I see. It is much cheaper than buying but still twice the cost of trawl floats. </span></div><div id="yiv1362180924yui_3_16_0_1_1447719371646_2891"><span>Hank</span></div> <br clear="none" /><div class="yiv1362180924qtdSeparateBR"><br clear="none" /><br clear="none" /></div><div class="yiv1362180924yahoo_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 Monday, November 16, 2015 5:05 PM, hank pronk via Personal_Submersibles
<personal_submersibles@psubs.org> wrote:<br clear="none" /> </font> </div> <br clear="none" /><br clear="none" /> <div class="yiv1362180924y_msg_container"><div id="yiv1362180924"><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;"><div id="yiv1362180924yui_3_16_0_1_1447718470378_2759"><span>Alan,</span></div><div id="yiv1362180924yui_3_16_0_1_1447718470378_2759"><span id="yiv1362180924yui_3_16_0_1_1447718470378_2760">Yes I could save a few bucks and look good at the same time :-) I doubt I could make foam for less than trawl floats but maybe Cliff has a cost per lb buoyancy. There is syntactic foam available that you mix together into your own mould also. I am also still woking on the titanium spheres. I have time to sort it out.</span></div><div id="yiv1362180924yui_3_16_0_1_1447718470378_2759"><span>Hank</span></div> <br clear="none" /><div
class="yiv1362180924qtdSeparateBR"><br /><br clear="none" /></div><div class="yiv1362180924yahoo_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 class="yiv1362180924yqt9822389816" id="yiv1362180924yqt74768"><div dir="ltr"> <font size="2" face="Arial"> On Monday, November 16, 2015 5:01 PM, Alan James via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br clear="none" /> </font> </div> <br clear="none" /><br clear="none" /> <div class="yiv1362180924y_msg_container"><div id="yiv1362180924"><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"><div id="yiv1362180924yui_3_16_0_1_1447717195717_4481"><span>Hank,</span></div><div
id="yiv1362180924yui_3_16_0_1_1447717195717_4482"><span id="yiv1362180924yui_3_16_0_1_1447717195717_4483">you could go on a diet :)</span></div><div id="yiv1362180924yui_3_16_0_1_1447717195717_4485"><span id="yiv1362180924yui_3_16_0_1_1447717195717_4484">There is this pdf on making syntactic foam by Cliff</span></div><div dir="ltr" id="yiv1362180924yui_3_16_0_1_1447717195717_4486"><span id="yiv1362180924yui_3_16_0_1_1447717195717_4494"><a rel="nofollow" shape="rect" id="yiv1362180924yui_3_16_0_1_1447717195717_4492" target="_blank" href="http://www.psubs.org/design/PDF/SyntacticFoam.pdf">http://www.psubs.org/design/PDF/SyntacticFoam.pdf</a><br clear="none" /></span></div><div dir="ltr" id="yiv1362180924yui_3_16_0_1_1447717195717_4486">I went to Alvins 50th Birthday party in New Orleans.</div><div dir="ltr" id="yiv1362180924yui_3_16_0_1_1447717195717_4486">They said the syntactic foam on it cost $3million. </div><div dir="ltr"
id="yiv1362180924yui_3_16_0_1_1447717195717_4486">That included all the pressure testing</div><div id="yiv1362180924yui_3_16_0_1_1447717195717_4486">of the individual segments.</div>Alan<br clear="none" /> <div id="yiv1362180924yui_3_16_0_1_1447717195717_4491" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div id="yiv1362180924yui_3_16_0_1_1447717195717_4490" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div class="yiv1362180924yqt7705397220" id="yiv1362180924yqt64016"><div dir="ltr" id="yiv1362180924yui_3_16_0_1_1447717195717_4489"> <hr id="yiv1362180924yui_3_16_0_1_1447717195717_4496" size="1" /> <font id="yiv1362180924yui_3_16_0_1_1447717195717_4488" size="2" face="Arial"> <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 General Discussion
<personal_submersibles@psubs.org> <br clear="none" /> <b><span style="font-weight:bold;">Sent:</span></b> Tuesday, November 17, 2015 12:39 PM<br clear="none" /> <b><span style="font-weight:bold;">Subject:</span></b> [PSUBS-MAILIST] syntactic foam<br clear="none" /> </font> </div> <div class="yiv1362180924y_msg_container" id="yiv1362180924yui_3_16_0_1_1447717195717_4599"><br clear="none" /><div id="yiv1362180924"><div id="yiv1362180924yui_3_16_0_1_1447717195717_4616"><div id="yiv1362180924yui_3_16_0_1_1447717195717_4615" style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;"><div id="yiv1362180924yui_3_16_0_1_1447716988636_2399">Yikes! syntactic foam is costly. Syntactic foam for 1,000M is 8 dollars per pound buoyancy- trawl floats are 3 dollars per lb buoyancy. I need almost 1,000 lbs buoyancy.</div><div
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