<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:14pt"><div><span>Looks good Hank,</span></div><div style="color: rgb(0, 0, 0); font-size: 18.88888931274414px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span>has only 0.01 shrinkage. So if shrinkage were an issue it may be an option.</span></div><div style="color: rgb(0, 0, 0); font-size: 18.88888931274414px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span>You could probably mix glass fiber with it to strengthen it.</span></div><div style="color: rgb(0, 0, 0); font-size: 18.88888931274414px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;
background-color: transparent; font-style: normal;"><span>Here is an epoxy product that is not quite half the price & has the fiber mixed in it.</span></div><div style="color: rgb(0, 0, 0); font-size: 18.88888931274414px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><a href="http://www.ebay.com/itm/EPOXY-RESIN-VERY-HARD-CASTING-RESIN-LIQUID-FIBERGLASS-/310112944078?pt=LH_DefaultDomain_0&hash=item48342bffce">http://www.ebay.com/itm/EPOXY-RESIN-VERY-HARD-CASTING-RESIN-LIQUID-FIBERGLASS-/310112944078?pt=LH_DefaultDomain_0&hash=item48342bffce</a><br></div><div style="color: rgb(0, 0, 0); font-size: 18.88888931274414px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;">It is a gel like consistency so may not suit every application. Has 0.1
shrinkage.</div><div style="color: rgb(0, 0, 0); font-size: 18.88888931274414px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;">Again if I just use the resin + glass fiber, I can mix to my desired consistency.</div><div style="color: rgb(0, 0, 0); font-size: 18.88888931274414px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;">Another thought that came to mind was to pour a mold release in to the printed shell</div><div style="color: rgb(0, 0, 0); font-size: 18.88888931274414px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;">& drain it out so as to leave a film on the inside. Then pour in the resin & peel off the</div><div style="color: rgb(0, 0, 0);
font-size: 18.88888931274414px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;">printed outside when set. This would leave a fiberglass product that could be attached with </div><div style="color: rgb(0, 0, 0); font-size: 18.88888931274414px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;">epoxy to other structures.</div><div style="color: rgb(0, 0, 0); font-size: 18.88888931274414px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;">Alan</div><div><br></div> <div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 14pt;"> <div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida
Grande', sans-serif; font-size: 12pt;"> <div dir="ltr"> <hr size="1"> <font size="2" face="Arial"> <b><span style="font-weight:bold;">From:</span></b> hank pronk <hanker_20032000@yahoo.ca><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> <br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [PSUBS-MAILIST] Printed Kort Nozzle<br> </font> </div> <div class="y_msg_container"><br><div id="yiv3276349857"><div><div style="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"><div><span>Alan,</span></div><div><span>look at liquid plastic on e bay. It is cheap and there is one brand that cures at 180 degrees f. This is polyurethane casting resin. Nice stuff but maybe
not for kort nozzles. </span></div><div><span>Hank </span></div><div class="yiv3276349857yahoo_quoted" style="display: block;"> <br clear="none"> <br clear="none"> <div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"> <div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"> <div class="yiv3276349857yqt9347659214" id="yiv3276349857yqt74733"><div dir="ltr"> <font face="Arial" size="2"> On Monday, November 11, 2013 6:03:27 PM, Alan <alanlindsayjames@yahoo.com> wrote:<br clear="none"> </font> </div> <div class="yiv3276349857y_msg_container"><div id="yiv3276349857"><div><div>Hi Hank,</div><div>I'm not familiar with liquid plastic.</div><div>I use the West systems epoxy, where you have your epoxy & hardener & throw</div><div>In the other additives that give it various properties, like
hardness. </div><div>The glass fibre will give it a lot of structural strength & I can mix it in as thick or</div><div>as thin as I want depending on the section thickness / complexity of the form I want to fill.</div><div>Also price wise, mixing seems a lot cheaper than off the shelf pre-mixed items.</div><div>Alan<br clear="none"><br clear="none">Sent from my iPad</div><div class="yiv3276349857yqt8034889154" id="yiv3276349857yqt85216"><div><br clear="none">On 12/11/2013, at 1:30 PM, hank pronk <<a rel="nofollow" shape="rect" ymailto="mailto:hanker_20032000@yahoo.ca" target="_blank" href="mailto:hanker_20032000@yahoo.ca">hanker_20032000@yahoo.ca</a>> wrote:<br clear="none"><br clear="none"></div><blockquote type="cite"><div><div style="color: rgb(0, 0, 0); font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt; background-color: rgb(255, 255,
255);"><div><span>Alan,</span></div><div><span>this may be a dumb question,,, why not use liquid plastic. The stuff I use is strong and shrinks almost nothing. It also does not generate heat when curing. This stuff is the harness of a hockey puck.</span></div><div><span>Hank</span></div><div class="yiv3276349857yahoo_quoted" style="display:block;"> <br clear="none"> <br clear="none"> <div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"> <div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"> <div dir="ltr"> <font face="Arial" size="2"> On Monday, November 11, 2013 5:26:33 PM, Alan James
<<a rel="nofollow" shape="rect" ymailto="mailto:alanlindsayjames@yahoo.com" target="_blank" href="mailto:alanlindsayjames@yahoo.com">alanlindsayjames@yahoo.com</a>> wrote:<br clear="none"> </font> </div> <div class="yiv3276349857y_msg_container"><div id="yiv3276349857"><div><div style="color: rgb(0, 0, 0); font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 14pt; background-color: rgb(255, 255, 255);"><div>To interested parties,</div><div>I spoke with a 3d printing expert, Richard, regarding filling hollow sections of 3d printed items with</div><div>fiber reinforced resin. He hadn't heard of it, but thought it had a lot of potential.</div><div>He suggested watching out for heat generated in the exothermic reaction, as we had already</div><div>discussed, and printing a roughened interior surface as a key <span style="font-size:14pt;">for the epoxy, to stop the exterior </span></div><div
style="color:rgb(0, 0, 0);font-family:HelveticaNeue,;"><span style="font-size:14pt;">delaminating.</span></div><div>I also
spoke to an epoxy tech who told me epoxy
only shrinks about 1/2% & with additives such as</div><div>milled fiber the percentile shrinkage of the whole will decrease proportionate to the additive.</div><div>So shrinkage may not be a major problem.</div><div>Will do some experimenting.</div><div>Alan</div><div><br clear="none"></div><div><br clear="none"></div><div><br clear="none"></div><div><br clear="none"></div></div></div></div><br clear="none">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a rel="nofollow" shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" target="_blank" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"><br clear="none"><br clear="none"></div>
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