<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div dir="ltr" id="yui_3_16_0_1_1428869585438_3179"><span>Hank,</span></div><div dir="ltr" id="yui_3_16_0_1_1428869585438_3181"><span id="yui_3_16_0_1_1428869585438_3180">you might want to look at this stuff,</span></div><div dir="ltr" id="yui_3_16_0_1_1428869585438_3182"><span id="yui_3_16_0_1_1428869585438_3192"><a href="http://fulcrumcomposites.com/literature/DataSheetTubes.pdf" id="yui_3_16_0_1_1428869585438_3191">http://fulcrumcomposites.com/literature/DataSheetTubes.pdf</a><br></span></div><div dir="ltr" id="yui_3_16_0_1_1428869585438_3182">Thermoplastic composites. That is, normal re-meltable plastic</div><div dir="ltr" id="yui_3_16_0_1_1428869585438_3182">with fibers in it, as apposed to thermosetting composites (normal fiberglass)</div><div dir="ltr" id="yui_3_16_0_1_1428869585438_3182">Is a lot stronger than just plastic. Haven't done my homework on price &</div><div dir="ltr" id="yui_3_16_0_1_1428869585438_3182">machineability.</div><div dir="ltr" id="yui_3_16_0_1_1428869585438_3182">Alan</div><br> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1428869585438_3185"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1428869585438_3184"> <div dir="ltr" id="yui_3_16_0_1_1428869585438_3183"> <hr size="1" id="yui_3_16_0_1_1428869585438_3488"> <font size="2" face="Arial" id="yui_3_16_0_1_1428869585438_3186"> <b><span style="font-weight:bold;">From:</span></b> hank pronk 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> Monday, April 13, 2015 6:45 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [PSUBS-MAILIST] printing<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_1_1428869585438_4483"><br><br clear="none">Alan,<br clear="none">That is a good option, but it adds a step. I like the idea of machining out of a lump of plastic. This is a real opportunity to get creative. I like it!<br clear="none">Hank <br clear="none">--------------------------------------------<br clear="none">On Sun, 4/12/15, Alan James via Personal_Submersibles <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br clear="none"><br clear="none"> Subject: Re: [PSUBS-MAILIST] printing<br clear="none"> To: "Personal Submersibles General Discussion" <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none"> Received: Sunday, April 12, 2015, 2:34 PM<br clear="none"> <br clear="none"> Hank,what<br clear="none"> about adding syntactic foam to counter the<br clear="none"> weightor<br clear="none"> make the members out of fiberglass if you really want<br clear="none"> togo that<br clear="none"> way. Concur with Alec about printing. Have a<br clear="none"> friendwith a 3D<br clear="none"> printing business & he has been very<br clear="none"> negativeabout<br clear="none"> printing larger objects.His advice was it was much<br clear="none"> easier&<br clear="none"> reliable to CNC it out of a lump of plastic.Alan<br clear="none"> <br clear="none"> <br clear="none"> From: hank pronk via<br clear="none"> Personal_Submersibles<br clear="none"> <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none"> <br clear="none"> To: Personal<br clear="none"> Submersibles General Discussion<br clear="none"> <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> <br clear="none"> <br clear="none"> Sent: Monday,<br clear="none"> April 13, 2015 6:20 AM<br clear="none"> Subject: Re:<br clear="none"> [PSUBS-MAILIST] printing<br clear="none"> <br clear="none"> <br clear="none"> <br clear="none"> Alec,<br clear="none"> Thanks' for putting that to bed. Perhaps<br clear="none"> machining parts from blocks of plastic. I have some<br clear="none"> experience machining plastic and it was a treat. Deep Rover<br clear="none"> has ABS pipe members with ss liners, the member is the<br clear="none"> cylinder, sweet.<br clear="none"> Hank<br clear="none"> --------------------------------------------<br clear="none"> On Sun, 4/12/15, Alec Smyth via<br clear="none"> Personal_Submersibles <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none"> wrote:<br clear="none"> <br clear="none"> Subject: Re:<br clear="none"> [PSUBS-MAILIST] printing<br clear="none"> To: "Personal<br clear="none"> Submersibles General Discussion" <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none"> Received: Sunday, April 12, 2015, 1:46 PM<br clear="none"> <br clear="none"> Hi<br clear="none"> Hank,<br clear="none"> Generally speaking you<br clear="none"> are<br clear="none"> limited to relatively small pieces and they take a long<br clear="none"> time. It is of course not impossible, but most<br clear="none"> likely not<br clear="none"> the most efficient approach, at<br clear="none"> any rate with small printers<br clear="none"> like<br clear="none"> mine. <br clear="none"> Best,<br clear="none"> <br clear="none"> Alec<br clear="none"> On Sun, Apr 12, 2015<br clear="none"> at<br clear="none"> 1:32 PM, hank pronk via<br clear="none"> Personal_Submersibles <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none"> wrote:<br clear="none"> Gamma<br clear="none"> <br clear="none"> will need two new opposing manipulators. I am wondering<br clear="none"> if<br clear="none"> it is possible to print the arm<br clear="none"> members. Is it<br clear="none"> practical? I am trying<br clear="none"> to create an almost weightless arm<br clear="none"> set<br clear="none"> up.<br clear="none"> <br clear="none"> Hank<br clear="none"> <br clear="none"> <br clear="none"> <br clear="none"> _______________________________________________<br clear="none"> <br clear="none"> Personal_Submersibles<br clear="none"> mailing list<br clear="none"> <br clear="none"> <a shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"> <br clear="none"> <a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"> <br clear="none"> <br clear="none"> <br clear="none"> -----Inline Attachment Follows-----<br clear="none"> <br clear="none"> <br clear="none"> <br clear="none"> <br clear="none"> _______________________________________________<br clear="none"> Personal_Submersibles mailing list<br clear="none"> <a shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"> <a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><div class="qtdSeparateBR"><br><br></div><div class="yqt9234072933" id="yqtfd34663"><br clear="none"> <br clear="none"> <br clear="none"> _______________________________________________<br clear="none"> Personal_Submersibles mailing list<br clear="none"> <a shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"> <a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"> <br clear="none"> <br clear="none"> <br clear="none"> -----Inline Attachment Follows-----<br clear="none"> <br clear="none"> _______________________________________________<br clear="none"> Personal_Submersibles mailing list<br clear="none"> <a shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"> <a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"> <br clear="none"><br clear="none">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"><a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></div><br><br></div> </div> </div> </div></body></html>