<DIV style="font-family:Arial, sans-serif; font-size:10pt;"><DIV>Hank, What is the application for the gluing? Can't you just make the aluminum thicker?</DIV><DIV> </DIV><DIV>Brian<BR><BR>--- personal_submersibles@psubs.org wrote:<BR><BR>From: hank pronk via Personal_Submersibles <personal_submersibles@psubs.org><BR>To: Douglas Suhr via Personal_Submersibles <personal_submersibles@psubs.org><BR>Subject: Re: [PSUBS-MAILIST] glueing aluminum<BR>Date: Sat, 23 Dec 2017 13:05:04 +0000 (UTC)<BR><BR></DIV><DIV style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;"><DIV></DIV>
<DIV>Thanks for the help guys!</DIV><DIV>Hank</DIV><DIV><BR></DIV>
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On Friday, December 22, 2017, 9:15:10 PM MST, Douglas Suhr via Personal_Submersibles <personal_submersibles@psubs.org> wrote:
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<DIV><DIV dir="ltr">I took a flashlight out to the trailer tonight, knowing that I'd<BR>forget tomorrow! The little placard reads, 'panels attached with 3M<BR>VHB bonding systems.' It's a Carmate brand trailer, btw. Good luck on<BR>the gluing Hank. ~ Doug S.<BR><BR>On 12/22/17, Alec Smyth via Personal_Submersibles<BR><<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>> wrote:<BR>> Hi Alan,<BR>><BR>> So far I've been anodizing almost everything in what the anodizer calls<BR>> "natural" finish. Sorry, I can't recall what it is in more technical terms<BR>> but it was their recommendation for salt water and I figure someone who<BR>> anodizes all day long knows more about it than I do. When they first<BR>> described it to me it sounded aesthetically iffy, because they called it a<BR>> slightly greenish gray. However, I actually really like it. It doesn't look<BR>> like anodized aluminum to me, it looks like some sort of unknown metal.<BR>> Cheap titanium maybe! But again, I didn't pick it for the looks.<BR>><BR>> Photos coming in maybe a week or two...<BR>><BR>><BR>> Best,<BR>> Alec<BR>><BR>> On Fri, Dec 22, 2017 at 9:43 PM, Alan via Personal_Submersibles <<BR>> <A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>> wrote:<BR>><BR>>> Alec,<BR>>> I am interested in the photos when you take them.<BR>>> I have a valve design based on Vance's but operated with solenoids.<BR>>> However am open to alternatives.<BR>>> What sort of anodising? I had my lights marine anodised but will go to<BR>>> hard anodising next as they can scratch relatively easy. Could however<BR>>> be the anodiser, I am not experienced enough to know!<BR>>> Alan<BR>>><BR>>> Sent from my iPad<BR>>><BR>>> On 23/12/2017, at 3:27 PM, hank pronk via Personal_Submersibles <<BR>>> <A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>> wrote:<BR>>><BR>>> Wow!!! that will go down like a rock, what drives them?<BR>>> Hank<BR>>><BR>>> On Friday, December 22, 2017, 6:36:20 PM MST, Alec Smyth via<BR>>> Personal_Submersibles <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>> wrote:<BR>>><BR>>><BR>>> Did you mean to say "ballast tank?" Working on it! Just this evening I<BR>>> finished making a set of five "mushroom" valves - four for the boat and<BR>>> one<BR>>> spare. I've been testing them by installing them in the bottom of a<BR>>> bucket<BR>>> and using them to dump the water. Monday I'll take them to be anodized,<BR>>> and<BR>>> when I get them back will take photos and post something on the projects<BR>>> page. They're a Hugh Fulton design and I have to say I'm impressed, he<BR>>> did<BR>>> an absolutely amazing job. The root of Shackleton's problems was water<BR>>> blocking in the MBT vent lines, which turns out to be a hard problem to<BR>>> solve with the raft configuration MBTs because the lines have a lot of<BR>>> horizontal ground to cover. Since mushroom valves use no vent line, there<BR>>> can't be water blocking and I'm hoping they're the solution. Next up, I'm<BR>>> going to go into calculations and design mode and make new MBTs that<BR>>> leverage these valves. It'll be interesting diving with these, the sub<BR>>> should submerge in seconds. It's four valves that are three inches in<BR>>> diameter each.<BR>>><BR>>> Best,<BR>>> Alec<BR>>><BR>>> On Fri, Dec 22, 2017 at 7:35 PM, hank pronk via Personal_Submersibles <<BR>>> <A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>> wrote:<BR>>><BR>>> Alec,<BR>>> My research so far shows that aerospace parts are glued also. I am sure<BR>>> the Lotus folks are pretty closed lipped about how they do it. I will do<BR>>> some testing, just checking with the group to save some time and<BR>>> headache.<BR>>> What are you using for a ballast an now? or is it a surprise.<BR>>> Hank<BR>>><BR>>> On Friday, December 22, 2017, 5:29:20 PM MST, Alec Smyth via<BR>>> Personal_Submersibles <<A href="mailto:personal_submersibles@psubs.">personal_submersibles@psubs.</A> org<BR>>> <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>>> wrote:<BR>>><BR>>><BR>>> Lotus Cars famously have done that, introducing bonded aluminum chassis<BR>>> with the Elise and continuing it on subsequent models. The reason is that<BR>>> welding weakens the material, so if it were welded they would need to<BR>>> increase the amount of material and it would eat up the weight savings.<BR>>> Problem is, I don't know the specifics of the glue they use nor the<BR>>> process.<BR>>><BR>>> Best,<BR>>> Alec<BR>>><BR>>> On Fri, Dec 22, 2017 at 6:57 PM, hank pronk via Personal_Submersibles<BR>>> <<A href="mailto:personal_submersibles@psubs.">personal_submersibles@psubs.</A><BR>>> org <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>>> wrote:<BR>>><BR>>> Hi All,<BR>>> I have an idea that requires glueing aluminum plates together. Has<BR>>> anyone<BR>>> tried this? any success?<BR>>> Hank<BR>>><BR>>> ______________________________ _________________<BR>>> Personal_Submersibles mailing list<BR>>> <A href="mailto:Personal_Submersibles@psubs.">Personal_Submersibles@psubs.</A> org <<A href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</A>><BR>>> <A href="http://www.psubs.org/mailman/ ">http://www.psubs.org/mailman/ </A>listinfo.cgi/personal_ submersibles<BR>>> <<A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A>><BR>>><BR>>><BR>>> ______________________________ _________________<BR>>> Personal_Submersibles mailing list<BR>>> <A href="mailto:Personal_Submersibles@psubs.">Personal_Submersibles@psubs.</A> org <<A href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</A>><BR>>> <A href="http://www.psubs.org/mailman/ ">http://www.psubs.org/mailman/ </A>listinfo.cgi/personal_ submersibles<BR>>> <<A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A>><DIV><BR>>><BR>>> ______________________________ _________________<BR>>> Personal_Submersibles mailing list<BR>>> <A href="mailto:Personal_Submersibles@psubs.">Personal_Submersibles@psubs.</A> org <<A href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</A>><BR>>> <A href="http://www.psubs.org/mailman/ ">http://www.psubs.org/mailman/ </A>listinfo.cgi/personal_ submersibles<BR>>> <<A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A>><BR>>><BR>>><BR>>> _______________________________________________<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><BR>>><BR>>> _______________________________________________<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><BR>>><BR>>><BR>>> _______________________________________________<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><BR>>><BR>>><BR>><BR>_______________________________________________<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><BR></DIV></DIV></DIV>
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