<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px"><div><span>Brian,</span></div><div><span>The plan is 12,000 feet and the sphere is a CNG storage sphere, also I miss spoke, it weighs 8,500 lbs. </span></div><div><span>Hank</span></div> <div class="qtdSeparateBR"><br><br></div><div class="yahoo_quoted" style="display: block;"> <div style="font-family: Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 13px;"> <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 Saturday, June 24, 2017 10:45 PM, Brian Cox via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br></font></div> <br><br> <div class="y_msg_container"><div id="yiv8775596281"><div><div style="font-family:Arial, sans-serif;font-size:10pt;"><div>Holy crap Hank, How deep will this thing go ?</div><div> </div><div>Brian<br clear="none"><br clear="none">--- personal_submersibles@psubs.org wrote:<br clear="none"><br clear="none">From: hank pronk via Personal_Submersibles <personal_submersibles@psubs.org><br clear="none">To: Personal Submersibles General Discussion <personal_submersibles@psubs.org><br clear="none">Subject: Re: [PSUBS-MAILIST] syntactic foam.<br clear="none">Date: Sun, 25 Jun 2017 02:52:05 +0000 (UTC)<br clear="none"><br clear="none"></div><div class="yiv8775596281yqt0757893115" id="yiv8775596281yqt85762"><div style="color:rgb(0, 0, 0);font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px;background-color:rgb(255, 255, 255);"><div><span>Pete,</span></div><div><span>Not sure what your planning, but I have 8 AGM 6v and two extra for my travel motors. Unless your planning long transits, you can drop 4 batteries. With the efficiencies found in lighting etc, 8 batteries is lots. Can you move your batteries forward a pinch.</span></div><div><span>Hank</span></div> <div><br clear="none"><br clear="none"></div><div style="display:block;"> <div style="font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px;"> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div dir="ltr"><font face="Arial" size="2"> On Saturday, June 24, 2017 8:47 PM, Pete Niedermayr via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br clear="none"></font></div> <br clear="none"><br clear="none"> <div><div dir="ltr">Yeah it's 42 " but with 12 batteries aft it puts me ass heavy and I need 1200 lbs to balance it which put me over budget ballast wise. <br clear="none"></div><div dir="ltr">--------------------------------------------<br clear="none"></div><div dir="ltr">On Sat, 6/24/17, hank pronk via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br clear="none"></div><div dir="ltr"><br clear="none"></div><div dir="ltr"> Subject: Re: [PSUBS-MAILIST] syntactic foam.<br clear="none"></div><div dir="ltr"> To: "Personal Submersibles General Discussion" <<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"></div><div dir="ltr"> Date: Saturday, June 24, 2017, 8:11 PM<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Pete,A<br clear="none"></div><div dir="ltr"> lottery win would help ,lol. I will not rotate the sphere,<br clear="none"></div><div dir="ltr"> I will launch it with me in it, in the correct orientation.<br clear="none"></div><div dir="ltr"> I will go old school with the batteries and use oil<br clear="none"></div><div dir="ltr"> filled lead acid, for simplicity and low cost. Personally<br clear="none"></div><div dir="ltr"> if I were building a K350 variant, I would not bother with<br clear="none"></div><div dir="ltr"> pods, I would have AGM internal batteries. Again for cost,<br clear="none"></div><div dir="ltr"> simplicity and speed of construction, increase the hull<br clear="none"></div><div dir="ltr"> diameter to 42 inches while your at it. Emile has the<br clear="none"></div><div dir="ltr"> perfect set up, I would copy that.Hank<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> On Saturday, June 24, 2017 7:00 PM, Pete<br clear="none"></div><div dir="ltr"> Niedermayr via Personal_Submersibles<br clear="none"></div><div dir="ltr"> <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> WOW !<br clear="none"></div><div dir="ltr"> Are you going to rotate the sphere to have the port ( I<br clear="none"></div><div dir="ltr"> assume you mean View Port) where you want it ?<br clear="none"></div><div dir="ltr"> You<br clear="none"></div><div dir="ltr"> seem to have cracked quite a few nuts that challenged<br clear="none"></div><div dir="ltr"> Psubbers.<br clear="none"></div><div dir="ltr"> What<br clear="none"></div><div dir="ltr"> about <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Thru<br clear="none"></div><div dir="ltr"> hulls for control, power, life support, comm, etc.<br clear="none"></div><div dir="ltr"> Battery<br clear="none"></div><div dir="ltr"> banks ( I'm especially interested in this. I am working<br clear="none"></div><div dir="ltr"> on a design of a K350 variant and I don't the like<br clear="none"></div><div dir="ltr"> battery pods<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Thrusters <br clear="none"></div><div dir="ltr"> and compansation.<br clear="none"></div><div dir="ltr"> I<br clear="none"></div><div dir="ltr"> hope you win the lottery some day.<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> From: hank pronk via<br clear="none"></div><div dir="ltr"> Personal_Submersibles<br clear="none"></div><div dir="ltr"> <<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"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> To: Personal<br clear="none"></div><div dir="ltr"> Submersibles General Discussion<br clear="none"></div><div dir="ltr"> <<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"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Sent:<br clear="none"></div><div dir="ltr"> Saturday, June 24, 2017 6:38 PM<br clear="none"></div><div dir="ltr"> Subject: Re:<br clear="none"></div><div dir="ltr"> [PSUBS-MAILIST] syntactic foam.<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Hi Pete,Elementary<br clear="none"></div><div dir="ltr"> 12,000 will have a 48 inch by 3.25 in thick occupant<br clear="none"></div><div dir="ltr"> sphere 516-70 steel, and it will weigh 8,000 lbs. The port<br clear="none"></div><div dir="ltr"> and hatch will be combined, and the hatch land will be a<br clear="none"></div><div dir="ltr"> bolt in place part. I will machine the conical opening<br clear="none"></div><div dir="ltr"> with my own flange facing machine. If I achieve the<br clear="none"></div><div dir="ltr"> accuracy with the land that I have with Elementary, 3000<br clear="none"></div><div dir="ltr"> that will be great, if not then I will have it re-machined<br clear="none"></div><div dir="ltr"> professionally. The new sphere will go in place of the<br clear="none"></div><div dir="ltr"> sphere in Elementary 3000 and all the parts will be swapped<br clear="none"></div><div dir="ltr"> out. That is the plan Hank<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> On Saturday, June 24,<br clear="none"></div><div dir="ltr"> 2017 2:22 PM, Pete Niedermayr via Personal_Submersibles<br clear="none"></div><div dir="ltr"> <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Hank, What are your preliminary hull specs for<br clear="none"></div><div dir="ltr"> Elementary 12000?<br clear="none"></div><div dir="ltr"> --------------------------------------------<br clear="none"></div><div dir="ltr"> On Fri, 6/23/17, Alan via<br clear="none"></div><div dir="ltr"> Personal_Submersibles <<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"></div><div dir="ltr"> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Subject: Re:<br clear="none"></div><div dir="ltr"> [PSUBS-MAILIST] syntactic foam.<br clear="none"></div><div dir="ltr"> To: "Personal Submersibles General<br clear="none"></div><div dir="ltr"> Discussion" <<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"></div><div dir="ltr"> Date: Friday, June 23,<br clear="none"></div><div dir="ltr"> 2017, 8:44 PM<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Hank,yes the gas tanks<br clear="none"></div><div dir="ltr"> may<br clear="none"></div><div dir="ltr"> be expensive. You<br clear="none"></div><div dir="ltr"> could possibly make<br clear="none"></div><div dir="ltr"> a<br clear="none"></div><div dir="ltr"> series of boxes for the petrol. Make a box out<br clear="none"></div><div dir="ltr"> ofmarine<br clear="none"></div><div dir="ltr"> ply, seal it with epoxy,<br clear="none"></div><div dir="ltr"> drill a couple of holes in the<br clear="none"></div><div dir="ltr"> bottom & glue ina flexible membrane<br clear="none"></div><div dir="ltr"> across the inside bottom<br clear="none"></div><div dir="ltr"> of the box. Then seal a top<br clear="none"></div><div dir="ltr"> on with a<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> valve for filling. Just brain storming here!Alan<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Sent<br clear="none"></div><div dir="ltr"> from my iPad<br clear="none"></div><div dir="ltr"> On<br clear="none"></div><div dir="ltr"> 24/06/2017, at 1:12 PM,<br clear="none"></div><div dir="ltr"> hank pronk via Personal_Submersibles<br clear="none"></div><div dir="ltr"> <<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"></div><div dir="ltr"> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Alan,Those<br clear="none"></div><div dir="ltr"> look amazing and<br clear="none"></div><div dir="ltr"> expensive. I am not saying it is not<br clear="none"></div><div dir="ltr"> doable, I am just<br clear="none"></div><div dir="ltr"> very nervous due to lack of<br clear="none"></div><div dir="ltr"> knowledge. I am sure with proper engineering<br clear="none"></div><div dir="ltr"> and safety<br clear="none"></div><div dir="ltr"> grounding<br clear="none"></div><div dir="ltr"> it can be safe. I would go with CNG type 4 tanks<br clear="none"></div><div dir="ltr"> before I did gasoline.<br clear="none"></div><div dir="ltr"> I can buy one brand new tank that<br clear="none"></div><div dir="ltr"> will provide all the<br clear="none"></div><div dir="ltr"> buoyancy I need for 2,500-3,000 or I<br clear="none"></div><div dir="ltr"> can buy a used tank that<br clear="none"></div><div dir="ltr"> is current until 2030 for 1,100<br clear="none"></div><div dir="ltr"> dollars plus shipping. Also the CNG tank only<br clear="none"></div><div dir="ltr"> adds 105 lbs<br clear="none"></div><div dir="ltr"> plus<br clear="none"></div><div dir="ltr"> compressed air weight to the dry weight, making the<br clear="none"></div><div dir="ltr"> sub easy to lift onto the<br clear="none"></div><div dir="ltr"> deck of my proposed landing<br clear="none"></div><div dir="ltr"> craft.Hank<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> On Friday, June<br clear="none"></div><div dir="ltr"> 23,<br clear="none"></div><div dir="ltr"> 2017 6:32 PM, Alan<br clear="none"></div><div dir="ltr"> James via Personal_Submersibles <<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"></div><div dir="ltr"> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Hank,I had<br clear="none"></div><div dir="ltr"> another quick Google on<br clear="none"></div><div dir="ltr"> collapsible petrol<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> containers.There<br clear="none"></div><div dir="ltr"> is a<br clear="none"></div><div dir="ltr"> huge variety, with manufacturers offering tailor<br clear="none"></div><div dir="ltr"> made products.Here<br clear="none"></div><div dir="ltr"> is a news item about them<br clear="none"></div><div dir="ltr"> using them on the jetpack. They<br clear="none"></div><div dir="ltr"> have a collapsible<br clear="none"></div><div dir="ltr"> fuel tank strapped to their<br clear="none"></div><div dir="ltr"> back.http://www.atlinc.com/newsreleases.htmlAlan<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> From: hank pronk<br clear="none"></div><div dir="ltr"> via<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Personal_Submersibles <<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"></div><div dir="ltr"> To: Personal<br clear="none"></div><div dir="ltr"> Submersibles General<br clear="none"></div><div dir="ltr"> Discussion <<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"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Sent: Saturday, June<br clear="none"></div><div dir="ltr"> 24, 2017 11:16 AM<br clear="none"></div><div dir="ltr"> Subject: Re:<br clear="none"></div><div dir="ltr"> [PSUBS-MAILIST] syntactic<br clear="none"></div><div dir="ltr"> foam.<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Alan,I am<br clear="none"></div><div dir="ltr"> still considering that<br clear="none"></div><div dir="ltr"> idea but Sean said NO ;-( It is<br clear="none"></div><div dir="ltr"> cheap and I would have<br clear="none"></div><div dir="ltr"> lots of exta buoyancy. This is good<br clear="none"></div><div dir="ltr"> for Elementary 3,000 but<br clear="none"></div><div dir="ltr"> not Elementary 12,000. I want to<br clear="none"></div><div dir="ltr"> explore all ideas, and<br clear="none"></div><div dir="ltr"> will end up where I started with<br clear="none"></div><div dir="ltr"> spheres in epoxy ;-)Hank<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> On Friday, June 23,<br clear="none"></div><div dir="ltr"> 2017 5:01 PM,<br clear="none"></div><div dir="ltr"> Alan via<br clear="none"></div><div dir="ltr"> Personal_Submersibles <<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"></div><div dir="ltr"> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Hank,what happened to<br clear="none"></div><div dir="ltr"> your<br clear="none"></div><div dir="ltr"> idea of using<br clear="none"></div><div dir="ltr"> composite tanks pressurised with<br clear="none"></div><div dir="ltr"> air?As long<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> as they were in test & you had multiple tanks, with a<br clear="none"></div><div dir="ltr"> drop weight thatcould<br clear="none"></div><div dir="ltr"> compensate for<br clear="none"></div><div dir="ltr"> one<br clear="none"></div><div dir="ltr"> failing, that would be ok wouldn't it?If you were<br clear="none"></div><div dir="ltr"> filling to<br clear="none"></div><div dir="ltr"> 3000psi,<br clear="none"></div><div dir="ltr"> they wouldn't see external pressure till<br clear="none"></div><div dir="ltr"> 6000ft.You<br clear="none"></div><div dir="ltr"> could always test the<br clear="none"></div><div dir="ltr"> idea at Nuytco.Alan<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Sent from my iPad<br clear="none"></div><div dir="ltr"> On<br clear="none"></div><div dir="ltr"> 24/06/2017, at 10:17 AM,<br clear="none"></div><div dir="ltr"> hank pronk via<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Personal_Submersibles <<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"></div><div dir="ltr"> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> LOL,I<br clear="none"></div><div dir="ltr"> checked on<br clear="none"></div><div dir="ltr"> the compressibility and it will compress<br clear="none"></div><div dir="ltr"> .5 percent, per 1,000 psi<br clear="none"></div><div dir="ltr"> same as hydraulic oil. I have<br clear="none"></div><div dir="ltr"> weighed two types of<br clear="none"></div><div dir="ltr"> Olive oil today and the specific<br clear="none"></div><div dir="ltr"> gravity is actually .86g\cc so it is to<br clear="none"></div><div dir="ltr"> heavy. I<br clear="none"></div><div dir="ltr"> can't<br clear="none"></div><div dir="ltr"> seem to find the light weight stuff .703g\cc<br clear="none"></div><div dir="ltr"> if you buy in bulk it<br clear="none"></div><div dir="ltr"> is 5 dollars per kg so<br clear="none"></div><div dir="ltr"> far.I am<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> not even sure I can drive down the road with that much<br clear="none"></div><div dir="ltr"> gas,<br clear="none"></div><div dir="ltr"> mind you it would<br clear="none"></div><div dir="ltr"> be hidden behind panels on the sub. Then<br clear="none"></div><div dir="ltr"> there is the expansion<br clear="none"></div><div dir="ltr"> while it sits in the hot weather.<br clear="none"></div><div dir="ltr"> If the tree huggers heard about it they would<br clear="none"></div><div dir="ltr"> crap in<br clear="none"></div><div dir="ltr"> their pants<br clear="none"></div><div dir="ltr"> and chase me down, luckily my truck can out run<br clear="none"></div><div dir="ltr"> a VW van lol.Hank<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> On Friday, June<br clear="none"></div><div dir="ltr"> 23,<br clear="none"></div><div dir="ltr"> 2017 3:53 PM, Alan<br clear="none"></div><div dir="ltr"> via Personal_Submersibles <<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"></div><div dir="ltr"> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Hank,is that extra<br clear="none"></div><div dir="ltr"> virgin or<br clear="none"></div><div dir="ltr"> cold<br clear="none"></div><div dir="ltr"> pressed? I wonder if it compressesunder<br clear="none"></div><div dir="ltr"> pressure.Olive oil would<br clear="none"></div><div dir="ltr"> be an<br clear="none"></div><div dir="ltr"> expensive way to<br clear="none"></div><div dir="ltr"> go. Whereas petrol costsnothing if you re-use<br clear="none"></div><div dir="ltr"> it. Not<br clear="none"></div><div dir="ltr"> sure why you fear<br clear="none"></div><div dir="ltr"> gasoline; they let women pump it in to<br clear="none"></div><div dir="ltr"> their cars<br clear="none"></div><div dir="ltr"> at gas stations!Cheers<br clear="none"></div><div dir="ltr"> Alan<br clear="none"></div><div dir="ltr"> Sent<br clear="none"></div><div dir="ltr"> from my iPad<br clear="none"></div><div dir="ltr"> On<br clear="none"></div><div dir="ltr"> 24/06/2017, at 4:21 AM,<br clear="none"></div><div dir="ltr"> hank pronk via Personal_Submersibles<br clear="none"></div><div dir="ltr"> <<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"></div><div dir="ltr"> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Alec,Thank<br clear="none"></div><div dir="ltr"> you, I should have bought<br clear="none"></div><div dir="ltr"> those instead of the 11 inch,<br clear="none"></div><div dir="ltr"> grrrr. I could go with those floats, but I do<br clear="none"></div><div dir="ltr"> hope to<br clear="none"></div><div dir="ltr"> build the next<br clear="none"></div><div dir="ltr"> generation Elementary sub. I want to<br clear="none"></div><div dir="ltr"> figure out the whole foam<br clear="none"></div><div dir="ltr"> thing and possibly carry it over<br clear="none"></div><div dir="ltr"> to the next sub. Alan has really intrigued me<br clear="none"></div><div dir="ltr"> with using<br clear="none"></div><div dir="ltr"> gasoline, I<br clear="none"></div><div dir="ltr"> am terrified of that idea but it has caused me<br clear="none"></div><div dir="ltr"> to stumble onto another<br clear="none"></div><div dir="ltr"> liquid. In searching I have<br clear="none"></div><div dir="ltr"> discovered that Olive Oil is even lighter<br clear="none"></div><div dir="ltr"> than gasoline, and<br clear="none"></div><div dir="ltr"> obviously safer for me and the<br clear="none"></div><div dir="ltr"> environment. I have no idea yet if it is an<br clear="none"></div><div dir="ltr"> option, I only<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> stumbled onto it this morning. If anyone knows of a<br clear="none"></div><div dir="ltr"> bad<br clear="none"></div><div dir="ltr"> reason to use<br clear="none"></div><div dir="ltr"> Olive Oil, please let me know. Olive Oil is<br clear="none"></div><div dir="ltr"> .703 g\cc and I can<br clear="none"></div><div dir="ltr"> put it into plastic containers that<br clear="none"></div><div dir="ltr"> are .93 g\cc Hank<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> On Friday, June<br clear="none"></div><div dir="ltr"> 23,<br clear="none"></div><div dir="ltr"> 2017 9:28 AM, Alec<br clear="none"></div><div dir="ltr"> Smyth via Personal_Submersibles <<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"></div><div dir="ltr"> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Actually there are<br clear="none"></div><div dir="ltr"> trawl floats rated to<br clear="none"></div><div dir="ltr"> 1800m. That should have you covered<br clear="none"></div><div dir="ltr"> Hank! Check out #629<br clear="none"></div><div dir="ltr"> below.<br clear="none"></div><div dir="ltr"> <a rel="nofollow" shape="rect" target="_blank" href="http://trawlworks.com/floats.html">http://trawlworks.com/floats.html</a><br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Best,<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Alec<br clear="none"></div><div dir="ltr"> On Mon, Jun 19, 2017<br clear="none"></div><div dir="ltr"> at<br clear="none"></div><div dir="ltr"> 1:21 PM, Brian Cox<br clear="none"></div><div dir="ltr"> via Personal_Submersibles <<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"></div><div dir="ltr"> wrote:<br clear="none"></div><div dir="ltr"> These guys have<br clear="none"></div><div dir="ltr"> 14"<br clear="none"></div><div dir="ltr"> spherical<br clear="none"></div><div dir="ltr"> buoys rated to 800 meters - $120.00 with<br clear="none"></div><div dir="ltr"> a positive buoyancy of 39<br clear="none"></div><div dir="ltr"> # they are not syntactic. <br clear="none"></div><div dir="ltr"> The syntactics start at 30" in dia<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <a rel="nofollow" shape="rect" target="_blank" href="http://www.mooringsystems.com/">http://www.mooringsystems.com/</a><br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> buoyancy.htm Brian <br clear="none"></div><div dir="ltr"> --- <a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs." target="_blank" href="mailto:personal_submersibles@psubs.">personal_submersibles@psubs.</a><br clear="none"></div><div dir="ltr"> org wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> From: james<br clear="none"></div><div dir="ltr"> cottrell via<br clear="none"></div><div dir="ltr"> Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs." target="_blank" href="mailto:personal_submersibles@psubs.">personal_submersibles@psubs.</a><br clear="none"></div><div dir="ltr"> org><br clear="none"></div><div dir="ltr"> To:<br clear="none"></div><div dir="ltr"> Personal Submersibles<br clear="none"></div><div dir="ltr"> General Discussion <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs." target="_blank" href="mailto:personal_submersibles@psubs.">personal_submersibles@psubs.</a><br clear="none"></div><div dir="ltr"> org><br clear="none"></div><div dir="ltr"> Subject: Re:<br clear="none"></div><div dir="ltr"> [PSUBS-MAILIST] syntactic<br clear="none"></div><div dir="ltr"> foam.<br clear="none"></div><div dir="ltr"> Date:<br clear="none"></div><div dir="ltr"> Mon, 19 Jun 2017 16:52:56<br clear="none"></div><div dir="ltr"> +0000 (UTC)<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Deep sea glass floats<br clear="none"></div><div dir="ltr"> are rated for 10,000<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> psi<br clear="none"></div><div dir="ltr"> <a rel="nofollow" shape="rect" target="_blank" href="http://teledynebenthos.com/">http://teledynebenthos.com/</a><br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> product/flotation_instrument_ housings/flotation-glass-<br clear="none"></div><div dir="ltr"> spheres<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Greg<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> From: Alan via<br clear="none"></div><div dir="ltr"> Personal_Submersibles<br clear="none"></div><div dir="ltr"> <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs." target="_blank" href="mailto:personal_submersibles@psubs.">personal_submersibles@psubs.</a><br clear="none"></div><div dir="ltr"> org><br clear="none"></div><div dir="ltr"> To: Personal<br clear="none"></div><div dir="ltr"> Submersibles General<br clear="none"></div><div dir="ltr"> Discussion <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs." target="_blank" href="mailto:personal_submersibles@psubs.">personal_submersibles@psubs.</a><br clear="none"></div><div dir="ltr"> org> <br clear="none"></div><div dir="ltr"> Sent: Monday, June<br clear="none"></div><div dir="ltr"> 12,<br clear="none"></div><div dir="ltr"> 2017 6:18 PM<br clear="none"></div><div dir="ltr"> Subject: Re:<br clear="none"></div><div dir="ltr"> [PSUBS-MAILIST] syntactic<br clear="none"></div><div dir="ltr"> foam.<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Hank,if you<br clear="none"></div><div dir="ltr"> are getting 3lb of<br clear="none"></div><div dir="ltr"> floatation per gallon then you need<br clear="none"></div><div dir="ltr"> 184gallons of gas. 184 x<br clear="none"></div><div dir="ltr"> 3 = 552 ( near<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> enough).Cheers Alan<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Sent from my iPad<br clear="none"></div><div dir="ltr"> On 13/06/2017, at 9:50<br clear="none"></div><div dir="ltr"> AM, hank pronk via<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs." target="_blank" href="mailto:personal_submersibles@psubs.">personal_submersibles@psubs.</a><br clear="none"></div><div dir="ltr"> org> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Alan,I need 550 lbs<br clear="none"></div><div dir="ltr"> flotation and one imp<br clear="none"></div><div dir="ltr"> gallon of water is 10 lbs and gas is 7 lbs that<br clear="none"></div><div dir="ltr"> gives me 3<br clear="none"></div><div dir="ltr"> lbs<br clear="none"></div><div dir="ltr"> buoyancy per imp gallon that means I need 1650 gallons<br clear="none"></div><div dir="ltr"> of gas.Hank<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> On Monday, June<br clear="none"></div><div dir="ltr"> 12,<br clear="none"></div><div dir="ltr"> 2017 3:43 PM, Alan<br clear="none"></div><div dir="ltr"> via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs." target="_blank" href="mailto:personal_submersibles@psubs.">personal_submersibles@psubs.</a><br clear="none"></div><div dir="ltr"> org> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Hank,are you sure<br clear="none"></div><div dir="ltr"> that's<br clear="none"></div><div dir="ltr"> right!That<br clear="none"></div><div dir="ltr"> would give 1900kg of floatation (<br clear="none"></div><div dir="ltr"> nearly 2 ton)That is based on gasoline being<br clear="none"></div><div dir="ltr"> .71<br clear="none"></div><div dir="ltr"> of the weight of<br clear="none"></div><div dir="ltr"> water. So every litreof gas<br clear="none"></div><div dir="ltr"> gives you about 290 grams of<br clear="none"></div><div dir="ltr"> floatation. Metric<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> system is much easier for calculating these<br clear="none"></div><div dir="ltr"> things.Cheers Alan<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Sent from my iPad<br clear="none"></div><div dir="ltr"> On 12/06/2017, at 11:42<br clear="none"></div><div dir="ltr"> PM, hank pronk via<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs." target="_blank" href="mailto:personal_submersibles@psubs.">personal_submersibles@psubs.</a><br clear="none"></div><div dir="ltr"> org> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Alan,Those<br clear="none"></div><div dir="ltr"> are nice, I can see other<br clear="none"></div><div dir="ltr"> uses for them. If I use<br clear="none"></div><div dir="ltr"> gasoline, I would need about 1,750 imperial<br clear="none"></div><div dir="ltr"> gallons for<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Elementary. I was mistaken about the liquid<br clear="none"></div><div dir="ltr"> paraffin,<br clear="none"></div><div dir="ltr"> gasoline is<br clear="none"></div><div dir="ltr"> better. <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> On Sunday, June<br clear="none"></div><div dir="ltr"> 11,<br clear="none"></div><div dir="ltr"> 2017 11:36 PM,<br clear="none"></div><div dir="ltr"> Alan via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs." target="_blank" href="mailto:personal_submersibles@psubs.">personal_submersibles@psubs.</a><br clear="none"></div><div dir="ltr"> org> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Maybe<br clear="none"></div><div dir="ltr"> something like this<br clear="none"></div><div dir="ltr"> collapsable plastic fuel<br clear="none"></div><div dir="ltr"> tank, inside a protective fibreglass housing,<br clear="none"></div><div dir="ltr"> or<br clear="none"></div><div dir="ltr"> a grate<br clear="none"></div><div dir="ltr"> arrangement. <a rel="nofollow" shape="rect" target="_blank" href="https://www.bdoutdoors.com/">https://www.bdoutdoors.com/</a><br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> atl-fuel-bladder-extra/Alan<br clear="none"></div><div dir="ltr"> Sent from my iPad<br clear="none"></div><div dir="ltr"> On 12/06/2017, at 12:28 PM, hank pronk via<br clear="none"></div><div dir="ltr"> Personal_Submersibles<br clear="none"></div><div dir="ltr"> <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs." target="_blank" href="mailto:personal_submersibles@psubs.">personal_submersibles@psubs.</a><br clear="none"></div><div dir="ltr"> org> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Alan,Yes I<br clear="none"></div><div dir="ltr"> have, it is very simple<br clear="none"></div><div dir="ltr"> and effective. There are of coarse<br clear="none"></div><div dir="ltr"> some hazardous<br clear="none"></div><div dir="ltr"> logistical problems not to<br clear="none"></div><div dir="ltr"> mention environmental concerns. I would opt<br clear="none"></div><div dir="ltr"> for<br clear="none"></div><div dir="ltr"> diesel fuel to<br clear="none"></div><div dir="ltr"> reduce the fire hazard. Any time you have<br clear="none"></div><div dir="ltr"> plastic and gas it is<br clear="none"></div><div dir="ltr"> dangerous. Last week I did a barge<br clear="none"></div><div dir="ltr"> job replacing dock<br clear="none"></div><div dir="ltr"> piles. When I walked up and down the<br clear="none"></div><div dir="ltr"> plastic dock floats,<br clear="none"></div><div dir="ltr"> every time I touched the steel piles I<br clear="none"></div><div dir="ltr"> got a spark. Actually<br clear="none"></div><div dir="ltr"> Liquid paraffin is even better at<br clear="none"></div><div dir="ltr"> .8g\ccHank <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> On<br clear="none"></div><div dir="ltr"> Sunday, June 11,<br clear="none"></div><div dir="ltr"> 2017<br clear="none"></div><div dir="ltr"> 5:32 PM, Alan via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs." target="_blank" href="mailto:personal_submersibles@psubs.">personal_submersibles@psubs.</a><br clear="none"></div><div dir="ltr"> org> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Hank,have you looked at<br clear="none"></div><div dir="ltr"> using<br clear="none"></div><div dir="ltr"> gasoline?More<br clear="none"></div><div dir="ltr"> volume required for the same<br clear="none"></div><div dir="ltr"> floatation as syntactic foam,but apart from<br clear="none"></div><div dir="ltr"> the<br clear="none"></div><div dir="ltr"> holding tanks it<br clear="none"></div><div dir="ltr"> would cost you nothing, as<br clear="none"></div><div dir="ltr"> youcould use it after the dive. If you<br clear="none"></div><div dir="ltr"> designed<br clear="none"></div><div dir="ltr"> right you<br clear="none"></div><div dir="ltr"> could fill the tanksat your<br clear="none"></div><div dir="ltr"> destination.Alan<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Sent from<br clear="none"></div><div dir="ltr"> my iPad<br clear="none"></div><div dir="ltr"> On 12/06/2017,<br clear="none"></div><div dir="ltr"> at 6:03 AM, hank pronk via<br clear="none"></div><div dir="ltr"> Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs." target="_blank" href="mailto:personal_submersibles@psubs.">personal_submersibles@psubs.</a><br clear="none"></div><div dir="ltr"> org> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Greg,that sounds good,<br clear="none"></div><div dir="ltr"> I would love to find a<br clear="none"></div><div dir="ltr"> more cost effective foam. I still<br clear="none"></div><div dir="ltr"> want to build one more<br clear="none"></div><div dir="ltr"> sub that goes much deeper, but the<br clear="none"></div><div dir="ltr"> foam cost is not<br clear="none"></div><div dir="ltr"> manageable. I estimate I can build a<br clear="none"></div><div dir="ltr"> Titanic capable sub<br clear="none"></div><div dir="ltr"> for 100,000 and 80,000 of that is<br clear="none"></div><div dir="ltr"> foam. ;-(Hank<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> On Sunday, June<br clear="none"></div><div dir="ltr"> 11,<br clear="none"></div><div dir="ltr"> 2017 8:29 AM, hank<br clear="none"></div><div dir="ltr"> pronk via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs." target="_blank" href="mailto:personal_submersibles@psubs.">personal_submersibles@psubs.</a><br clear="none"></div><div dir="ltr"> org> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Greg,There has to be<br clear="none"></div><div dir="ltr"> good reason to make foam by<br clear="none"></div><div dir="ltr"> other means than standard practices. Cost<br clear="none"></div><div dir="ltr"> would be the<br clear="none"></div><div dir="ltr"> biggest<br clear="none"></div><div dir="ltr"> reason, and using wax will probably work, but is<br clear="none"></div><div dir="ltr"> there a saving? Using<br clear="none"></div><div dir="ltr"> wax means you have to use a<br clear="none"></div><div dir="ltr"> deeper rated sphere to offset the loss of<br clear="none"></div><div dir="ltr"> reinforcement<br clear="none"></div><div dir="ltr"> provided<br clear="none"></div><div dir="ltr"> by the resin. I have no idea what the cost<br clear="none"></div><div dir="ltr"> difference would be. <br clear="none"></div><div dir="ltr"> Maybe the cost is still much<br clear="none"></div><div dir="ltr"> better. When I look at Cliff's report, the<br clear="none"></div><div dir="ltr"> resin is<br clear="none"></div><div dir="ltr"> not the<br clear="none"></div><div dir="ltr"> expensive part. Perhaps the direction should be,<br clear="none"></div><div dir="ltr"> to look for a replacement<br clear="none"></div><div dir="ltr"> for the spheres. In Cliff's<br clear="none"></div><div dir="ltr"> report it shows the resin triples the<br clear="none"></div><div dir="ltr"> sphere's<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> performance. That implies that the true strength comes<br clear="none"></div><div dir="ltr"> from the resin. Maybe a<br clear="none"></div><div dir="ltr"> sawdust resin or a styrofoam<br clear="none"></div><div dir="ltr"> granule resin is worth looking at also. Maybe<br clear="none"></div><div dir="ltr"> it is a<br clear="none"></div><div dir="ltr"> simple as air<br clear="none"></div><div dir="ltr"> entrained resin?Fun to<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> think about anyways.Hank <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> On<br clear="none"></div><div dir="ltr"> Sunday, June 11,<br clear="none"></div><div dir="ltr"> 2017<br clear="none"></div><div dir="ltr"> 6:22 AM, hank pronk via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs." target="_blank" href="mailto:personal_submersibles@psubs.">personal_submersibles@psubs.</a><br clear="none"></div><div dir="ltr"> org> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Hi Scott,Thanks<br clear="none"></div><div dir="ltr"> for the offer, but I need<br clear="none"></div><div dir="ltr"> foam for 3,000<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> feet.Hank <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> On Saturday, June<br clear="none"></div><div dir="ltr"> 10,<br clear="none"></div><div dir="ltr"> 2017 9:03 PM,<br clear="none"></div><div dir="ltr"> Scott Waters via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs." target="_blank" href="mailto:personal_submersibles@psubs.">personal_submersibles@psubs.</a><br clear="none"></div><div dir="ltr"> org> wrote:<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Hank,<br clear="none"></div><div dir="ltr"> Hola from Costa Rica!<br clear="none"></div><div dir="ltr"> Depends on if they are<br clear="none"></div><div dir="ltr"> glass or<br clear="none"></div><div dir="ltr"> carbon fiber<br clear="none"></div><div dir="ltr"> spheres and what size they are. They are all<br clear="none"></div><div dir="ltr"> pretty durable. We are<br clear="none"></div><div dir="ltr"> actually cutting up the foam on<br clear="none"></div><div dir="ltr"> Pisces and reattaching it to get the shapes we<br clear="none"></div><div dir="ltr"> want. <br clear="none"></div><div dir="ltr"> I do have a<br clear="none"></div><div dir="ltr"> ton of syntactic foam<br clear="none"></div><div dir="ltr"> that is cert to 400m that I'd sell<br clear="none"></div><div dir="ltr"> you for super cheap. Like<br clear="none"></div><div dir="ltr"> all of it for $200<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Thanks,Scott<br clear="none"></div><div dir="ltr"> Waters<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Sent from my<br clear="none"></div><div dir="ltr"> U.S. Cellular®<br clear="none"></div><div dir="ltr"> Smartphone<br clear="none"></div><div dir="ltr"> --------<br clear="none"></div><div dir="ltr"> Original message<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> --------From: hank pronk via<br clear="none"></div><div dir="ltr"> Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs." target="_blank" href="mailto:personal_submersibles@psubs.">personal_submersibles@psubs.</a><br clear="none"></div><div dir="ltr"> org> Date: 6/10/17 <br clear="none"></div><div dir="ltr"> 12:38 PM (GMT-06:00)<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> To: Personal Submersibles General Discussion<br clear="none"></div><div dir="ltr"> <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs." target="_blank" href="mailto:personal_submersibles@psubs.">personal_submersibles@psubs.</a><br clear="none"></div><div dir="ltr"> org> Subject:<br clear="none"></div><div dir="ltr"> [PSUBS-MAILIST] syntactic<br clear="none"></div><div dir="ltr"> foam. <br clear="none"></div><div dir="ltr"> I<br clear="none"></div><div dir="ltr"> have an idea, but not sure if it will work. <br clear="none"></div><div dir="ltr"> My idea is to fill a<br clear="none"></div><div dir="ltr"> neutrally buoyant container with macro<br clear="none"></div><div dir="ltr"> and micro spheres. <br clear="none"></div><div dir="ltr"> After the container is as full as<br clear="none"></div><div dir="ltr"> possible, then fill with an environmentally<br clear="none"></div><div dir="ltr"> friendly oil. <br clear="none"></div><div dir="ltr"> This<br clear="none"></div><div dir="ltr"> would be more buoyant than using a resin and less<br clear="none"></div><div dir="ltr"> complicated and<br clear="none"></div><div dir="ltr"> cheaper. My concern is, how well will the<br clear="none"></div><div dir="ltr"> spheres stand up against<br clear="none"></div><div dir="ltr"> breaking from being in contact with<br clear="none"></div><div dir="ltr"> the other spheres and the<br clear="none"></div><div dir="ltr"> container. Are these spheres<br clear="none"></div><div dir="ltr"> delicate?<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> Hank______________________________<br clear="none"></div><div dir="ltr"> _________________<br clear="none"></div><div dir="ltr"> Personal_Submersibles<br clear="none"></div><div dir="ltr"> mailing list<br clear="none"></div><div dir="ltr"> <a rel="nofollow" shape="rect" ymailto="mailto:Personal_Submersibles@psubs." target="_blank" href="mailto:Personal_Submersibles@psubs.">Personal_Submersibles@psubs.</a><br clear="none"></div><div dir="ltr"> org<br clear="none"></div><div dir="ltr"> <a rel="nofollow" shape="rect" target="_blank" href="http://www.psubs.org/mailman/">http://www.psubs.org/mailman/</a><br clear="none"></div><div dir="ltr"> listinfo.cgi/personal_<br clear="none"></div><div dir="ltr"> submersibles<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> ______________________________<br clear="none"></div><div dir="ltr"> _________________<br clear="none"></div><div dir="ltr"> Personal_Submersibles<br clear="none"></div><div dir="ltr"> mailing list<br clear="none"></div><div dir="ltr"> <a rel="nofollow" shape="rect" ymailto="mailto:Personal_Submersibles@psubs." target="_blank" href="mailto:Personal_Submersibles@psubs.">Personal_Submersibles@psubs.</a><br clear="none"></div><div dir="ltr"> org<br clear="none"></div><div dir="ltr"> <a rel="nofollow" shape="rect" target="_blank" href="http://www.psubs.org/mailman/">http://www.psubs.org/mailman/</a><br clear="none"></div><div dir="ltr"> listinfo.cgi/personal_<br clear="none"></div><div dir="ltr"> submersibles<br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> <br clear="none"></div><div dir="ltr"> 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