<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>Hank,</span></div><div style="color: rgb(0, 0, 0); font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 18.66px; font-style: normal; background-color: transparent;"><span><br></span></div><div style="color: rgb(0, 0, 0); font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 18.66px; font-style: normal; background-color: transparent;"><span>Most boats see about 100 hours use a year. I expect this to be no different. I want a neat little toy to play with in the garage on the occasions when my wife turns me loose! :)</span></div><div style="color: rgb(0, 0, 0); font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 18.66px; font-style: normal;
background-color: transparent;"><span><br></span></div><div style="color: rgb(0, 0, 0); font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 18.66px; font-style: normal; background-color: transparent;"><span>This is why I want to section the hull,...and I just convinced myself to shorten the thing a bit!</span></div><div style="color: rgb(0, 0, 0); font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 18.66px; font-style: normal; background-color: transparent;"><span><br></span></div><div style="color: rgb(0, 0, 0); font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 18.66px; font-style: normal; background-color: transparent;"><span>Joe</span></div><div style="color: rgb(0, 0, 0); font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 18.66px; font-style: normal;
background-color: transparent;"><span><br></span></div><div style="color: rgb(0, 0, 0); font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 18.66px; font-style: normal; background-color: transparent;"><span><br></span></div><div class="yahoo_quoted" style="display: block;"> <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"> <font face="Arial" size="2"> On Sunday, May 4, 2014 5:45 PM, hank pronk via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br> </font> </div> <div class="y_msg_container">Joe,<br>Sounds like you need to have the longest cones possible at each end to reduce the size of the free flooded areas. Another option is to change the design, decide what your
priorities are. What is most important? if long transits are the plan then you may need to change things. If fuel cost is a consideration, another change. Looking very cool dock side, you nailed it. It just wouldn't be fun if it was easy.<br>Hank<br>--------------------------------------------<br>On Sun, 5/4/14, Joe Perkel via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br> Subject: Re: [PSUBS-MAILIST] Terminating a conical transition<br> To: "Personal Submersibles General Discussion" <<a href="mailto:personal_submersibles@psubs.org" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br> Received: Sunday, May 4, 2014, 5:30 PM<br> <br> Sean,<br> Have<br> you ever notice how the Civil War design of the USS<br> Alligator stabilized the boat submerged? A couple of
crazy<br> little tethered floats, but the rationale has<br> never escaped me.<br> I<br> will reduce free flood space wherever I can. Trapped<br> inertia being on my mind, but I needed someone to remind me<br> of the waste in efficiency / power requirements,<br> thanks! Also, your comments bring home some compelling<br> reasons to shorten the design with a "Just<br> enough but no more" design<br> mindset.<br> I've<br> given thought to the conical section in the front, I can<br> reduce this down to a 30" head with forward viewing ala<br> Kraka, but quite the tight fit! Not sure, I have to give it<br> some more thought.<br> If<br> I reduce the aft end with a cone, then I would bring the<br> motor inside and do a standard marine hybrid<br> installation. Expensive, but certainly a more reliable<br> answer. If I do that, I would dispense with the notion of<br> propulsion units in the aft end of the pods, truly
no<br> need then. This boat requires a massive<br> ventilation / climate control scheme for surface operations,<br> that's why I've been overly generous with the<br> machinery space in these early drafts.<br> I'm<br> still concerned about stability because I have to contend<br> with what to do with all of that centerline space. The VBT<br> would take up some, but I would have to flood the<br> rest.<br> Thanks<br> again Sean!<br> Joe<br> On Sunday, May 4,<br> 2014 4:56 PM, Joe Perkel via Personal_Submersibles<br> <<a href="mailto:personal_submersibles@psubs.org" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br> Hank,<br> What<br> you see there is the<br> original Seehund arrangement, my intention is as you say,<br> up higher. The aft cone on mine essentially now an MBT.<br> Those lower volumes will be flooded in practice, but I am<br> wondering if
they could be blown down dry to help with<br> trailer launching and recovery??<br> Plenty,<br> and I mean plenty of room along the centerline for keel<br> ballast.<br> I<br> keep thinking about what you've told me regarding Gammas<br> attachment, always in the back of my<br> mind!<br> Thanks<br> Hank!<br> Joe<br> On Sunday, May 4,<br> 2014 4:34 PM, hank pronk via Personal_Submersibles<br> <<a href="mailto:personal_submersibles@psubs.org" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br> Joe,<br> Your dive tanks are to low, they should be at<br> the top of the sub. The way you have it will be less<br> stable.<br> The motor pod should be okay, just<br> like the K subs. You do not want your torpedo's to be<br> buoyant, they should be as heavy as possible for<br> stability.<br> Hank<br> --------------------------------------------<br> On<br> Sun, 5/4/14, Joe
Perkel via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br> wrote:<br> <br> Subject: Re:<br> [PSUBS-MAILIST] Terminating a conical transition<br> To: "Personal Submersibles General<br> Discussion" <<a href="mailto:personal_submersibles@psubs.org" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br> Received: Sunday, May 4, 2014, 3:07 PM<br> <br> I've incorporated<br> some of the suggestions in the attached<br> drawing. Still,<br> I've got a lot to think<br> about here but I am also excited<br> about the<br> possibilities and the potential outcome. This<br> image should give some idea of<br> what's on my mind.<br> What you see is the<br> water ballast arrangement<br> on the original<br> Seehund, and how my proposed
pressure<br> <br> boundary fits into this scaled down version. The<br> following<br> is a list of concerns and or<br> design<br> considerations.<br> <br> 1)<br> Clearly, I have no need to compensate<br> for the loss of<br> <br> torpedoes<br> 2)<br> New pressure<br> boundary provides for massive MBT volumes<br> <br> (Low pressure compressor to blow down<br> <br> volumes)<br> 3)<br> Torpedo<br> battery pods may need to incorporate some free<br> flooding spaces to reduce weight, or perhaps<br> reduce battery capacity to a single pod in<br> <br> lieu of the former forward water ballast tank, then<br> completely free flood both torpedoes<br> completely??.<br> (Boat will incorporate a<br> gen-set)<br> 4) Questionable<br> <br> reliability of external motor pod assembly.<br> <br> 5)<br> Stability considerations<br> Thanks for the input<br> gents,<br> It really helps
me to take a step back on<br> <br> occasion!<br> Joe<br> <br> <br> On<br> Sunday,<br> May 4,<br> 2014 10:19 AM, hank pronk via<br> Personal_Submersibles<br> <<a href="mailto:personal_submersibles@psubs.org" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br> wrote:<br> Joe,<br> <br> When I mounted the tanks back on<br> Gamma, I changed the<br> mounting location to<br> give a greater angle also I did what<br> Vance<br> is saying on a small scale. I then poured<br> a gallon of paint in <br> each tank and rolled the sub slowly to<br> ensure there was<br> complete paint<br> coverage. If I was operating in salt<br> <br> water I would mount some nipples to the tanks with<br> plugs. After a dive in salt water,<br> remove the plug and<br> you have access to<br>
spray fresh water inside and rinse the<br> salt<br> water out. A large panel is a good idea also because<br> you<br> can open it up after each<br> dive and let it dry out. <br> If I<br> had a K350, I would not copy the Nekton tanks<br> exactly. I would change the shape so<br> they have more<br> volume at the top reducing<br> the<br> rolling effect. Also I would<br> consider<br> making them from SS. Also SS heads solves the<br> problems entirely. Start watching ebay for ss<br> heads. I<br> once saw a ss tank exactly<br> the<br> same as a 500gal propane tank<br> for 1,500<br> dollars on ebay.<br> Hank<br> <br> --------------------------------------------<br> On Sun, 5/4/14, via Personal_Submersibles<br> <<a href="mailto:personal_submersibles@psubs.org" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br>
wrote:<br> <br> <br> Subject: Re: [PSUBS-MAILIST] Terminating a conical<br> transition<br> To: <a href="mailto:personal_submersibles@psubs.org" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a><br> Received: Sunday, May 4, 2014, 8:32<br> AM<br> <br> Joe,<br> <br> <br> <br> <br> Consider using an elliptical head back<br> there, for<br> starters. You aren't<br> building for much depth here, so<br> the<br> K-350 size will be fine (.375" ish). The ellipses<br> are cheaper, do the same job, and give<br> you a touch more<br> inside<br> room. Then I would have<br> a cone rolled<br> with a short flange on<br> the major diameter, maybe a couple<br> of<br> inches, to match the hull OD.<br> <br> <br> <br> <br> <br> The Nekton<br> cone-to-dome caused
a<br> pinch point<br> that was always a hassle to clean and paint,<br> and<br> ultimately left<br> some pitting in the pressure hull that had<br> to<br> be<br> weld-repaired. A short cylinder on the sheet metal<br> would give you a little more room under<br> there to sandblast<br> and paint during<br> assembly and later for overhauls. I would<br> say for maintenance a couple of<br> flush-mount, gasketed<br> panels<br> in the tank would serve you well.<br> Don't make them<br> too<br> ornery to remove or you<br> won't do it as often as you<br> will<br> wish you had.<br> <br> <br> <br> <br> <br> I'm wondering now about my own<br> boat and using tanks like that. Is there<br> anyone in the<br> group<br> <br> who can plug and chug a metacentric height on Nekton<br> tanks<br> installed on a
K-350? Assembly<br> would be so simple that<br> way.<br> And it would tow better, which is always<br> a good thing. The<br> Nektons roll a bit,<br> but are reasonably stable. A K with<br> the<br> pods should have plenty of weight down<br> low. Hmm. Would it<br> work? I'm<br> thinking yes. Anybody else have an opinion<br> <br> on<br> that?<br> <br> <br> <br> <br> <br> Vance<br> <br> <br> <br> <br> <br> <br> <br> -----Original<br> Message-----<br> <br> From: Joe Perkel via<br> Personal_Submersibles<br> <<a href="mailto:personal_submersibles@psubs.org" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br> <br> To:<br> personal_submersibles<br> <<a href="mailto:personal_submersibles@psubs.org"
ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br> <br> Sent: Sun, May<br> 4, 2014 12:28 am<br> <br> Subject: Re: [PSUBS-MAILIST] Terminating<br> a conical<br> transition<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> Vance,<br> <br> <br> <br> Rethinking that aft assembly to make it<br> all soft tanks aft<br> of a hemi head ala<br> Nekton.<br> <br> If I<br> go weld-on to the head ala Nekton, how best to attach<br> to the head to allow for periodic access<br> and maintenance?<br> <br> <br> <br> Joe<br> <br> <br> <br> Sent from Yahoo Mail for iPad <br> <br> <br> <br> <br> <br>
<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> From:<br> <br> <br> <br> <br>
<br> <br> <br> via<br> Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>>;<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> To:<br> <br> <br> <br> <br> <br> <br> <br>
<<a href="mailto:personal_submersibles@psubs.org" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>>;<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> Subject:<br> <br>
<br> <br> <br> <br> <br> <br> Re:<br> [PSUBS-MAILIST] Terminating<br> a conical transition <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> Sent:<br> <br> <br> <br> <br> <br> <br>
<br> Sat, May 3,<br> 2014<br> 2:03:36 PM <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br>
<br> <br> <br> <br> <br> <br> <br> <br> <br> Joe,<br> <br> <br> <br> <br> <br> <br> <br> <br> It<br> seems like an expensive and complex<br> assembly for what you<br> get. Why not<br> close the aft segment in a simpler way and<br> fair<br> the stern to the<br> shape you prefer? A hemisphere with an<br> extended shaft housing to put the prop<br> where you want it,<br> for instance.<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> Vance<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br>
-----Original<br> <br> Message-----<br> <br> <br> <br> From: Joe Perkel via<br> Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br> <br> <br> To: Personal Submersibles General<br> Discussion <<a href="mailto:personal_submersibles@psubs.org" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br> <br> <br> Sent: Sat, May 3, 2014 8:17 am<br> <br> <br> Subject: Re: [PSUBS-MAILIST] Terminating<br> a conical<br> transition<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> Sean,<br> <br> <br> <br> <br>
<br> <br> <br> <br> <br> <br> Yes,<br> a bolted<br> flange with O ring.<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> I've<br> attached an image of what's on my<br> mind. This hull is<br> 36" OD,<br> cylinder length is 120". Anything bigger<br> in diameter, simply gets way to big and<br> bulky for<br> handling.<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> I'm<br> thinking at this size, I must bolt at<br> least two hull<br> sections together for<br> outfitting and maintenance, and the<br> <br> cones can be un-stiffened or perhaps only at the<br> joints.<br> <br> <br> <br> <br> <br> <br> <br> <br> <br>
<br> <br> Joe<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> On<br> Friday, May<br> 2, 2014 9:50 PM, Sean T.<br> Stevenson via<br> Personal_Submersibles<br> <<a href="mailto:personal_submersibles@psubs.org" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br> wrote:<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> Each cone<br> section in that case is considered<br> <br> alone, so if you were using stiffeners, you would need a<br> heavy stiffener at
every joint.<br> Depending on the size, it<br> may be<br> simpler to use unstiffened geometry for such an<br> <br> assembly.<br> <br> <br> <br> <br> <br> The rules do not address bolting<br> pressure<br> hull sections together, but<br> I don't see why you<br> couldn't,<br> provided you meet the requirements in terms<br> <br> of<br> the stress analysis under the<br> maximum combined loading<br> conditions,<br> which are prescribed in the ABS rules.<br> Might<br> require<br> some FEA to be sure. You're thinking an O-ring<br> groove seal? Or other arrangement? <br> I think an ASME<br> code compliant flange<br> would be a good place to start, but<br> I<br> would make sure that the cross-sectional<br> area of each half<br> of the flange<br> considered individually met the requirements<br> of<br> a heavy stiffener
per ABS, at a minimum material<br> location<br> (bolt hole). I<br> would also be inclined to use SuperBolts<br> <br> for<br> the connection. <br> <br> <br> <br> <br> <a href="http://www.nord-lock.com/superbolt/multi-jackbolt-tensioners/" target="_blank">http://www.nord-lock.com/superbolt/multi-jackbolt-tensioners/</a><br> <br> <br> <br> <br> Sean<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> On May 2, 2014<br> 6:03:21<br> PM MDT, Joe Perkel via<br> Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br> <br> wrote:<br> Sean,<br> <br> <br> <br> <br> <br>
Would the heavy stiffener rule apply<br> equally to several<br> cone<br> segments stepping down at different<br> angles?<br> <br> <br> <br> <br> <br> Also, do ASME<br> pipe flange specifications translate equally<br> to bolted<br> pressure hull sections? Have I missed a section<br> somewhere on bolted cylindrical<br> sections?<br> <br> <br> <br> <br> <br> Very helpful<br> Sean thank you!<br> <br> <br> <br> <br> <br> Joe<br> <br> <br> <br> <br> <br> Sent from Yahoo Mail for iPad <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br>
<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> From:<br> <br> <br> <br> <br>
<br> <br> <br> Sean T. Stevenson<br> via<br> <br> Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>>; <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> To:<br> <br> <br> <br> <br> <br>
<br> <br> Personal<br> Submersibles General<br> <br> Discussion <<a href="mailto:personal_submersibles@psubs.org" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>>; <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br>
<br> <br> <br> <br> Subject:<br> <br> <br> <br> <br> <br> <br> <br> Re:<br> [PSUBS-MAILIST] Terminating<br> a conical transition <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> Sent:<br> <br>
<br> <br> <br> <br> <br> <br> Fri, May 2, 2014<br> 11:45:11 PM <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br>
<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> 2:1<br> semi-elliptical heads are usually<br> <br>
fabricated with some<br> length of straight flange (tangential<br> cylindrical section) beyond the axis of<br> the ellipse.<br> Hemispherical heads may<br> or may not have a straight flange<br> <br> section, but in either case are<br> permissible to use<br> adjacent<br> to conical sections, provided all other<br> requirements are<br> met. For stiffened<br> cones, you must have stiffeners meeting<br> the "heavy stiffener" criteria<br> at both ends, as<br> close as practicable<br> to the cone-to-cylinder and<br> <br> cone-to-head transitions. For unstiffened cones, the<br> length<br> L_c used in<br> overall buckling calculations must be the<br> <br> total<br> length between the next heavy<br> stiffener to either side of<br> the<br> entire compartment length, or between the 40% of head<br> depth points if otherwise<br> unbounded. Cone to
head<br> welds are done in the same manner as<br> cone to cylinder<br> welds,<br> and if your<br> <br> head is supplied w!<br> ith a<br> flange, it is the same<br> <br> thing.<br> <br> <br> <br> <br> <br> Sean<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> On May 2, 2014 2:48:52<br> PM MDT, Joe Perkel via<br> Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br> wrote:<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> I have<br> spotted the ABS diagrams and<br> specifications for<br> re-enforcement and<br> butt welds at conical to cylinder<br>
<br> transitions. I am somewhat unclear however as to<br> terminating<br> <br> at the head.<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> For<br> example, the<br> diagrams in the 2014 ABS underwater vehicles<br> and hyperbaric chamber publication shows<br> conical<br> transitions<br> <br> either bordered by a<br> cylinder at<br> either end, or simply<br> open<br> at the small end???<br> <br> <br> <br> <br> <br> <br> <br> <br> I want to terminate the small end of a<br> conical<br> transition<br> <br> directly to a small diameter hemi-head without another<br> straight section, but I am unclear<br> as to whether or<br> not<br> <br> that is acceptable<br> in practice.<br> <br> <br> <br>
<br> <br> <br> <br> <br> Joe<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> Personal_Submersibles mailing list<br> <a href="mailto:Personal_Submersibles@psubs.org" ymailto="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br> <a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br>
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