<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-size: 13px;color: rgb(0, 0, 0);font-family: arial, sans-serif;"><br>Hi Jon,<div><br></div><div>yeah, you are right, 3/16 isn't going to be enough, I was thinking 3/8 when I wrote the email.</div><div><br></div><div>I want to weld the edge/end of the cylindrical section of the ring to the the edge of hull cylinder (which is 1/4" thick).</div><div><br></div><div>Since the off the shelf rings won't do, I'll probably ask them to make 2 x 2 x 3/8 ring.</div><div><br></div><div>Cheers,</div><div> Ian.</div><div><br><blockquote style="padding-left: 5px; margin-left: 0px; border-left: #0000ff 2px solid; font-weight: normal; font-style: normal; text-decoration: none; font-size: 10pt; font-family: arial,sans-serif; color: black;">-----Original Message-----
<br>From: Jon Wallace via Personal_Submersibles <personal_submersibles@psubs.org>
<br>Sent: Jul 4, 2018 4:05 PM
<br>To: Personal Submersibles General Discussion <personal_submersibles@psubs.org>
<br>Subject: Re: [PSUBS-MAILIST] thoughts on adding a flange a K250 hull
<br><br><zzzhtml><zzzhead></zzzhead><zzzbody><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:16px"><div id="yui_3_16_0_ym19_1_1530745279337_2844"><span></span></div><div id="yui_3_16_0_ym19_1_1530745279337_2844" dir="ltr"><span id="yui_3_16_0_ym19_1_1530745279337_2932">I'm wondering if 3/16 is thick enough for that application. Will you be welding the ring on the inner surface of the hull or the outer surface?</span></div><div id="yui_3_16_0_ym19_1_1530745279337_2844" dir="ltr"><span><br></span></div><div id="yui_3_16_0_ym19_1_1530745279337_2844" dir="ltr"><span>Jon</span></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1530745279337_2911"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_ym19_1_1530745279337_2910" style="display: block;"> <div style="font-family: times new roman, new york, times, serif; font-size: 16px;" id="yui_3_16_0_ym19_1_1530745279337_2909"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_ym19_1_1530745279337_2908"> <div dir="ltr" id="yui_3_16_0_ym19_1_1530745279337_2907"> <font size="2" face="Arial"> <hr size="1"> <b><span style="font-weight:bold;">From:</span></b> irox via Personal_Submersibles <personal_submersibles@psubs.org><br> <b><span style="font-weight: bold;">To:</span></b> personal_submersibles@psubs.org <br> <b><span style="font-weight: bold;">Sent:</span></b> Wednesday, July 4, 2018 3:56 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> [PSUBS-MAILIST] thoughts on adding a flange a K250 hull<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_ym19_1_1530745279337_3021"><br><div dir="ltr">Hi,<br></div><div dir="ltr"><br></div><div dir="ltr" id="yui_3_16_0_ym19_1_1530745279337_3022">motivated to get a move on with my K250 resto-mod project after the adventures in Tahoe... :)<br></div><div dir="ltr"><br></div><div dir="ltr" id="yui_3_16_0_ym19_1_1530745279337_3023">One thing I've long wanted to do was have a removable end cap on my K250. The place<br></div><div dir="ltr">I'm planning on ordering my external T-rings has a bunch of off-the-shelf flanges (angle rings)<br></div><div dir="ltr" id="yui_3_16_0_ym19_1_1530745279337_3024">which could work.<br></div><div dir="ltr" id="yui_3_16_0_ym19_1_1530745279337_3025"><br></div><div dir="ltr"><a target="_blank" href="http://anglerings.com/Store/CategoryID/4/Level/1/List/1">http://anglerings.com/Store/CategoryID/4/Level/1/List/1</a><br></div><div dir="ltr"><br></div><div dir="ltr">For example, a 2 x 2 x 3/16, Leg-Out orientation with 16 holes in 304SS is around $150,<br></div><div dir="ltr">so for $300 I could add a removable end cap. This would length the hull ~4 inches, the added<br></div><div dir="ltr">weight would be reasonable close to the added displacement.<br></div><div dir="ltr"><br></div><div dir="ltr">304 vs 316L. I would love to do it in 316L, but since it's only going in the water when it's<br></div><div dir="ltr">being used, I don't think it's big factor.<br></div><div dir="ltr"><br></div><div dir="ltr">External vs internal bolts. I like going with the external bolts because this will make it easier<br></div><div dir="ltr">to remove. As in I won't need to crawl around the back removing 16 nuts and bolts.<br></div><div dir="ltr"><br></div><div dir="ltr">This is all to make the sub easier to work on, I'm not a small person. Once I get this K250<br></div><div dir="ltr">into an operational state, I've got lots of projects I'd like to do with it, such as adding<br></div><div dir="ltr">INS, sonar, manipulator, etc. etc.. Possibly going the route Alec did and make it a two person.<br></div><div dir="ltr">Being able to easily remove the rear end cap will make it more likely that the other projects<br></div><div dir="ltr">will happen.<br></div><div dir="ltr"><br></div><div dir="ltr">I'd appreciate any input on this.<br></div><div dir="ltr"><br></div><div dir="ltr">Thanks!<br></div><div dir="ltr"> Ian.<br></div><div dir="ltr"> <br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">_______________________________________________<br></div><div dir="ltr">Personal_Submersibles mailing list<br></div><div dir="ltr"><a target="_blank" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br></div><div dir="ltr"><a target="_blank" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br></div><br><br></div> </div> </div> </div></div></zzzbody></zzzhtml></personal_submersibles@psubs.org></personal_submersibles@psubs.org></blockquote></div></div></body></html>