<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"><div><span>Alan,</span></div><div id="yui_3_16_0_1_1455057122489_2941" dir="ltr"><span id="yui_3_16_0_1_1455057122489_2940">I am suggesting the o-rings would be on the shaft, no pre-loading required. </span></div><div id="yui_3_16_0_1_1455057122489_2941" dir="ltr"><span>Hank</span></div> <div class="qtdSeparateBR"><br><br></div><div class="yahoo_quoted" style="display: block;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12px;"> <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 Tuesday, February 9, 2016 2:48 PM, Alan James via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br></font></div> <br><br> <div class="y_msg_container"><div id="yiv0672910513"><div><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="yiv0672910513yui_3_16_0_1_1455053254566_3607"><span id="yiv0672910513yui_3_16_0_1_1455053254566_3606">Hank,</span></div><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455053254566_3607"><span id="yiv0672910513yui_3_16_0_1_1455053254566_3621">Just thinking of how Jon would compress the o-rings.</span></div><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455053254566_3607"><span>With the snap ring you could use washers to pack it</span></div><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455053254566_3607"><span id="yiv0672910513yui_3_16_0_1_1455053254566_3749">out to get a bit of compression, if you can find the right </span></div><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455053254566_3607"><span id="yiv0672910513yui_3_16_0_1_1455053254566_3777">size washers & if you made the grove slightly wider than the</span></div><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455053254566_3607"><span id="yiv0672910513yui_3_16_0_1_1455053254566_3899">through hull depth. Then you would have to grip & pull the delrin</span></div><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455053254566_3607"><span id="yiv0672910513yui_3_16_0_1_1455053254566_3926">or push it from the outside.</span></div><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455053254566_3607"><span id="yiv0672910513yui_3_16_0_1_1455053254566_4037">Found this article on glueing it & the key is to key it. There are glues</span></div><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455053254566_3607"><span id="yiv0672910513yui_3_16_0_1_1455053254566_4033">available but they only have a 10-20% strength & we need a</span></div><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455053254566_3607"><span id="yiv0672910513yui_3_16_0_1_1455053254566_4061">potting compound that will adhere.</span></div><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455053254566_3607"><span id="yiv0672910513yui_3_16_0_1_1455053254566_4072"><a rel="nofollow" shape="rect" id="yiv0672910513yui_3_16_0_1_1455053254566_4070" target="_blank" href="http://www.polytechforum.com/cnc/what-epoxy-do-you-use-to-join-delrin-parts-16642-.htm">http://www.polytechforum.com/cnc/what-epoxy-do-you-use-to-join-delrin-parts-16642-.htm</a><br clear="none"></span></div><div id="yiv0672910513yui_3_16_0_1_1455053254566_3607">Alan</div><div id="yiv0672910513yui_3_16_0_1_1455053254566_3607">"Nothing is easy with submarines"</div><div class="yiv0672910513qtdSeparateBR" id="yiv0672910513yui_3_16_0_1_1455053254566_3608"><br clear="none"><br clear="none"></div><div class="yiv0672910513yahoo_quoted" id="yiv0672910513yui_3_16_0_1_1455053254566_3613" style="display:block;"> <div id="yiv0672910513yui_3_16_0_1_1455053254566_3612" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div id="yiv0672910513yui_3_16_0_1_1455053254566_3611" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div class="yiv0672910513yqt7922671254" id="yiv0672910513yqt93433"><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455053254566_3610"> <font id="yiv0672910513yui_3_16_0_1_1455053254566_3609" size="2" face="Arial"> </font><hr id="yiv0672910513yui_3_16_0_1_1455053254566_3622" size="1"> <b><span style="font-weight:bold;">From:</span></b> hank pronk via Personal_Submersibles <personal_submersibles@psubs.org><br clear="none"> <b id="yiv0672910513yui_3_16_0_1_1455053254566_4063"><span id="yiv0672910513yui_3_16_0_1_1455053254566_4062" style="font-weight:bold;">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br clear="none"> <b id="yiv0672910513yui_3_16_0_1_1455053254566_3615"><span id="yiv0672910513yui_3_16_0_1_1455053254566_3614" style="font-weight:bold;">Sent:</span></b> Wednesday, February 10, 2016 10:13 AM<br clear="none"> <b id="yiv0672910513yui_3_16_0_1_1455053254566_3617"><span id="yiv0672910513yui_3_16_0_1_1455053254566_3616" style="font-weight:bold;">Subject:</span></b> Re: [PSUBS-MAILIST] Jon's new penetrators<br clear="none"> </div> <div class="yiv0672910513y_msg_container" id="yiv0672910513yui_3_16_0_1_1455053254566_4183"><br clear="none"><div id="yiv0672910513"><div id="yiv0672910513yui_3_16_0_1_1455053254566_4186"><div id="yiv0672910513yui_3_16_0_1_1455053254566_4185" style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;"><div id="yiv0672910513yui_3_16_0_1_1455053254566_4184"><span>Alan,</span></div><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455053254566_4188"><span id="yiv0672910513yui_3_16_0_1_1455053254566_4187">I was thinking snap ring to keep it simple and they are quite reliable, but I am easy. </span></div><div dir="ltr"><span>Hank</span></div> <div class="yiv0672910513qtdSeparateBR"><br clear="none"><br clear="none"></div><div class="yiv0672910513yahoo_quoted" style="display:block;"> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;"> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div class="yiv0672910513yqt9135188818" id="yiv0672910513yqt44704"><div dir="ltr"><font size="2" face="Arial"> On Tuesday, February 9, 2016 1:48 PM, Alan James via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br clear="none"></font></div> <br clear="none"><br clear="none"> <div class="yiv0672910513y_msg_container"><div id="yiv0672910513"><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"><div id="yiv0672910513yui_3_16_0_1_1455044579199_22236"><span>Hank,</span></div><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455044579199_22238"><span id="yiv0672910513yui_3_16_0_1_1455044579199_22237">if you had a snap ring to retain it, if there were any</span></div><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455044579199_22241"><span id="yiv0672910513yui_3_16_0_1_1455044579199_22240">slop or the positioning was slightly out it could fail.</span></div><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455044579199_22244"><span id="yiv0672910513yui_3_16_0_1_1455044579199_22243">Would it be better to put an external thread on the delrin</span></div><div dir="ltr"><span>(by hand) on the portion that protrudes in to the hull</span></div><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455044579199_22246"><span>& tighten it up with a nut.</span></div><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455044579199_22248"><span>Alan</span></div><div class="yiv0672910513qtdSeparateBR" id="yiv0672910513yui_3_16_0_1_1455044579199_22250"><br clear="none"><br clear="none"></div><div class="yiv0672910513yahoo_quoted" id="yiv0672910513yui_3_16_0_1_1455044579199_22255" style="display:block;"> <div id="yiv0672910513yui_3_16_0_1_1455044579199_22254" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div id="yiv0672910513yui_3_16_0_1_1455044579199_22253" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div class="yiv0672910513yqt3631046034" id="yiv0672910513yqt11777"><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455044579199_22252"> <font id="yiv0672910513yui_3_16_0_1_1455044579199_22251" size="2" face="Arial"> </font><hr size="1"> <b><span style="font-weight:bold;">From:</span></b> hank pronk via Personal_Submersibles <personal_submersibles@psubs.org><br clear="none"> <b><span style="font-weight:bold;">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br clear="none"> <b><span style="font-weight:bold;">Sent:</span></b> Wednesday, February 10, 2016 5:42 AM<br clear="none"> <b><span style="font-weight:bold;">Subject:</span></b> Re: [PSUBS-MAILIST] Jon's new penetrators<br clear="none"> </div> <div class="yiv0672910513y_msg_container" id="yiv0672910513yui_3_16_0_1_1455044579199_22258"><br clear="none"><div id="yiv0672910513"><div id="yiv0672910513yui_3_16_0_1_1455044579199_22262"><div id="yiv0672910513yui_3_16_0_1_1455044579199_22261" style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;"><div id="yiv0672910513yui_3_16_0_1_1455044579199_22260"><span>Jon,</span></div><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455035750201_4206"><span id="yiv0672910513yui_3_16_0_1_1455035750201_4207">I will have to research drilling size for 1\4 inch, but yes, I will drill under size then run a tap through to make the threads. To keep it simple, I would like to do two o-rings on the bore with an over size end to create a shoulder and then a snap ring to retain it. You would get the penetrator with a hole or holes bored through and three grooves, two for o-rings and one for the snap ring. All you will have to do is cut the rod to length and thread it in with some epoxy on the threads. </span></div><div dir="ltr" id="yiv0672910513yui_3_16_0_1_1455035750201_4205"><span>Hank</span></div> <div class="yiv0672910513qtdSeparateBR" id="yiv0672910513yui_3_16_0_1_1455044579199_22266"><br clear="none"><br clear="none"></div><div class="yiv0672910513yahoo_quoted" id="yiv0672910513yui_3_16_0_1_1455044579199_22270" style="display:block;"> <div id="yiv0672910513yui_3_16_0_1_1455044579199_22269" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;"> <div id="yiv0672910513yui_3_16_0_1_1455044579199_22268" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div class="yiv0672910513yqt4665306230" id="yiv0672910513yqt60377"><div dir="ltr"><font size="2" face="Arial"> On Tuesday, February 9, 2016 8:52 AM, Brian Cox via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br clear="none"></font></div> <br clear="none"><br clear="none"> <div class="yiv0672910513y_msg_container" id="yiv0672910513yui_3_16_0_1_1455044579199_22275"><div id="yiv0672910513"><div id="yiv0672910513yui_3_16_0_1_1455044579199_22274"><div id="yiv0672910513yui_3_16_0_1_1455044579199_22273" style="font-family:Arial, sans-serif;font-size:10pt;"><div id="yiv0672910513yui_3_16_0_1_1455044579199_22272">Hank, so to clarify on the Delrin, a copper threaded rod ( 1/4" for instance) would get threaded into the Delrin? Would you just make an undersized hole then? and the copper rod would form a thread all the way through?</div><div id="yiv0672910513yui_3_16_0_1_1455044579199_22277"> </div><div id="yiv0672910513yui_3_16_0_1_1455044579199_22279">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] Jon's new penetrators<br clear="none">Date: Tue, 9 Feb 2016 00:03:53 +0000 (UTC)<br clear="none"><br clear="none"></div><div class="yiv0672910513yqt3141488161" id="yiv0672910513yqt59300"><div style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;background-color:rgb(255, 255, 255);"><div><span>Jon,</span></div><div><span>Great, if you can give me the </span>measurements I can whip them up for you and you can thread the rods in. Also let me know the grade of Derlin and I will see if I can get it here.</div><div>Hank</div> <div><br clear="none"><br clear="none"></div><div style="display:block;"> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;"> <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 Monday, February 8, 2016 4:31 PM, Jon Wallace via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br clear="none"></font></div> <br clear="none"><br clear="none"> <div><div><div>
<div><br clear="none">
Don't have calipers but will get a good one soon so I can get some
measurements.<br clear="none">
<br clear="none">
Jon<br clear="none">
<br clear="none">
<br clear="none">
On 2/7/2016 10:27 PM, hank pronk via Personal_Submersibles wrote:<br clear="none">
</div>
<div><blockquote>
<div style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;background-color:rgb(255, 255, 255);">
<div>Jon,</div>
<div dir="ltr">I just
realized that your penetrator holes are in the aft head, so my
last idea is bad! Derlin is the way to go. Do you have a
caliber to get some accurate measurements? </div>
<div dir="ltr"><br clear="none">
</div>
<div dir="ltr">Hank</div>
</div>
<br clear="none">
</blockquote></div>
<br clear="none">
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