<div dir="ltr">Hank <div>Yes I like to TIG anything like that, just still kicking myself for not checking their ratings before I got this far. Oh well, if it was easy building a sub, everybody would be doing it.</div><div>I guess you are getting ready to break out the ice picks now due to winter arriving?</div><div>Rick</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Dec 3, 2020 at 6:10 AM hank pronk via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:13px"><div></div>
<div dir="ltr">Rick, that will work, I imagine you will Tig weld those on. Anything else would be tough. I personally can't afford all the fancy SS </div><div dir="ltr">parts and pieces, in fact I just finished making 4 new penetrators with a total of 20 wires and drilled and tapped 4 holes in the hull.</div><div dir="ltr">Hank</div><div><br></div>
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On Wednesday, December 2, 2020, 10:38:22 AM MST, Rick Patton via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:
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<div><div id="gmail-m_-3965371816362208129yiv5494972647"><div><div dir="ltr">I was curious on what made me go with a 1/2" standard NPT female thread for passing all electrical wires thru the hull and using a Subcon strain relief fitting as I knew I wouldn't of just pulled it out of the air and I saw on the K-350 blue prints a couple of fittings that were called out as a 1/2" NPT male thread using a SS schedule 80 nipple. These were to blow down the MBT's and not for any electrical penetrators and there was a thread a long time ago where Subcon popped up so I went to them to order the fittings without doing my homework and asking what they were rated at. Rather than drill them all out and re tap for metric, I will get my local machine shop to make some short ss pieces just long enough to take a blue globe fitting and then weld them on the outside of all my thru hulls to change them over. <div>Rick</div></div><br clear="none"><div><div id="gmail-m_-3965371816362208129yiv5494972647yqt11079"><div dir="ltr">On Tue, Dec 1, 2020 at 5:25 PM hank pronk via Personal_Submersibles <<a rel="nofollow" shape="rect" href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:<br clear="none"></div><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style="font-family:Helvetica,Arial,sans-serif;font-size:13px"><div></div>
<div dir="ltr">Rick,</div><div dir="ltr">I use a cordless drill for that stuff, because I can hold it back from twisting out of my hands.</div><div dir="ltr">Hank</div><div><br clear="none"></div>
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On Tuesday, December 1, 2020, 6:51:12 PM MST, Rick Patton via Personal_Submersibles <<a rel="nofollow" shape="rect" href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:
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<div><div id="gmail-m_-3965371816362208129yiv5494972647gmail-m_-9075280837128419183yiv7211841975"><div><div dir="ltr">Hank<div><br clear="none"></div><div>If I could put the fittings in a vice or milling machine, it would be a no brainer but these are already welded into the hull and so would have to be drilled out free hand with an electric 1/2" drill motor and I broke a finger trying to enlarge a hole as the bit stopped and the motor kept spinning and I wasn't able to let go of it fast enough. Gonna pressure test the ones I have to see at what point they extrude the wire but I still have to either drill out and re tap like you say or have a metric fitting welded to the existing fittings that are already in the sub. </div><div><br clear="none"></div><div>Rick </div></div><br clear="none"><div><div id="gmail-m_-3965371816362208129yiv5494972647gmail-m_-9075280837128419183yiv7211841975yqt25196"><div dir="ltr">On Tue, Dec 1, 2020 at 2:54 PM hank pronk via Personal_Submersibles <<a rel="nofollow" shape="rect" href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:<br clear="none"></div><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style="font-family:Helvetica,Arial,sans-serif;font-size:13px"><div></div>
<div dir="ltr">Rick, </div><div dir="ltr">Drill them out to the closest size and thread them to metric.</div><div dir="ltr">Hank</div><div><br clear="none"></div>
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On Tuesday, December 1, 2020, 10:33:32 AM MST, Rick Patton via Personal_Submersibles <<a rel="nofollow" shape="rect" href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:
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<div><div id="gmail-m_-3965371816362208129yiv5494972647gmail-m_-9075280837128419183yiv7211841975gmail-m_-8353360742762576032yiv2867926445"><div><div dir="ltr">Hank<div><br clear="none"></div><div>No, cost wasn't the factor, it was that I can't find a vendor who makes the fitting in the 1/4" NPT size ss fitting that I had machined and welded into the front dome years ago. 3/8" is the smallest that vendors go down to. All my fittings that accept a strain relief fitting except the two in the front are 1/2". I'll have to go back threw the prints to see where I would of gotten the 1/4" from as I know I wouldn't of just pulled it out of the air. My preference now would be a blue globe fitting as they can take much more pressure but they are made by a German company and only offered in Metric and all my existing threw hulls are a standard NPT thread.</div><div>Rick</div></div><br clear="none"><div><div id="gmail-m_-3965371816362208129yiv5494972647gmail-m_-9075280837128419183yiv7211841975gmail-m_-8353360742762576032yiv2867926445yqt54998"><div dir="ltr">On Tue, Dec 1, 2020 at 12:05 AM hank pronk via Personal_Submersibles <<a rel="nofollow" shape="rect" href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:<br clear="none"></div><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style="font-family:Helvetica,Arial,sans-serif;font-size:13px"><div></div>
<div dir="ltr">Rick, I just did a google search on how well nickel stands up to salt water. Turns out, it is good. I am sure SS is better of coarse, but</div><div dir="ltr">the reality of owning a P Sub is, they are not in the water much. I assume you are asking because they are a lot cheaper. Another reality</div><div dir="ltr">of owning a Psub, they are expensive. I assume you will be putting sacrificial anodes on the hull. I would use them and keep an eye on them. I admit, I am not as concerned about this as others, that is because I am spoiled in fresh water. </div><div dir="ltr">Hank</div>
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On Monday, November 30, 2020, 12:51:26 PM MST, Rick Patton via Personal_Submersibles <<a rel="nofollow" shape="rect" href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:
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<div><div id="gmail-m_-3965371816362208129yiv5494972647gmail-m_-9075280837128419183yiv7211841975gmail-m_-8353360742762576032yiv2867926445gmail-m_-2549280929069253825yiv1719410252"><div dir="ltr">I was wondering if it was OK to use a nickel plated brass strain relief fitting to pass a cable through?<div>Rick</div></div>
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