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<div>Hi Jon,</div><div>Thank you, the port is conical 14in OD and 6 in ID and 3 in thick. The new opening will be 8 inches, so I will just machine the port thinner on the inside. The bearing surface, or conical seat will be shorter also. This will require some math to figure out.</div><div>Hank</div><div><br></div>
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On Friday, July 13, 2018, 6:35:28 PM MDT, Jon Wallace via Personal_Submersibles <personal_submersibles@psubs.org> wrote:
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<div><div dir="ltr">Hank, this is a flat disc port? If so, it doesn’t fit typical recommended configuration by Stachiw which is OD = ID * 1.25<br></div><div dir="ltr"><br></div><div dir="ltr">I have to assume that such a large OD/ID ratio as you have described was used to increase depth capability without getting into a more expensive conical or spherical segment configuration. I dont have access to stachiws book right now to see if he has a calculation based upon the ratio. If nobody answers sooner I’ll look it up Sunday evening when I return home. <br></div><div dir="ltr"><br></div><div dir="ltr">Jon<br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">--------------------------------------------<br></div><div dir="ltr">On Fri, 7/13/18, hank pronk via Personal_Submersibles <<a ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br></div><div dir="ltr"><br></div><div dir="ltr"> Subject: [PSUBS-MAILIST] window opening<br></div><div dir="ltr"> To: "Personal Submersibles General Discussion" <<a ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br></div><div dir="ltr"> Date: Friday, July 13, 2018, 7:09 PM<br></div><div dir="ltr"> <br></div><div dir="ltr"> Hi All,I need<br></div><div dir="ltr"> help to figure out the depth rating of my port in E3000.<br></div><div dir="ltr"> Right now it is a copy of a P6 port at 14 inches<br></div><div dir="ltr"> od and 6 in ID and 3 inches thick. I want to open the<br></div><div dir="ltr"> port frame up to 8 inches ID from 6 inches ID. The<br></div><div dir="ltr"> thickness of the port will reduce by about 1\4 inch.<br></div><div dir="ltr"> I need to know how much this will impact the depth<br></div><div dir="ltr"> rating.Hank_______________________________________________<br></div><div dir="ltr"> Personal_Submersibles mailing list<br></div><div dir="ltr"> <a ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br></div><div dir="ltr"> <a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br></div><div dir="ltr"> <br></div><div dir="ltr"> -----Inline Attachment Follows-----<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 ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br></div><div dir="ltr"><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br></div></div>
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