<DIV style="font-family:Arial, sans-serif; font-size:10pt;"><DIV>Hank, Is that with out the o ring installed? Now you've got me worried, I had to give my hatch a little help by sitting on it when I pulled a vacuum on it. I'm not sure why exactly I'll have to check again.</DIV><DIV> </DIV><DIV>Brian<BR><BR>--- personal_submersibles@psubs.org wrote:<BR><BR>From: hank pronk via Personal_Submersibles <personal_submersibles@psubs.org><BR>To: Personal Submersibles General Discussion <personal_submersibles@psubs.org><BR>Subject: Re: [PSUBS-MAILIST] conical hatch seat troubles<BR>Date: Thu, 1 Dec 2016 15:22:15 +0000 (UTC)<BR><BR></DIV><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>Carsten,</SPAN></DIV><DIV dir="ltr"><SPAN>I can turn it but it is very heavy and wants to wobble in the seat or climb out because it is conical. It is a solution though! Is it </SPAN>necessary though?</DIV><DIV dir="ltr">Hank</DIV> <DIV><BR><BR></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 Thursday, December 1, 2016 4:56 AM, "MerlinSub@t-online.de via Personal_Submersibles" <personal_submersibles@psubs.org> wrote:<BR></FONT></DIV> <BR><BR> <DIV><DIV><DIV><DIV style="margin: 0px;"> </DIV>
<DIV style="margin: 0px;"><SPAN style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 10pt; text-decoration: none;">Hank can you turn the hatch in the seat ? <BR></SPAN></DIV>
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<DIV style="margin: 0px;"><SPAN style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 10pt; text-decoration: none;">3 Peace of sandpater all 120 degree and turning and water dripping from a hose </SPAN></DIV>
<DIV style="margin: 0px;"><SPAN style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 10pt; text-decoration: none;">or later Piston Paste between hatch and seat ? </SPAN></DIV>
<DIV style="margin: 0px;"><SPAN style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 10pt; text-decoration: none;">Making a leaver on the hatch and running the hole day around the submarine?</SPAN></DIV>
<DIV style="margin: 0px;"><SPAN style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 10pt; text-decoration: none;">30 Turns clockwise and 30 turns anticclock. Than again. </SPAN></DIV>
<DIV style="margin: 0px;"><SPAN style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 10pt; text-decoration: none;">Do you have friends liking hard walking? Its a good evening with two friends and some sixpacks of beer</SPAN></DIV>
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<DIV style="margin: 0px;"><SPAN style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 10pt; text-decoration: none;">It was exact that way Emile and I making the final seat of a dome seat. </SPAN></DIV>
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<DIV style="margin: 0px;"><SPAN style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 10pt; text-decoration: none;">vbr Carsten </SPAN></DIV>
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<DIV style="margin: 0px;">Betreff: [PSUBS-MAILIST] conical hatch seat troubles</DIV>
<DIV style="margin: 0px;">Datum: 2016-12-01T12:00:56+0100</DIV>
<DIV><DIV style="margin: 0px;">Von: "hank pronk via Personal_Submersibles" <personal_submersibles@psubs.org></DIV>
<DIV style="margin: 0px;">An: "Personal Submersibles General Discussion" <personal_submersibles@psubs.org></DIV>
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<DIV>Hi All,</DIV>
<DIV dir="ltr">I have a problem with my conical hatch seat. I have discovered that I have a .005 in gap between the hatch and seat in two spots. It seems the seat is oval with a gap at each end. I have no way of measuring this other than placing video cassette tape ribbon strips between the hatch and seat. What I do is, I cut the ribbon into 3 inch strips, then tape them in place so they are hanging over the seat. I put one every two inches, then close the hatch. The ribbons are then trapped tight in the gap. if the ribbons can pull out then there is a gap. Sure enough, I can remove one at the front, so I put two ribbons on top of each other in that spot and it still pulls out. I add another making 3 ribbons thick and it is tight. Then I tried doubling one ribbon in the front and one opposite in the back and they were tight. The conclusion is that the seat is oval by .005 in at each end. I put the hatch back in the lathe and re-faced it, to be sure it is not the hatch. It is the seat, it seems my flange facing machine is not perfect-not a big surprise. This is still very good for a portable home made tool.</DIV>
<DIV dir="ltr">I don't know if this a problem or not, how accurate does this have to be? Will the assembly simply bend? My feeling is the hatch and seat will deform to match under pressure. To put it into perspective, I just measured a hair and that is .01 in. the same as the total gap combined.</DIV>
<DIV dir="ltr">Hank</DIV>
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