<DIV style="font-family:Arial, sans-serif; font-size:10pt;"><DIV>Just have a few more holes to bunch into this thing and then start rapping things up !</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] o-ring groove<BR>Date: Thu, 13 Aug 2015 02:04:35 +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>Brian,</SPAN></DIV><DIV><SPAN>Agreed, I was surprised at the lee way, I tend to go to the tight end of the </SPAN>tolerance, because they only turn a bit and slowly.</DIV><DIV>You should go visit your daughter, then come up for a dive day</DIV><DIV>Hank</DIV> <BR><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 Wednesday, August 12, 2015 7:01 PM, Brian Cox via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<BR> </FONT> </DIV> <BR><BR> <DIV><DIV><DIV><DIV style="font-family: Arial, sans-serif; font-size: 10pt;"><DIV>There is a fair amount of fudging involved with those o rings. You should obviously strive to get everything as close as possible to the specs, but when you look at the tolerances with respect to the squeeze there is a certain amount of lee way. The smaller width of the o ring itself the less fudging you can do.</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] o-ring groove<BR>Date: Wed, 12 Aug 2015 23:33:13 +0000 (UTC)<BR><BR></DIV><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>Brian,</SPAN></DIV><DIV><SPAN>Off hand I don't </SPAN>remember the dimensions, but I am going with .125 o-rings. I use an o-ring groove guide to determine the groove size.</DIV><DIV>When I made the groove in my Q ball I made a boring tool and ground the carbide to the exact size and just sank it in, but the Q ball is very soft.</DIV><DIV>Hank</DIV> <BR><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 Wednesday, August 12, 2015 4:27 PM, Brian Cox via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<BR> </FONT> </DIV> <BR><BR> <DIV><DIV><DIV><DIV style="font-family: Arial, sans-serif; font-size: 10pt;"><DIV>You can do it like you suggest, in fact that is how it is usually done, I believe. What are the dimensions of the groove you need?</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: [PSUBS-MAILIST] o-ring groove<BR>Date: Wed, 12 Aug 2015 22:16:12 +0000 (UTC)<BR><BR></DIV><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>Brian,</DIV><DIV>Did you sort out the boring bar for cutting inside o-ring grooves? I need to do the same and could use some advice, I was going to make a boring bar cutter with a very narrow cutter, narrower than the required groove and do multiple cuts. I tried to make a groove cutter that was the full groove width but it was to much. </DIV><DIV>Hank</DIV></DIV></DIV>_______________________________________________
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