<DIV style="font-family:Arial, sans-serif; font-size:10pt;">Where are you located Al ?<BR><BR>--- personal_submersibles@psubs.org wrote:<BR><BR>From: Al Secor via Personal_Submersibles <personal_submersibles@psubs.org><BR>To: Personal Submersibles General Discussion <personal_submersibles@psubs.org><BR>Subject: Re: [PSUBS-MAILIST] Gamma ring machining<BR>Date: Sun, 8 Mar 2015 01:06:15 +0000 (UTC)<BR><BR><DIV style="color: rgb(0, 0, 0); font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);">I've been a ham for 45 years....WA3PWX<BR><DIV><SPAN></SPAN></DIV><DIV> </DIV><DIV><DIV>Al Secor</DIV></DIV><BR> <DIV style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <DIV style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <DIV dir="ltr"> <HR size="1"> <FONT face="Arial" size="2"> <B><SPAN style="font-weight: bold;">From:</SPAN></B> via Personal_Submersibles <personal_submersibles@psubs.org><BR> <B><SPAN style="font-weight: bold;">To:</SPAN></B> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <BR> <B><SPAN style="font-weight: bold;">Sent:</SPAN></B> Saturday, March 7, 2015 6:32 PM<BR> <B><SPAN style="font-weight: bold;">Subject:</SPAN></B> Re: [PSUBS-MAILIST] Gamma ring machining<BR> </FONT> </DIV> <DIV><BR>I'm a ham in Sacramento, Ca.<BR><BR>Keith<BR>K6FEE<BR><BR>Hugh Fulton via Personal_Submersibles <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>> wrote:<BR><BR>>Hi Brian,<BR>><BR>>I have a Ham guy working with me.<BR>><BR>>Contact me off line. <A href="mailto:hc.fulton@gmail.com">hc.fulton@gmail.com</A><BR>><BR>> <BR>><BR>>Hugh<BR>><BR>> <BR>><BR>>From: Personal_Submersibles [mailto:<A href="mailto:personal_submersibles-bounces@psubs.org">personal_submersibles-bounces@psubs.org</A>] On Behalf Of Brian Cox via Personal_Submersibles<BR>>Sent: Sunday, 8 March 2015 10:10 a.m.<BR>>To: Personal Submersibles General Discussion<BR>>Subject: Re: [PSUBS-MAILIST] Gamma ring machining<BR>><BR>> <BR>><BR>>Hey Alan,<BR>><BR>> Do you know any Ham radio guys down there ?<BR>><BR>> <BR>><BR>> <BR>><BR>>Brian,<BR>><BR>> <BR>><BR>>KK6IRC<BR>><BR>> <BR>><BR>>73<BR>><BR>>--- <A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A> wrote:<BR>><BR>>From: Alan James via Personal_Submersibles <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>><BR>>To: Personal Submersibles General Discussion <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>><BR>>Subject: Re: [PSUBS-MAILIST] Gamma ring machining<BR>>Date: Sat, 7 Mar 2015 19:09:51 +0000 (UTC)<BR>><BR>>Hank,<BR>><BR>>had a quick search but couldn't find any suitable lapping<BR>><BR>>solution for a home builder. There were referances to thick<BR>><BR>>plate glass with a bonded diamond surface & marble as<BR>><BR>>lapping plates.<BR>><BR>>Alan<BR>><BR>> <BR>><BR>> _____ <BR>><BR>>From: hank pronk via Personal_Submersibles <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>><BR>>To: Personal Submersibles General Discussion <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>> <BR>>Sent: Saturday, March 7, 2015 11:29 PM<BR>>Subject: Re: [PSUBS-MAILIST] Gamma ring machining<BR>><BR>><BR>><BR>>Alan,<BR>>I have been told that it would work, but I am not convinced. I would think the machined disk needs to be harder so it does not wear down. Honestly I just don't know. <BR>>Hank--------------------------------------------<BR>>On Fri, 3/6/15, Alan James via Personal_Submersibles <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>> wrote:<BR>><BR>>Subject: Re: [PSUBS-MAILIST] Gamma ring machining<BR>>To: "Personal Submersibles General Discussion" <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>><BR>>Received: Friday, March 6, 2015, 9:30 PM<BR>><BR>>So<BR>>do you think it would work with a flatsheet<BR>>rotating on your reinforcing ring?I<BR>>had thought of doing this with the hatch & landing,<BR>>toget a<BR>>perfect seal, not sure if I would need an orbital<BR>>motionor<BR>>not.Alan<BR>> <BR>> From: hank pronk via<BR>>Personal_Submersibles<BR>><<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>><BR>><BR>>To: Personal<BR>>Submersibles General Discussion<BR>><<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>> <BR>><BR>>Sent:<BR>>Saturday, March 7, 2015 12:52 PM<BR>> Subject: Re:<BR>>[PSUBS-MAILIST] Gamma ring machining<BR>><BR>> <BR>><BR>>Alan,<BR>>Yes I<BR>>have done lapping in the past. I mostly lap valves in<BR>>engines. It works great on two tapered faces. <BR>>Hank--------------------------------------------<BR>>On Fri, 3/6/15, Alan James via<BR>>Personal_Submersibles <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>><BR>>wrote:<BR>><BR>> Subject: Re:<BR>>[PSUBS-MAILIST] Gamma ring machining<BR>> To:<BR>>"Personal Submersibles General Discussion" <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>><BR>> Received: Friday, March 6, 2015, 6:39 PM<BR>> <BR>> Hank,are you<BR>> familiar with lapping?Rubbing<BR>><BR>>two surfaces together with abrasive paste in<BR>> betweenhttp://en.wikipedia.org/wiki/Lapping<BR>> Haven't<BR>> done it but have<BR>>seen it in operation; you can get a very<BR>><BR>>smoothsurface<BR>> with this technique. Not sure<BR>>if you could adapt it to your<BR>> newflange<BR>> facing machine.The<BR>> machine I<BR>>saw in operation was slow but required very little<BR>> attention.Alan<BR>> <BR>> <BR>> From: hank pronk<BR>>via<BR>> Personal_Submersibles<BR>><BR>><<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>><BR>> <BR>> To: Personal<BR>> Submersibles General Discussion<BR>> <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>><BR>><BR>> <BR>> Sent:<BR>><BR>>Saturday, March 7, 2015 12:18 PM<BR>> Subject:<BR>>Re:<BR>> [PSUBS-MAILIST] Gamma ring machining<BR>> <BR>> <BR>><BR>>Steve,<BR>> I am half way done<BR>><BR>>building my flange facing machine, I should be mostly<BR>>done<BR>> tomorrow. My rig already weighs<BR>>about 700 lbs. I think<BR>> it is important<BR>>that it is heavy and mine is built heavier<BR>><BR>>than the ones on YouTube. If it fails I can do as you<BR>> mention. I actually did exactly what you say<BR>>on<BR>> Gamma's window frames. I used paint<BR>>and glass with fine<BR>> wet sand paper. I would<BR>>guess the SS ring was much harder<BR>> than the<BR>>516-70 I have.<BR>> Hank<BR>><BR>>--------------------------------------------<BR>> On Fri, 3/6/15, Stephen Fordyce via<BR>> Personal_Submersibles <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>><BR>> wrote:<BR>> <BR>> <BR>>Subject: Re:<BR>> [PSUBS-MAILIST] Gamma ring<BR>>machining<BR>> To:<BR>><BR>>"Personal Submersibles General Discussion" <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>><BR>> Received: Friday, March 6, 2015, 4:06 PM<BR>> <BR>> Hi Hank,<BR>> <BR>> <BR>> We used<BR>>a flame facing machine recently at<BR>> work to<BR>>do a<BR>> stainless steel flange on a<BR>> pressure vessel about 800mm ID.<BR>> We hired it<BR>> to use<BR>>ourselves at great expense, and the thing<BR>> <BR>>weighed a couple of hundred kilos, was very<BR>><BR>>solid.<BR>> The fitter who did the job was<BR>>very<BR>> experienced<BR>> <BR>>machinist (but hadn't used<BR>> one before)<BR>>but could not get<BR>> the finish<BR>> very smooth - I can't find photos sorry,<BR>>but<BR>> it was like regular machining grooves<BR>>but much<BR>> larger - and<BR>> it<BR>>looked pretty ordinary. He<BR>> spent several<BR>>hours with a<BR>> grinder cleaning<BR>> it up.<BR>> On balance, it<BR>>probably would have<BR>> been easier<BR>> to just flatten it manually<BR>><BR>>with a grinder (but it was on a<BR>> live<BR>> liquefied natural gas plant and they don't<BR>>like<BR>> sparks:) ). Wasn't critical to<BR>>get a flat<BR>> face as we<BR>> <BR>>were just making room for a<BR>> gasket in a<BR>>slot to have more<BR>> <BR>><BR>>compression.<BR>> After getting it pretty<BR>>flat<BR>> with a straight<BR>> <BR>>edge, the fine<BR>> stuff/quality control could<BR>>be done by a thin<BR>> layer of paint on a<BR>>known flat plate or<BR>> machined flange<BR>> which you put on the welded<BR>><BR>>flange and then where there is<BR>> no<BR>>paint<BR>> deposited, you know that area is too<BR>>low. Obviously<BR>> paint is no good, but<BR>>colored oil or 2-layered<BR>> carbon paper<BR>> (nice because then you have a<BR>> trace of it) would probably<BR>> <BR>>work, or<BR>> charcoal.<BR>> <BR>>Cheers,<BR>> <BR>> Steve<BR>> On 06/03/2015 11:40<BR>> PM,<BR>> "hank pronk via<BR>><BR>>Personal_Submersibles" <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>><BR>> wrote:<BR>> Brian,<BR>> <BR>> No, the machine is<BR>>connected<BR>> to the inside lip of the<BR>> ring. The<BR>> machine rotates<BR>>on a center pivot. The cutter<BR>> rotates<BR>>instead of the part.<BR>> <BR>> <BR>> Hank<BR>> <BR>><BR>><BR>><BR>>--------------------------------------------<BR>> <BR>> On Thu, 3/5/15, Brian<BR>>Cox<BR>> via Personal_Submersibles <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>><BR>> wrote:<BR>> <BR>> <BR>> <BR>> <BR>> Subject: Re:<BR>> [PSUBS-MAILIST] Gamma ring<BR>>machining<BR>> <BR>> To:<BR>>"Personal Submersibles General<BR>><BR>>Discussion"<BR>> <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>><BR>> <BR>> Received: Thursday,<BR>>March<BR>> 5, 2015, 9:15 PM<BR>> <BR>><BR>> <BR>> <BR>> <BR>> Hank, are you going to<BR>> be<BR>> <BR>> turning the whole<BR>> fricking sub ?<BR>> <BR>> <BR>> <BR>> <BR>> Brian<BR>> <BR>> <BR>> <BR>> --- <A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A><BR>> <BR>> wrote:<BR>> <BR>> <BR>> <BR>> <BR>> <BR>> From:<BR>>hank pronk via Personal_Submersibles <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>><BR>> <BR>> To: <A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A><BR>> <BR>> Subject:<BR>>[PSUBS-MAILIST]<BR>> Gamma ring machining<BR>> <BR>> <BR>> Date:<BR>>Thu, 5 Mar 2015 18:00:24 -0800<BR>> <BR>> <BR>> <BR>> <BR>> Today my<BR>> welder came to my shop and<BR>>welded the<BR>> <BR>> reinforcing<BR>> <BR>> ring into<BR>> Gamma, 10 passes, looks perfect!<BR>> <BR>> <BR>> <BR>> Next<BR>> step, machine the<BR>>ring. I am going to make a<BR>> <BR>> flange facing machine from<BR>> a one ton truck full<BR>> <BR>> <BR>> floater differential hub<BR>>and a part or two borrowed<BR>> from<BR>> my<BR>> <BR>> <BR>> spare lathe. The rig will be hydraulic<BR>>drive. <BR>> <BR>> This may<BR>>or may not<BR>> work. :-) If it works and<BR>>I<BR>> <BR>> am confident it<BR>>will, I can also face CT<BR>> lands, with the<BR>> CT<BR>> <BR>> <BR>> welded in place.<BR>> <BR>> <BR>> Hank<BR>> <BR>> <BR>><BR>> _______________________________________________<BR>> <BR>> <BR>> Personal_Submersibles<BR>> mailing list<BR>> <BR>> <A href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</A><BR>> <BR>> <A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A><BR>> <BR>> <BR>> <BR>> <BR>> <BR>> <BR>><BR>> _______________________________________________<BR>> <BR>> <BR>> Personal_Submersibles<BR>> mailing list<BR>> <BR>> <A href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</A><BR>> <BR>> <A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A><BR>> <BR>> <BR>> <BR>> <BR>> <BR>> <BR>><BR>>_______________________________________________<BR>> <BR>> Personal_Submersibles<BR>> mailing list<BR>> <BR>> <A href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</A><BR>> <BR>> <A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A><BR>> <BR>> <BR>> <BR>> -----Inline Attachment Follows-----<BR>><BR>> <BR>><BR>><BR>><BR>><BR>> <BR>> <BR>> <BR>> <BR>><BR>>_______________________________________________<BR>> Personal_Submersibles mailing list<BR>> <A href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</A><BR>> <A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A><BR>> <BR>> <BR>><BR>>_______________________________________________<BR>> Personal_Submersibles mailing list<BR>> <A href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</A><BR>> <A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A><BR>> <BR>> <BR>> <BR>> -----Inline Attachment Follows-----<BR>> <BR>><BR>>_______________________________________________<BR>> Personal_Submersibles mailing list<BR>> <A href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</A><BR>> <A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A><BR>> <BR>><BR>>_______________________________________________<BR>>Personal_Submersibles mailing list<BR>><A href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</A><BR>><A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A><BR>><BR>> <BR>><BR>>-----Inline Attachment Follows-----<BR>><BR>>_______________________________________________<BR>>Personal_Submersibles mailing list<BR>><A href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</A><BR>><A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A><BR>><BR>><BR>>_______________________________________________<BR>>Personal_Submersibles mailing list<BR>><A href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</A><BR>><A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A><BR>><BR>> <BR>><BR>>_______________________________________________ Personal_Submersibles mailing list <A href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</A> <A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles </A><BR>><BR>> <BR>><BR>>__________ Information from ESET NOD32 Antivirus, version of virus signature database 11285 (20150307) __________<BR>><BR>> <BR>><BR>>The message was checked by ESET NOD32 Antivirus.<BR>><BR>> <BR>><BR>><A href="http://www.eset.com/">http://www.eset.com</A><BR>><BR>><BR>>_______________________________________________<BR>>Personal_Submersibles mailing list<BR>><A href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</A><BR>><A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A><BR><BR>_______________________________________________<BR>Personal_Submersibles mailing list<BR><A href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</A><BR><A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A><BR><BR><BR></DIV> </DIV> </DIV> </DIV>_______________________________________________
Personal_Submersibles mailing list
<A href="/eonapps/ft/wm/page/compose?send_to=Personal_Submersibles%40psubs.org">Personal_Submersibles@psubs.org</A>
<A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A>
</DIV>