<DIV style="font-family:Arial, sans-serif; font-size:10pt;"><DIV>Hank, do you know if there are any cheap inertial navigation systems out there? I would thing the robotics people might have something like that .</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] gyro compass<BR>Date: Mon, 27 Jun 2016 21:06:25 +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>Its Aliens, Alan,</SPAN></DIV><DIV dir="ltr"><SPAN>I tried it inside the sub and it tries to work but is totally off. I did squeeze it with the body off to simulate depth and it worked fine in the shop being squeezed. </SPAN></DIV><DIV dir="ltr"><SPAN>Hank</SPAN></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 Monday, June 27, 2016 2:39 PM, Alan James via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<BR></FONT></DIV> <BR><BR> <DIV><DIV><DIV><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);"><DIV><SPAN>Hank,</SPAN></DIV><DIV><SPAN>I think your theory about the UFO is looking good at this stage.</SPAN></DIV><DIV><SPAN>It didn't work at 10ft, that's about 5psi; So have you tried squeezing</SPAN></DIV><DIV dir="ltr"><SPAN>it in various places to replicate that? Or what about mounting it</SPAN></DIV><DIV dir="ltr"><SPAN>inside the hull on a pole in the center of the dome area, as far</SPAN></DIV><DIV dir="ltr"><SPAN>as possible from the hull. If it worked it would eliminate any Alien</SPAN></DIV><DIV dir="ltr"><SPAN>influences & indicate that the water pressure was the problem.</SPAN></DIV><DIV>Alan<BR><BR></DIV><DIV style="display: block;"> <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><DIV dir="ltr"> <FONT face="Arial" size="2"> </FONT><HR size="1"> <B><SPAN style="font-weight: bold;">From:</SPAN></B> hank pronk 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> Monday, June 27, 2016 11:26 PM<BR> <B><SPAN style="font-weight: bold;">Subject:</SPAN></B> Re: [PSUBS-MAILIST] gyro compass<BR> </DIV> <DIV><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>Alan,</SPAN></DIV><DIV dir="ltr"><SPAN>I took my compass apart and it is perfect, it works perfect in my shop etc. I put it in the lake and it is stuck on N most of the time. </SPAN>Occasionally it will move. I think there is some mineral interference or an old sunken UFO messing with it. </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><DIV dir="ltr"><FONT face="Arial" size="2"> On Monday, June 27, 2016 5:11 AM, Alan James via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<BR></FONT></DIV> <BR><BR> <DIV><DIV><DIV><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);"><DIV><SPAN>Hank, </SPAN></DIV><DIV dir="ltr"><SPAN>why would you want a turn & bank indicator above some sought of compass?</SPAN></DIV><DIV dir="ltr"><SPAN>There are a multitude of inexpensive underwater compasses that scuba divers use,</SPAN></DIV><DIV dir="ltr"><SPAN>although they may be a bit small to be read at a distance. Possibly there is some</SPAN></DIV><DIV dir="ltr"><SPAN>issue with the compression of the oil stopping your compass from functioning?</SPAN></DIV><DIV dir="ltr"><SPAN>Mounting the compass outside the hull seems to be standard practice & I haven't</SPAN></DIV><DIV dir="ltr"><SPAN>heard of any failing. Perhaps someone with previous issues with them could comment.</SPAN></DIV><DIV dir="ltr"><SPAN>Alan</SPAN></DIV><DIV dir="ltr"><SPAN></SPAN> </DIV><DIV><BR><BR></DIV><DIV style="display: block;"> <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><DIV dir="ltr"> <FONT face="Arial" size="2"> </FONT><HR size="1"> <B><SPAN style="font-weight: bold;">From:</SPAN></B> hank pronk 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> Monday, June 27, 2016 10:37 PM<BR> <B><SPAN style="font-weight: bold;">Subject:</SPAN></B> Re: [PSUBS-MAILIST] gyro compass<BR> </DIV> <DIV><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>Kieth,</SPAN></DIV><DIV dir="ltr"><SPAN>I stand corrected, a turn and bank indicator is just the ticket and tons of them on </SPAN>eBay for cheap. I was focusing on compass only, but these indicators are much cheaper and more available. </DIV><DIV dir="ltr">Thanks' for the tip</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><DIV dir="ltr"><FONT face="Arial" size="2"> On Sunday, June 26, 2016 6:25 PM, hank pronk via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<BR></FONT></DIV> <BR><BR> <DIV><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>Hi Kieth,</SPAN></DIV><DIV><SPAN>My understanding is the aircraft units are noisy, I assume that is the air units. They are hard to find in guaranteed working condition for a price that works for me. If you know of any for a descent price-please let me know.</SPAN></DIV><DIV><SPAN>Hank</SPAN></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><DIV dir="ltr"><FONT face="Arial" size="2"> On Sunday, June 26, 2016 6:16 PM, k6fee via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<BR></FONT></DIV> <BR><BR> <DIV><DIV><DIV><DIV>Hank, </DIV><DIV><BR></DIV><DIV>Try using a gyro compass ( or atifical horizon) from an aircraft. They sre either air, vaccum or electric powered.</DIV><DIV><BR></DIV><DIV>Keith </DIV><DIV><BR></DIV><DIV><BR></DIV><DIV><BR></DIV><DIV><DIV style="color: rgb(87, 87, 87); font-size: 85%;">Sent from my Verizon, Samsung Galaxy smartphone</DIV></DIV><DIV><BR></DIV><DIV><DIV style="color: rgb(0, 0, 0); font-size: 100%;"><DIV>-------- Original message --------</DIV><DIV>From: hank pronk via Personal_Submersibles <personal_submersibles@psubs.org> </DIV><DIV>Date: 6/26/16 4:11 PM (GMT-08:00) </DIV><DIV>To: Personal Submersibles General Discussion <personal_submersibles@psubs.org> </DIV><DIV>Subject: [PSUBS-MAILIST] gyro compass </DIV><DIV><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 dir="ltr">I am going to try to make a gyro compass, looks doable. I don't care about what direction I am going-I just want to go in a strait line. I will point the sub in the direction I want to go at the surface, then turn on the gyro and sink. Then I can just follow the gyro.</DIV><DIV>Hank</DIV></DIV></DIV></DIV></DIV><BR><DIV>_______________________________________________<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></DIV><BR><BR></DIV></DIV> </DIV> </DIV> </DIV></DIV></DIV></DIV><BR><DIV>_______________________________________________<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></DIV><BR><BR></DIV></DIV> </DIV> </DIV> </DIV></DIV></DIV></DIV><BR><DIV>_______________________________________________<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></DIV><BR><BR></DIV></DIV> </DIV> </DIV> </DIV></DIV></DIV></DIV><BR><DIV>_______________________________________________<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></DIV><BR><BR></DIV></DIV> </DIV> </DIV> </DIV></DIV></DIV></DIV><BR><DIV>_______________________________________________<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></DIV><BR><BR></DIV></DIV> </DIV> </DIV> </DIV></DIV></DIV></DIV><BR><DIV>_______________________________________________<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></DIV><BR><BR></DIV> </DIV> </DIV> </DIV></DIV>_______________________________________________
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