<html><body><div style="color:#000; background-color:#fff; font-family:tahoma, new york, times, serif;font-size:12pt"><div style="RIGHT: auto"><SPAN style="RIGHT: auto">Thanks' Vance</SPAN></div>
<div style="FONT-SIZE: 16px; FONT-FAMILY: tahoma, new york, times, serif; RIGHT: auto; COLOR: rgb(0,0,0); FONT-STYLE: normal; BACKGROUND-COLOR: transparent"><SPAN style="RIGHT: auto">The next job is sanding the entire inside of the hull for new paint, so if your bored?? :-)</SPAN></div>
<div style="FONT-SIZE: 16px; FONT-FAMILY: tahoma, new york, times, serif; RIGHT: auto; COLOR: rgb(0,0,0); FONT-STYLE: normal; BACKGROUND-COLOR: transparent"><SPAN style="RIGHT: auto">Hank<VAR id=yui-ie-cursor></VAR></SPAN></div>
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<DIV class=hr style="FONT-SIZE: 0px; BORDER-TOP: #ccc 1px solid; HEIGHT: 0px; BORDER-RIGHT: #ccc 1px solid; BORDER-BOTTOM: #ccc 1px solid; PADDING-BOTTOM: 0px; PADDING-TOP: 0px; PADDING-LEFT: 0px; MARGIN: 5px 0px; BORDER-LEFT: #ccc 1px solid; LINE-HEIGHT: 0; PADDING-RIGHT: 0px" readonly="true" contenteditable="false"></DIV><FONT size=2 face=Arial><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> Vance Bradley <Vbra676539@AOL.com><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> Thursday, September 19, 2013 3:11:27 PM<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [PSUBS-MAILIST] hydraulics<BR></FONT></DIV>
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<DIV>Sounds great, Hank. I knew Gamma was going to a good home!</DIV>
<DIV style="RIGHT: auto">Vance<BR><BR>Sent from my iPhone</DIV>
<DIV><BR>On Sep 19, 2013, at 4:55 PM, hank pronk <<A href="mailto:hanker_20032000@yahoo.ca" rel=nofollow target=_blank ymailto="mailto:hanker_20032000@yahoo.ca">hanker_20032000@yahoo.ca</A>> wrote:<BR><BR></DIV>
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<DIV><SPAN>Vance,</SPAN></DIV>
<DIV style="FONT-SIZE: 16px; FONT-FAMILY: tahoma, new york, times, serif; COLOR: rgb(0,0,0); FONT-STYLE: normal; BACKGROUND-COLOR: transparent"><SPAN>I almost forgot,,, I have the entire drive unit rebuilt and painted for final assembly. I figured out how the seal works . It uses an<VAR id=yiv1352514726yui-ie-cursor></VAR> 891 Chesterton mechanical seal (600psi) . I will put it back together this weekend. I machined a cap that goes over the propeller shaft so I can pressure test the seal with the motor running.</SPAN></DIV>
<DIV style="FONT-SIZE: 16px; FONT-FAMILY: tahoma, new york, times, serif; COLOR: rgb(0,0,0); FONT-STYLE: normal; BACKGROUND-COLOR: transparent"><SPAN>Hank</SPAN></DIV>
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<DIV class=yiv1352514726hr style="FONT-SIZE: 0px; BORDER-TOP: #ccc 1px solid; HEIGHT: 0px; BORDER-RIGHT: #ccc 1px solid; BORDER-BOTTOM: #ccc 1px solid; PADDING-BOTTOM: 0px; PADDING-TOP: 0px; PADDING-LEFT: 0px; MARGIN: 5px 0px; BORDER-LEFT: #ccc 1px solid; LINE-HEIGHT: 0; PADDING-RIGHT: 0px"></DIV><FONT size=2 face=Arial><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> Vance Bradley <<A href="mailto:Vbra676539@AOL.com" rel=nofollow target=_blank ymailto="mailto:Vbra676539@AOL.com">Vbra676539@AOL.com</A>><BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> Personal Submersibles General Discussion <<A href="mailto:personal_submersibles@psubs.org" rel=nofollow target=_blank ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>> <BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Thursday, September 19, 2013 2:40:53 PM<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [PSUBS-MAILIST]
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<DIV>I agree, bit wear. And tear can cause weeping and it will weep to the path of least resistance. Just something to keep on mind for those experimenting for the first time (or thereabouts).</DIV>
<DIV>Vance<BR><BR>Sent from my iPhone</DIV>
<DIV><BR>On Sep 19, 2013, at 4:27 PM, hank pronk <<A href="mailto:hanker_20032000@yahoo.ca" rel=nofollow target=_blank ymailto="mailto:hanker_20032000@yahoo.ca"><A href="mailto:hanker_20032000@yahoo.ca" rel=nofollow target=_blank ymailto="mailto:hanker_20032000@yahoo.ca">hanker_20032000@yahoo.ca</A></A>> wrote:<BR><BR></DIV>
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<DIV><SPAN>Vance,</SPAN></DIV>
<DIV style="FONT-SIZE: 16px; FONT-FAMILY: tahoma, new york, times, serif; COLOR: rgb(0,0,0); FONT-STYLE: normal; BACKGROUND-COLOR: transparent"><SPAN>Agreed, but there is a way to avoid this without compensation. You must use cheap hydraulic cylinders because they use an o-ring on the shaft instead of a wiper seal. A wiper seal needs pressure on one side to seal against water intrusion. With an o-ring seal that is not the case, an o-ring is a non directional seal. Essentially the hydraulic cylinder with an o-ring seal is exactly the same as a reach rod sealing system. <VAR id=yiv1352514726yui-ie-cursor></VAR></SPAN></DIV>
<DIV style="FONT-SIZE: 16px; FONT-FAMILY: tahoma, new york, times, serif; COLOR: rgb(0,0,0); FONT-STYLE: normal; BACKGROUND-COLOR: transparent"><SPAN>Hank</SPAN></DIV>
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<DIV class=yiv1352514726hr style="FONT-SIZE: 0px; BORDER-TOP: #ccc 1px solid; HEIGHT: 0px; BORDER-RIGHT: #ccc 1px solid; BORDER-BOTTOM: #ccc 1px solid; PADDING-BOTTOM: 0px; PADDING-TOP: 0px; PADDING-LEFT: 0px; MARGIN: 5px 0px; BORDER-LEFT: #ccc 1px solid; LINE-HEIGHT: 0; PADDING-RIGHT: 0px"></DIV><FONT size=2 face=Arial><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> "<A href="mailto:vbra676539@aol.com" rel=nofollow target=_blank ymailto="mailto:vbra676539@aol.com"><A href="mailto:vbra676539@aol.com" rel=nofollow target=_blank ymailto="mailto:vbra676539@aol.com">vbra676539@aol.com</A></A>" <<A href="mailto:vbra676539@aol.com" rel=nofollow target=_blank ymailto="mailto:vbra676539@aol.com"><A href="mailto:vbra676539@aol.com" rel=nofollow target=_blank ymailto="mailto:vbra676539@aol.com">vbra676539@aol.com</A></A>><BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> <A href="mailto:personal_submersibles@psubs.org" rel=nofollow target=_blank
ymailto="mailto:personal_submersibles@psubs.org"><A href="mailto:personal_submersibles@psubs.org" rel=nofollow target=_blank ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A></A> <BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Thursday, September 19, 2013 9:10:55 AM<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [PSUBS-MAILIST] hydraulics<BR></FONT></DIV>
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<DIV><FONT style="BACKGROUND-COLOR: transparent">Hank and all,</FONT></DIV>
<DIV>The issue is overall system pressure versus ambient pressure. If you have a hydraulic unit that builds pressure only when it is activated, and returns to zero when static, then any, and I mean ANY leak point will allow water to creep into your oil. A spring loaded compensator preset to your max ambient plus a little would mitigate that by maintaining system pressure at whatever you set it for.</DIV>
<DIV>Vance</DIV>
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<DIV style="FONT-SIZE: 10pt; FONT-FAMILY: arial, helvetica; COLOR: black">-----Original Message-----<BR>From: hank pronk <<A href="mailto:hanker_20032000@yahoo.ca" rel=nofollow target=_blank ymailto="mailto:hanker_20032000@yahoo.ca"><A href="mailto:hanker_20032000@yahoo.ca" rel=nofollow target=_blank ymailto="mailto:hanker_20032000@yahoo.ca">hanker_20032000@yahoo.ca</A></A>><BR>To: Personal Submersibles General Discussion <<A href="mailto:personal_submersibles@psubs.org" rel=nofollow target=_blank ymailto="mailto:personal_submersibles@psubs.org"><A href="mailto:personal_submersibles@psubs.org" rel=nofollow target=_blank ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A></A>><BR>Sent: Thu, Sep 19, 2013 3:22 am<BR>Subject: Re: [PSUBS-MAILIST] hydraulics<BR><BR>
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<DIV><SPAN>H Alan,</SPAN></DIV>
<DIV style="FONT-SIZE: 16px; FONT-FAMILY: tahoma, new york, times, serif; COLOR: rgb(0,0,0); FONT-STYLE: normal; BACKGROUND-COLOR: transparent"><SPAN>Bicycle brakes would probably work quite well because they are made from very good material. </SPAN></DIV>
<DIV style="FONT-SIZE: 16px; FONT-FAMILY: tahoma, new york, times, serif; COLOR: rgb(0,0,0); FONT-STYLE: normal; BACKGROUND-COLOR: transparent"><SPAN>Hank<VAR id=yiv1352514726yui-ie-cursor></VAR></SPAN></DIV>
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<DIV class=yiv1352514726hr style="FONT-SIZE: 0px; BORDER-TOP: rgb(204,204,204) 1px solid; HEIGHT: 0px; BORDER-RIGHT: rgb(204,204,204) 1px solid; BORDER-BOTTOM: rgb(204,204,204) 1px solid; PADDING-BOTTOM: 0px; PADDING-TOP: 0px; PADDING-LEFT: 0px; MARGIN: 5px 0px; BORDER-LEFT: rgb(204,204,204) 1px solid; LINE-HEIGHT: 0; PADDING-RIGHT: 0px"></DIV><FONT size=2 face=Arial><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> Alan <<A href="mailto:alanlindsayjames@yahoo.com" rel=nofollow target=_blank ymailto="mailto:alanlindsayjames@yahoo.com"></A><A href="mailto:alanlindsayjames@yahoo.com" rel=nofollow target=_blank ymailto="mailto:alanlindsayjames@yahoo.com"><A href="mailto:alanlindsayjames@yahoo.com" rel=nofollow target=_blank ymailto="mailto:alanlindsayjames@yahoo.com">alanlindsayjames@yahoo.com</A></A>><BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> Personal Submersibles General Discussion <<A href="mailto:personal_submersibles@psubs.org"
rel=nofollow target=_blank ymailto="mailto:personal_submersibles@psubs.org"></A><A href="mailto:personal_submersibles@psubs.org" rel=nofollow target=_blank ymailto="mailto:personal_submersibles@psubs.org"><A href="mailto:personal_submersibles@psubs.org" rel=nofollow target=_blank ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A></A>> <BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Wednesday, September 18, 2013 11:55:49 PM<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [PSUBS-MAILIST] hydraulics<BR></FONT></DIV>
<DIV class=yiv1352514726y_msg_container><BR>Hi Brian,<BR>I've wondered about this also.<BR>I was looking at the hydraulic brakes they have on bicycles now days &<BR>wondering if you could adapt them for functions like releasing emergency<BR>bouys or similar. The manual hydraulics they have on boats, like steering units<BR>are pretty expensive. Would be good to find something of suitable material<BR>off the shelf hat could be used.<BR>Alan<BR>.<BR>Sent from my iPad<BR><BR>On 16/09/2013, at 5:28 AM, "brian" <<A href="mailto:brian@ojaivalleybeefarm.com" rel=nofollow target=_blank ymailto="mailto:brian@ojaivalleybeefarm.com"></A><A href="mailto:brian@ojaivalleybeefarm.com" rel=nofollow target=_blank ymailto="mailto:brian@ojaivalleybeefarm.com"><A href="mailto:brian@ojaivalleybeefarm.com" rel=nofollow target=_blank ymailto="mailto:brian@ojaivalleybeefarm.com">brian@ojaivalleybeefarm.com</A></A>> wrote:<BR><BR>> I wonder if those human
powered hydraulics could have an application for our boats, like the cats in the America's cup.<BR>> <BR>> Brian<BR>> _______________________________________________<BR>> Personal_Submersibles mailing list<BR>> <A href="mailto:Personal_Submersibles@psubs.org" rel=nofollow target=_blank ymailto="mailto:Personal_Submersibles@psubs.org"></A><A href="mailto:Personal_Submersibles@psubs.org" rel=nofollow target=_blank ymailto="mailto:Personal_Submersibles@psubs.org"><A href="mailto:Personal_Submersibles@psubs.org" rel=nofollow target=_blank ymailto="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</A></A><BR>> <A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" rel=nofollow target=_blank></A><A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" rel=nofollow target=_blank><A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" rel=nofollow
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