<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt"><div><span>Hi Vance, Thanks'</span></div><div><span>I am working on the main seal and shaft tube assembly. My seal is right ahead of the motor as it was originally built. I agree, your idea is better than trapping anti freeze in the tube. I have already rebuilt the tail section. All the parts for that came with Gamma in all those boxes. </span></div><div><span>Hank</span></div><div class="yahoo_quoted" style="display: block;"> <br> <br> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12pt;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12pt;"> <div dir="ltr"> <font face="Arial" size="2"> On Thursday, December 5, 2013
6:43:49 AM, "vbra676539@aol.com" <vbra676539@aol.com> wrote:<br> </font> </div> <div class="y_msg_container"><div id="yiv5898349154"><div><font color="black" face="Arial, Helvetica, sans-serif" size="3"><font class="yiv5898349154Apple-style-span" size="3">Hank,</font>
</font><div><font class="yiv5898349154Apple-style-span" size="3">I don't know about anti freeze on bushings and seals. The ultimate solution for this is to build a seal package like Perry. Basically an inner seal, a bearing, and an outer seal running in sea water. The tube is then filled with oil with an eighth inch line fed through to a pressure gauge inside the boat. If the outer seal fails, the extra pressure while submerged will show in the gauge and alert you. If the inner seal fails, then you get drippy oil. Same deal. In this case, you would replace the bushing with a bearing (to keep metallic particles out of the oil) and then mount your outboard seal on the back plate. It's a pain to set up from scratch, I imagine, but you can build the whole thing on the bench, which should make it do-able.</font></div>
<div><font class="yiv5898349154Apple-style-span" size="3">Vance<br clear="none">
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<div style="color: black; font-family: helvetica, arial; font-size: 10pt;">-----Original Message-----<br clear="none">
From: hank pronk <hanker_20032000@yahoo.ca><br clear="none">
To: Personal Submersibles General Discussion <personal_submersibles@psubs.org><br clear="none">
Sent: Tue, Dec 3, 2013 1:50 pm<br clear="none">
Subject: Re: [PSUBS-MAILIST] Pisces V and I-400<br clear="none">
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<div><span>Vance, Any one</span></div>
<div><span>Gamma has a bushing on the end of the propeller shaft. This bushing runs wet in the water. The bushing is a very snug fit ( the sub came that way). My concern is two fold, I need to make sure the shaft tube is full of water before spinning the seal. The tube will always be half full of water and there could be a air pocket created causing problems for the seal. Also the water left in the tube can freeze up here in the winter. I don't want to put drain lines to the shaft tube because I like that if the seal fails it will take a long time for any amount of water to get past the bushing. My idea is to fill the tube with water and and anti freeze and install a seal outside the bushing.
The tube will always be full and if it is a bit shy, the water will push past the light seal. </span></div>
<div><span>What do you think</span></div>
<div><span>Hank</span></div>
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<div dir="ltr"> <font face="Arial" size="2"> On Tuesday, December 3, 2013 11:11:16 AM, "<a href="mailto:vbra676539@aol.com" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:vbra676539@aol.com">vbra676539@aol.com</a>" <<a href="mailto:vbra676539@aol.com" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:vbra676539@aol.com">vbra676539@aol.com</a>> wrote:<br clear="none">
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<div><font color="black" face="Arial, Helvetica, sans-serif" size="3"><font class="yiv5898349154Apple-style-span" size="3">Maybe I should have gone to work for Terry Kerby when I had the chance?</font>
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<div><font class="yiv5898349154Apple-style-span" size="3">Vance<br clear="none">
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<div style="color: black; font-family: helvetica, arial; font-size: 10pt;">-----Original Message-----<br clear="none">
From: jimtoddpsub <<a href="mailto:jimtoddpsub@aol.com" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:jimtoddpsub@aol.com">jimtoddpsub@aol.com</a>><br clear="none">
To: personal_submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none">
Sent: Tue, Dec 3, 2013 1:02 pm<br clear="none">
Subject: [PSUBS-MAILIST] Pisces V and I-400<br clear="none">
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<div><font size="3" style="background-color: transparent;"><i>Pisces V</i> discovered the resting place of the Japanese submarine <i>I-400</i> just three miles off Barbers Point, Hawaii in August, however the discovery was kept secret until it was cleared with the US State Department for announcement yesterday. The <i>I-400 </i>was one of just a few Japanese aircraft carrier submarines which carried three light bomber aircraft each. They were surrendered at sea at the war's end, but later scuttled to avoid having to grant access to the Russians per treaty. They were twin-hulled and over 400 feet long.</font></div>
<div><font size="3">-Jim</font></div>
<div><a href="http://www.huffingtonpost.com/2013/12/02/japanese-submarine-world-war-ii_n_4375090.html" target="_blank" rel="nofollow" shape="rect">http://www.huffingtonpost.com/2013/12/02/japanese-submarine-world-war-ii_n_4375090.html</a></div>
<div><a href="http://en.wikipedia.org/wiki/Pisces_V" target="_blank" rel="nofollow" shape="rect">http://en.wikipedia.org/wiki/Pisces_V</a></div>
<div><a href="http://en.wikipedia.org/wiki/I-400-class_submarine" target="_blank" rel="nofollow" shape="rect">http://en.wikipedia.org/wiki/I-400-class_submarine</a></div>
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