<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">Jim,</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">that is exactly what I did with my k350 hatch. I didn't have tie rods yet so I put adjusting bolts in the dogs. I intent to change to tie rods from go carts. This is very easy to build. The slide system is the easiest to fabricate though <VAR id=yui-ie-cursor></VAR>and less complicated. Gamma has slides.</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</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> James Frankland <jamesf@guernseysubmarine.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> Tuesday, October 29, 2013 10:20:14 AM<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [PSUBS-MAILIST] Hatch mechanisms<BR></FONT></DIV>
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<DIV>Hi Jim. I reckon i took that picture! unless you took one almost exactly the same! Its the lanzarote sub i think, i remember sending it to someone, Brent i think.</DIV>
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<DIV class=yiv596318319gmail_quote>On 29 October 2013 14:38, <SPAN dir=ltr><<A href="mailto:jimtoddpsub@aol.com" rel=nofollow target=_blank ymailto="mailto:jimtoddpsub@aol.com">jimtoddpsub@aol.com</A>></SPAN> wrote:<WBR>
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<DIV><SPAN><FONT size=3>On this hatch mechanism the dogs pivot instead of sliding. The arms are threaded to adjust the length turnbuckle style.</FONT></SPAN></DIV><SPAN>
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<DIV><SPAN><FONT size=3>For sliding dogs, beveling them where they contact the latch point allows them to progressively tighten as they move into place. The latch points on the tower should either be replaceable or have replaceable wear plates. That also allows you to change the thickness of the wear plates in order to adjust the pressure of the hatch to the landing.</FONT></SPAN></DIV>
<DIV><SPAN><FONT size=3>-Jim</FONT></SPAN></DIV><FONT face="Arial, Helvetica, sans-serif"></FONT></SPAN></DIV>
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<DIV style="FONT-SIZE: 10pt; FONT-FAMILY: arial, helvetica">-----Original Message-----<WBR>From: James Frankland <<A href="mailto:jamesf@guernseysubmarine.com" rel=nofollow target=_blank ymailto="mailto:jamesf@guernseysubmarine.com">jamesf@guernseysubmarine.com</A>><WBR>To: 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>><WBR>Sent: Tue, Oct 29, 2013 6:53 am<WBR>Subject: Re: [PSUBS-MAILIST] K-350 Mods<WBR><WBR>
<DIV>anything like that would be ok by the looks of things. That one is good because it only requires one through hull.<WBR><WBR>
<DIV class=yiv596318319gmail_quote>On 29 October 2013 11:25, Joe Perkel <SPAN dir=ltr><<A href="mailto:josephperkel@yahoo.com" rel=nofollow target=_blank ymailto="mailto:josephperkel@yahoo.com">josephperkel@yahoo.com</A>></SPAN> wrote:<WBR>
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<TD vAlign=top>James,<BR><BR>2400 series, look for drawings at bottom of page for that series. The cast hatches are of no value to us but the mechanisms I believe are.<BR><BR><BR>Joe<BR><BR>Sent from Yahoo! Mail for iPad</TD></TR></TBODY></TABLE>
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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><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN> </B>James Frankland <<A href="mailto:jamesf@guernseysubmarine.com" rel=nofollow target=_blank ymailto="mailto:jamesf@guernseysubmarine.com">jamesf@guernseysubmarine.com</A>>; <WBR><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>>; <WBR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN> </B>Re: [PSUBS-MAILIST] K-350 Mods <WBR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN>
</B>Tue, Oct 29, 2013 11:15:49 AM <WBR></DIV>
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<TD vAlign=top>I cant see the one you mean Joe, is there a product number?<BR clear=none><BR clear=none>
<DIV class=yiv596318319gmail_quote>On 29 October 2013 10:54, Joe Perkel <SPAN dir=ltr><<A href="" shape=rect rel=nofollow>josephperkel@yahoo.com</A>></SPAN> wrote:<WBR>
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<DIV><SPAN>James,</SPAN></DIV>
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<DIV style="FONT-SIZE: 19px; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; FONT-STYLE: normal; BACKGROUND-COLOR: transparent"><SPAN>Ive given thought to the hatch in the past, take a look at freeman marine and look at the cam mechanism with dogs, <A href="http://www.freemanmarine.com/ProductsHatches.htm" shape=rect rel=nofollow target=_blank>http://www.freemanmarine.com/ProductsHatches.htm</A></SPAN></DIV>
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<DIV style="FONT-SIZE: 19px; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; FONT-STYLE: normal; BACKGROUND-COLOR: transparent"><SPAN>Could not a rotating shaft pass through the center to both sides via same <SPAN>thru-</SPAN>hull as side thrusters, with a wheel on both sides and a similar cam <SPAN><SPAN>mechanism</SPAN></SPAN> on the inside? Upward Port moved a bit forward then, and beef up the hinge for extra weight as you said.</SPAN></DIV>
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<DIV><SPAN>Joe</SPAN></DIV>
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<DIV style="FONT-SIZE: 0px; BORDER-TOP: rgb(204,204,204) 1px solid; 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; MIN-HEIGHT: 0px; BORDER-LEFT: rgb(204,204,204) 1px solid; LINE-HEIGHT: 0; PADDING-RIGHT: 0px"></DIV><FONT face=Arial><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> James Frankland <<A href="" shape=rect rel=nofollow>jamesf@guernseysubmarine.com</A>><BR clear=none><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> <A href="" shape=rect rel=nofollow>personal_submersibles@psubs.org</A>; PSUBS Member Discussion Group <<A href="" shape=rect rel=nofollow>member-forum@psubs.org</A>> <BR clear=none><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Tuesday, October 29, 2013 5:55 AM<BR clear=none><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> [PSUBS-MAILIST] K-350 Mods<BR clear=none></FONT></DIV>
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<DIV>Jon\Joe sent a message yesterday i think regarding suggested K-350 modifications.</DIV>
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<DIV>I would suggest these as critical.</DIV>
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<DIV>1. Hatch. Opening from both sides. Worst part of the design I think.</DIV>
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<DIV>2. Hatch bracket. Could do with beefing up, it feels a bit flimsy. Probably could do with some traingular flanges welding on.</DIV>
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<DIV>3. Variable tank mounting. The way the tank mounts is awkward and doesnt allow any adjustment. Much easier and better would be flat horizontal brackets welded to the battery pods that join to corresponding flat brackets on the vbt. Slotted holes on one of the planes would allow the tank to slide forward and back a little to allow that awkward vent to be fitted easily. Also the tank could be just lifted up and on. Very simple change.</DIV>
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<DIV>I think other than that, other modifications are depending on how much trouble you want to go to and cosmetics.</DIV>
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<DIV>For example,</DIV>
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<DIV>I changed the battery pod endcap seals. I had a real pain trying to make them as per the plans. The way i did them in the end with flanges was a lot easier. But probably nothing wrong with the original design.</DIV>
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<DIV>Skids. I didnt like the ones shown, they would just get all the paint knocked off. Again, probably nothing wrong with the original design.</DIV>
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<DIV>I made all the flanges and protrutions from stainless.</DIV>
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<DIV>Electrical penetrators added to the battery pods to eliminate the ones shown on the plans.</DIV>
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<DIV>The 2 extra downward facing viewports i put in are really good. You could do away with the ones at the back and put them there instead if you didnt want to make too many.</DIV>
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<DIV>The dome of course.</DIV>
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<DIV>Overpressure valve.</DIV>
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<DIV>loads of little modifications.</DIV>
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<DIV>I'm at work, and i better get on with some of it, instead of daydreaming about subs!</DIV>
<DIV>Kind Regards</DIV>
<DIV>James</DIV></DIV><WBR></DIV></DIV>_______________________________________________<WBR>Personal_Submersibles mailing list<WBR><A href="" shape=rect rel=nofollow>Personal_Submersibles@psubs.org</A><WBR><A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" shape=rect rel=nofollow target=_blank>http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A><WBR><WBR><WBR></DIV></DIV></DIV></DIV></DIV></DIV><BR clear=none>_______________________________________________<BR clear=none>Personal_Submersibles mailing list<BR clear=none><A href="" shape=rect rel=nofollow>Personal_Submersibles@psubs.org</A><BR clear=none><A href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" shape=rect rel=nofollow target=_blank>http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A><BR clear=none><BR clear=none></BLOCKQUOTE></DIV><BR
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