<font color='black' size='3' face='Arial, Helvetica, sans-serif'><font class="Apple-style-span" size="3">The designer tells me that on reflection, he would make some changes should another Nekton ever be built. A thicker forward and aft hemisphere to get away from the cruciform ribbing for one, and a slightly thicker hatch dish to get rid of those tiny ribs, for another. As Hank will tell you, whoever welded those subs up (and I know who it was) wasn't afraid of welding. And a good bit of it could have been avoided with just the changes mentioned. The dished head ribbing was a belt and suspenders approach from a day long before the computer analysis and risk analysis software that is currently available.</font>
<div><font class="Apple-style-span" size="3">Vance<br>
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<div style="font-family: helvetica, arial; font-size: 10pt; color: black; ">-----Original Message-----<br>
From: hank pronk <hanker_20032000@yahoo.ca><br>
To: Personal Submersibles General Discussion <personal_submersibles@psubs.org><br>
Sent: Tue, Jan 21, 2014 10:26 am<br>
Subject: Re: [PSUBS-MAILIST] new Gamma pictures<br>
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<div><span>James,</span></div>
<div><span>The ribs are for strengthening the dish. The hatch is quite light, mind you it is only 18in dia. </span></div>
<div><span>Hank</span></div>
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<div dir="ltr"> <font face="Arial" size="2"> On Tuesday, January 21, 2014 8:11:46 AM, James Frankland <<a href="mailto:jamesf@guernseysubmarine.com">jamesf@guernseysubmarine.com</a>> wrote:<br>
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<div>Hank,</div>
<div>That would be good actually thanks. Im probably going to make a new hatch soon enough. Ive got a spare dish. What are the ribs doing that are underneath the black locking bars? Are they strengtheners for the dish? or part of the latch mechanism? or a bit of both maybe?</div>
<div>Regards</div>
<div>James<br clear="none"><br clear="none"></div>
<div class="yiv7937477646gmail_quote">On 21 January 2014 13:34, hank pronk <span dir="ltr"><<a href="mailto:hanker_20032000@yahoo.ca" rel="nofollow" shape="rect">hanker_20032000@yahoo.ca</a>></span> wrote:<br clear="none">
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<div><span>James</span></div>
<div><span>Thank you,</span></div>
<div><span>If you like I can take detail pictures of the hatch latch mechanism. You would have no trouble replicating it. </span></div>
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<div><span>Hank </span></div>
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<div dir="ltr"><font face="Arial">On Tuesday, January 21, 2014 2:52:31 AM, James Frankland <<a href="mailto:jamesf@guernseysubmarine.com" rel="nofollow" shape="rect">jamesf@guernseysubmarine.com</a>> wrote:<br clear="none"></font></div>
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<div>Hank,</div>
<div>Gamma looks fantastic! Youve done a great job. Im so jealous of that hatch locking mechanism! </div>
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<div>Havard, pics are on <a target="_blank" href="http://psubs.org/" rel="nofollow" shape="rect">psubs.org</a> in projects. Look for Gamma, or Hank.</div>
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<div>Kind regards</div>
<div>James<br clear="none"><br clear="none"></div>
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<div>On 21 January 2014 08:00, Håvard Hardy <span dir="ltr"><<a href="mailto:haavard.hardy@gmail.com" rel="nofollow" shape="rect">haavard.hardy@gmail.com</a>></span> wrote:<br clear="none">
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<div dir="ltr">where can i see this pictures?:)</div>
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<div>2014/1/21 hank pronk <span dir="ltr"><<a href="mailto:hanker_20032000@yahoo.ca" rel="nofollow" shape="rect">hanker_20032000@yahoo.ca</a>></span><br clear="none">
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<div><span>Joe,</span></div>
<div><span>Thank you, </span></div>
<div><span>The arm is swung into a parallel position when under way. There is reference in the operating information to remove the retaining strap. I assume when in transport the arm is secured in some way. As for when towing, the hydraulic cylinder that controls swing will hold it strait. </span></div>
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<div><span>Hank</span></div>
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<div dir="ltr"><font face="Arial">On Monday, January 20, 2014 6:44:06 PM, Joe Perkel <<a href="mailto:josephperkel@yahoo.com" rel="nofollow" shape="rect">josephperkel@yahoo.com</a>> wrote:<br clear="none">
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<table border="0" cellspacing="0" cellpadding="0"><tbody><tr><td valign="top" rowspan="1" colspan="1">BTW, how flush does that arm fold against the hull for towing and what holds it there?<br clear="none"><br clear="none">Joe<a target="_blank" href="http://overview.mail.yahoo.com/?.src=iOS" rel="nofollow" shape="rect"><br clear="none">
<br clear="none">Sent from Yahoo Mail for iPad</a></td></tr></tbody></table></div>
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<b><span style="font-weight: bold;">From:</span> </b>Joe Perkel <<a href="mailto:josephperkel@yahoo.com" rel="nofollow" shape="rect">josephperkel@yahoo.com</a>>; <br clear="none"><b><span style="font-weight: bold;">To:</span> </b>Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org" rel="nofollow" shape="rect">personal_submersibles@psubs.org</a>>; <br clear="none">
<b><span style="font-weight: bold;">Subject:</span> </b>Re: [PSUBS-MAILIST] new Gamma pictures <br clear="none"><b><span style="font-weight: bold;">Sent:</span> </b>Tue, Jan 21, 2014 1:08:28 AM <br clear="none"></div>
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<div>Hank your commitment and results are an inspiration!</div>
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<div>Kudos also to Vance for insuring that a piece of historical hardware referenced in the Busby text, went to your very capable hands. </div>
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<div>A decision I'm certain was not arbitrary.</div>
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<div>Joe</div>
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<div><br clear="none">On Jan 20, 2014, at 5:27 PM, hank pronk <<a rel="nofollow" shape="rect">hanker_20032000@yahoo.ca</a>> wrote:<br clear="none"><br clear="none"></div>
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<div><span>Thanks' guys, I am pretty pleased with how it is turning out.</span></div>
<div><span>Rick, the arm came with the sub. I rebuilt it, that simply means I took it apart and painted it. I put new seals and rods in the cylinders. Pretty nice set up.</span></div>
<div><span>Hank</span></div>
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<div dir="ltr"><font face="Arial">On Monday, January 20, 2014 3:20:59 PM, Land N Sea <<a rel="nofollow" shape="rect">landnsea1@hawaiiantel.net</a>> wrote:<br clear="none"></font></div>
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<div>Impressive looking manipulator! How did you figure out how long each arm should be, size rams, claw construction, what will be the lifting capacity of the arm fully extended? did you make a VBT up forward to keep the sub trimmed while picking up a load? What are the arms made of? any construction pictures of it while you went? </div>
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<div>Rick</div>
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<div><b>From:</b> <a title="alanlindsayjames@yahoo.com" rel="nofollow" shape="rect">Alan James</a> </div>
<div><b>Sent:</b> Monday, January 20, 2014 12:08 PM</div>
<div><b>To:</b> <a title="personal_submersibles@psubs.org" rel="nofollow" shape="rect">Personal Submersibles General Discussion</a> </div>
<div><b>Subject:</b> Re: [PSUBS-MAILIST] new Gamma pictures</div>
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<div><span>Wow, well done Hank.</span></div>
<div><span>It's great being able to follow the progress.</span></div>
<div><span>I think we should have a psub conference at your place. You have a good collection of subs now.</span></div>
<div><span>We could all dive in one.</span></div>
<div><span>Alan</span></div>
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<font face="Arial"><b><span style="font-weight: bold;">From:</span></b> hank pronk <<a rel="nofollow" shape="rect">hanker_20032000@yahoo.ca</a>><br clear="none"><b><span style="font-weight: bold;">To:</span></b> Personal Submersibles General Discussion <<a rel="nofollow" shape="rect">personal_submersibles@psubs.org</a>> <br clear="none">
<b><span style="font-weight: bold;">Sent:</span></b> Tuesday, January 21, 2014 9:14 AM<br clear="none"><b><span style="font-weight: bold;">Subject:</span></b> [PSUBS-MAILIST] new Gamma pictures<br clear="none"></font></div>
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<div>I just posted four new pictures showing my progress of gamma as promised. I was hoping to operate the manipulator today but the hyd pump is not pumping oil. I am hoping the oil is to heavy and cold to get sucked into the pump, that will be an easy fix.</div>
<div>Hank</div>
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