<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></head><body><div>Hatch closure from both sides deffenetly a good one. I would say adjustable exterior weights. I hate the idea on chucking weights on the floor and then sitting on them. I am torn between that and moving the hp air tanks to the exterior to allow alot more room on the inside.</div><div>Thanks,</div><div>Scott Waters</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><div style="font-size:75%;color:#575757">Sent from my U.S. Cellular© Smartphone</div></div> <br>hank pronk <hanker_20032000@yahoo.ca> wrote:<br><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">Joe,</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">Why don't you take a vote on what the best improvement would be for a k sub or alike. My vote would be for a hatch closure from both sides.</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"></div><font size="2" face="Arial"><b><span style="FONT-WEIGHT: bold">From:</span></b> Joe Perkel <josephperkel@yahoo.com><br><b><span style="FONT-WEIGHT: bold">To:</span></b> "personal_submersibles@psubs.org" <personal_submersibles@psubs.org> <br><b><span style="FONT-WEIGHT: bold">Sent:</span></b> Monday, October 28, 2013 5:41:42 AM<br><b><span style="FONT-WEIGHT: bold">Subject:</span></b> Re: [PSUBS-MAILIST] Group Help Request<br></font></div>
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<td valign="top">I just love the world in which we live! Look what I found while waiting to take my daughter to school,.. http://www.quickparts.com/QuickQuote.aspx<br><br>Isn't that just the coolest thing! The Star Trek synthesizer in the real world.<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>Marc de Piolenc <piolenc@archivale.com>; <wbr><b><span style="FONT-WEIGHT: bold">To:</span> </b><personal_submersibles@psubs.org>; <wbr><b><span style="FONT-WEIGHT: bold">Subject:</span> </b>Re: [PSUBS-MAILIST] Group Help Request <wbr><b><span style="FONT-WEIGHT: bold">Sent:</span> </b>Mon, Oct 28, 2013 10:46:58 AM <wbr></div><wbr>
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<td valign="top">Never thought much about doing it at small scale.<br clear="none"><br clear="none">I suppose I would set up something like a wood lathe or a potter's wheel <br clear="none">and work in some very soft material like low-density foam. Once I had <br clear="none">the shape that I wanted, I suppose one could pour a mold around the <br clear="none">master, melt or dissolve out the pattern and cast the final part in some <br clear="none">suitable plastic, or even in aluminum if you were ambitious.<br clear="none"><br clear="none">3D printing seems like the ultimate way to do it, though - the accuracy <br clear="none">available is already better than what we would need, and if the inital <br clear="none">results are not perfect, making changes and printing out another <br clear="none">prototype is very quick.<br clear="none"><br clear="none">Marc<br clear="none"><br clear="none">On 10/28/2013 6:13 PM, Joe Perkel wrote:<br clear="none">> How can a home builder maintain that
contour 360 Deg out of "X" material?<br clear="none">><br clear="none">> Joe<br clear="none">><br clear="none">> Sent from my overpriced<br clear="none">> iPhone<br clear="none">><br clear="none">> On Oct 28, 2013, at 2:57 AM, Marc de Piolenc <<a href="" shape="rect" rel="nofollow">piolenc@archivale.com</a>> wrote:<br clear="none">><br clear="none">>> Quick clarification: a properly contoured Kort nozzle, MARRIED TO A MATCHING PROPELLER, will increase static and low-speed thrust. Of course it won't increase power, since that comes from your motor. If you just put a shroud around your existing prop, you will be disappointed, and a shroud that doesn't do the job is overpriced unless it's free! Key ingredients for success:<br clear="none">>><br clear="none">>> Prop matched to the shroud<br clear="none">>> Shroud matched to the speed and thrust requirement of the vehicle<br clear="none">>> Motor matched to the resulting prop<br clear="none">>><br clear="none">>> Marc<br clear="none">>><br clear="none">>> On 10/28/2013 8:33 AM, Jon Wallace wrote:<br clear="none">>>><br clear="none">>>> What is the cost of having a true Kort nozzle machined by a CNC? I think<br clear="none">>>> a 30% improvement in thrust for $30 would be great but I suspect<br clear="none">>>> machining a Kort is going to equate to many hundreds of dollars, if not<br clear="none">>>> reaching beyond a thousand. When I look at the Snoopy underwater videos<br clear="none">>>> it is difficult to imagine a kort nozzle really making any difference in<br clear="none">>>> the operational experience given that the motors are operating very<br clear="none">>>> slowly and pushing Snoopy around at about 2 knots (estimated). The<br clear="none">>>> props are designed for power, but that's what we want underwater. True,<br clear="none">>>> a kort nozzle would increase that power but what is the return on the<br clear="none">>>> cost? In other words, on a road with a speed limit of 30mph and no<br clear="none">>>> passing zones it doesn't matter whether you have a 1.6 liter or 5.4<br clear="none">>>> liter engine under the hood does it?<br clear="none">>> --<br clear="none">>> Archivale catalog: <a href="http://www.archivale.com/catalog" shape="rect" rel="nofollow" target="_blank">http://www.archivale.com/catalog</a><br clear="none">>> Polymath weblog: <a href="http://www.archivale.com/weblog" shape="rect" rel="nofollow" target="_blank">http://www.archivale.com/weblog</a><br clear="none">>> Translations (ProZ profile): <a href="http://www.proz.com/profile/639380" shape="rect" rel="nofollow" target="_blank">http://www.proz.com/profile/639380</a><br clear="none">>> Translations (BeWords profile): <a href="http://www.bewords.com/Marc-dePiolenc" shape="rect" rel="nofollow" target="_blank">http://www.bewords.com/Marc-dePiolenc</a><br clear="none">>> Ducted fans: <a href="http://massflow.archivale.com/" shape="rect" rel="nofollow" target="_blank">http://massflow.archivale.com/</a><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">> _______________________________________________<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>
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