<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Joe,</div><div>I designed mine as accurately as possible to dimensions I found</div><div>on the net. And the pots were perfect in slope to what I needed.</div><div>All you have to do is take your propeller to a plant shop & tell</div><div>them you are wanting to size it for a kort nozzle for a submarine.</div><div>Alan<br><br>Sent from my iPad</div><div><br>On 29/10/2013, at 9:08 AM, Joe Perkel <<a href="mailto:josephperkel@yahoo.com">josephperkel@yahoo.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:14pt"><div style="RIGHT: auto"><span style="RIGHT: auto">Yes Carsten, very hopeful moneywise!</span></div>
<div style="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; COLOR: rgb(0,0,0); FONT-SIZE: 19px; RIGHT: auto"><span style="RIGHT: auto"></span> </div>
<div style="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; COLOR: rgb(0,0,0); FONT-SIZE: 19px; RIGHT: auto"><span style="RIGHT: auto">But, I wonder if this is a shrouded/ducted prop as opposed to an accurate Kort Nozzle. But, perhaps it may not matter in the end if all one wants is a prop guard.</span></div>
<div style="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; COLOR: rgb(0,0,0); FONT-SIZE: 19px; RIGHT: auto"><span style="RIGHT: auto"></span> </div>
<div style="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; COLOR: rgb(0,0,0); FONT-SIZE: 19px; RIGHT: auto"><span style="RIGHT: auto">I am going to see what different configurations of the Kort Nozzle bring in terms of material cost.</span></div>
<div style="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; COLOR: rgb(0,0,0); FONT-SIZE: 19px; RIGHT: auto"><span style="RIGHT: auto"></span> </div>
<div style="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; COLOR: rgb(0,0,0); FONT-SIZE: 19px; RIGHT: auto"><span style="RIGHT: auto">Joe</span></div>
<div><br></div>
<div style="FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; FONT-SIZE: 14pt">
<div style="FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; FONT-SIZE: 12pt">
<div dir="ltr">
<div style="BORDER-BOTTOM: #ccc 1px solid; BORDER-LEFT: #ccc 1px solid; PADDING-BOTTOM: 0px; LINE-HEIGHT: 0; MARGIN: 5px 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; HEIGHT: 0px; FONT-SIZE: 0px; BORDER-TOP: #ccc 1px solid; BORDER-RIGHT: #ccc 1px solid; PADDING-TOP: 0px" class="hr" contenteditable="false" readonly="true"></div><font size="2" face="Arial"><b><span style="FONT-WEIGHT: bold">From:</span></b> "<a href="mailto:MerlinSub@t-online.de">MerlinSub@t-online.de</a>" <<a href="mailto:MerlinSub@t-online.de">MerlinSub@t-online.de</a>><br><b><span style="FONT-WEIGHT: bold">To:</span></b> Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> <br><b><span style="FONT-WEIGHT: bold">Sent:</span></b> Monday, October 28, 2013 3:19 PM<br><b><span style="FONT-WEIGHT: bold">Subject:</span></b> Re: [PSUBS-MAILIST] Group Help Request<br></font></div>
<div class="y_msg_container"><br>
<div id="yiv2663912050">
<div> <a href="http://www.aliexpress.com/item/Brand-New-300W-Motor-Powered-Sea-Scooter-Underwater-propeller-Diving-Assistant/336556698.html" shape="rect" rel="nofollow" target="_blank">http://www.aliexpress.com/item/Brand-New-300W-Motor-Powered-Sea-Scooter-Underwater-propeller-Diving-Assistant/336556698.html</a><br clear="none"><br clear="none">Inside Diameter of the Kortnozzle is 250mm or 9,84 something inch. <br clear="none"><br clear="none">Protection grid forward and aft are just fix with clips. <br clear="none"><br clear="none">vbr Carsten<br clear="none"><br clear="none"><br clear="none"><br clear="none">
<div id="yiv2663912050yqt43433" class="yiv2663912050yqt3967080649">
<blockquote style="BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px">
<table border="0" cellspacing="0" cellpadding="0">
<tbody>
<tr>
<td valign="top" rowspan="1" colspan="1">Alec,<br clear="none"><br clear="none">Don't count it out just yet, I went to Gavin via the link you provided and had an epiphany! Note well the inside surface vs the outside surface of that Kort nozzle!!<br clear="none"><br clear="none">The model I quoted was solid material!! <br clear="none"><br clear="none">I know what I'm doing tonight!<br clear="none"><br clear="none">Joe<br clear="none"><br clear="none">Sent from Yahoo! Mail for iPad</td></tr></tbody></table>
<div id="yiv2663912050_origMsg_">
<div><br clear="none">
<div>
<div style="FONT-SIZE: 0.9em">
<div style="BORDER-BOTTOM: #ccc 1px solid; BORDER-LEFT: #ccc 1px solid; PADDING-BOTTOM: 0px; LINE-HEIGHT: 0; MARGIN: 5px 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; HEIGHT: 0px; FONT-SIZE: 0px; BORDER-TOP: #ccc 1px solid; BORDER-RIGHT: #ccc 1px solid; PADDING-TOP: 0px" class="hr" contenteditable="false" readonly="true"></div><b><span style="FONT-WEIGHT: bold">From:</span> </b>Alec Smyth <<a href="mailto:alecsmyth@gmail.com">alecsmyth@gmail.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">personal_submersibles@psubs.org</a>>; <br clear="none"><b><span style="FONT-WEIGHT: bold">Subject:</span> </b>Re: [PSUBS-MAILIST] Group Help Request <br clear="none"><b><span style="FONT-WEIGHT: bold">Sent:</span> </b>Mon, Oct 28, 2013 5:28:50 PM <br clear="none"></div><br clear="none">
<table border="0" cellspacing="0" cellpadding="0">
<tbody>
<tr>
<td valign="top" rowspan="1" colspan="1">
<div dir="ltr">Sounds like David has just saved me the work of taking a 101 apart and measuring it, thanks! As for the 101 prop size, it's 11" diameter. Before you go off spending $760 on a nozzle, you might want to look up these folks: <a href="http://www.gavinscooters.com/" shape="rect" rel="nofollow" target="_blank">http://www.gavinscooters.com/</a> I can't help notice Emile used a Gavin, and it looks like Gavin Scooters, Inc. is right in your neighborhood.
<div><br clear="none"></div>
<div>Best,<br clear="none"><br clear="none">Alec</div></div>
<div class="yiv2663912050gmail_extra"><br clear="none"><br clear="none">
<div class="yiv2663912050gmail_quote">On Mon, Oct 28, 2013 at 12:43 PM, Joe Perkel <span dir="ltr"><<a href="" shape="rect" rel="nofollow">josephperkel@yahoo.com</a>></span> wrote:<br clear="none">
<blockquote style="BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex" class="yiv2663912050gmail_quote">
<div id="yiv2663912050yqt79944" class="yiv2663912050yqt8019548013">
<div>
<div style="FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; FONT-SIZE: 14pt">
<div><span>David,</span></div>
<div style="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; FONT-SIZE: 19px"><span></span> </div>
<div style="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; FONT-SIZE: 19px"><span><span>Thats</span> spectacular, thanks!</span></div>
<div style="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; FONT-SIZE: 19px"><span></span> </div>
<div style="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; FONT-SIZE: 19px"><span>Joe</span></div>
<div><br clear="none"></div>
<div style="FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; FONT-SIZE: 14pt">
<div style="FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; FONT-SIZE: 12pt">
<div dir="ltr">
<div style="BORDER-BOTTOM: #ccc 1px solid; BORDER-LEFT: #ccc 1px solid; PADDING-BOTTOM: 0px; LINE-HEIGHT: 0; MARGIN: 5px 0px; MIN-HEIGHT: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-SIZE: 0px; BORDER-TOP: #ccc 1px solid; BORDER-RIGHT: #ccc 1px solid; PADDING-TOP: 0px"></div><font face="Arial"><b><span style="FONT-WEIGHT: bold">From:</span></b> David Colombo <<a href="" shape="rect" rel="nofollow">seaquestor@gmail.com</a>></font>
<div class="yiv2663912050im"><br clear="none"><b><span style="FONT-WEIGHT: bold">To:</span></b> Personal Submersibles General Discussion <<a href="" shape="rect" rel="nofollow">personal_submersibles@psubs.org</a>> <br clear="none"></div><b><span style="FONT-WEIGHT: bold">Sent:</span></b> Monday, October 28, 2013 12:12 PM
<div class="yiv2663912050im"><br clear="none"><b><span style="FONT-WEIGHT: bold">Subject:</span></b> Re: [PSUBS-<span>MAILIST</span>] Group Help Request<br clear="none"></div></div>
<div><br clear="none">
<div>
<div>
<div class="yiv2663912050im">
<div dir="ltr">
<div>Hey Joe,<br clear="none"></div>I will send you my cad files on the <span>Minkota</span> 101 Saltwater. I have measured my new 101s and weed 2 prop. I have also worked out the Marin 37 Kort <span>nozzel</span> design and attachment to the thruster for use on the <span>SeaQuestor</span> project. I will be most likely sending it to my fiberglass fabricator who will cut the assembly in foam on their 5 axis <span>cnc</span>, ready for a fiberglass overlay.<br clear="none"><br clear="none"></div></div>
<div><br clear="all">
<div>
<div class="yiv2663912050im">Best Regards,<br clear="none">David Colombo<br clear="none"><img width="200" height="147" src="cid:"><br clear="none">804 College Ave<br clear="none">Santa Rosa, CA. 95404<br clear="none"><a href="" shape="rect" rel="nofollow">(707) 536-1424</a><br clear="none"></div><a href="http://www.seaquestor.com/" shape="rect" rel="nofollow" target="_blank">http://www.seaquestor.com/</a><br clear="none"><br clear="none"></div>
<div>
<div class="yiv2663912050h5"><br clear="none"><br clear="none">
<div>
<div>On Mon, Oct 28, 2013 at 8:03 AM, <span dir="ltr"><<a href="" shape="rect" rel="nofollow">jimtoddpsub@aol.com</a>></span> wrote:<br clear="none">
<blockquote style="BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex"><font color="black" face="arial"></font>
<div><font style="BACKGROUND-COLOR: transparent" size="3" face="Arial, Helvetica, sans-serif">Joe,</font></div>
<div><font size="3">Since you asked: <a href="http://en.wikipedia.org/wiki/Cast_urethanes" shape="rect" rel="nofollow" target="_blank">http://en.wikipedia.org/wiki/Cast_urethanes</a></font></div>
<div><font size="3">Jim</font></div>
<div></div>
<div></div>
<div style="FONT-FAMILY: arial, helvetica; FONT-SIZE: 10pt">
<div>-----Original Message-----<br clear="none">From: Joe Perkel <<a href="" shape="rect" rel="nofollow">josephperkel@yahoo.com</a>><br clear="none"></div>
<div>To: Personal Submersibles General Discussion <<a href="" shape="rect" rel="nofollow">personal_submersibles@psubs.org</a>><br clear="none"></div>
<div>
<div>Sent: Mon, Oct 28, 2013 9:54 am<br clear="none">Subject: Re: [PSUBS-<span>MAILIST</span>] Group Help Request<br clear="none"><br clear="none">
<div>
<div>
<div style="FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; FONT-SIZE: 14pt">
<div><span><span>Ok</span> gentlemen first round of quotes for a Marin 19A Nozzle only in ABS plastic (White) for a 6" prop and not accounting for prop clearance is $760. This is using <span>FDM</span> process.</span></div>
<div><span></span> </div>
<div style="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; FONT-SIZE: 19px"><span>Same nozzle in cast urethane,.. $ 3,700,.. what is cast urethane? <span>Dont</span> want it anyway!!!</span></div>
<div><span></span> </div>
<div style="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; FONT-SIZE: 19px"><span>I need to know the exact diameter of a Weedless wedge 2 prop for a 4" motor in order to get the quote exact.</span></div>
<div><span></span> </div>
<div><span>Joe</span></div>
<div><br clear="none"></div>
<div style="FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; FONT-SIZE: 14pt">
<div style="FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; FONT-SIZE: 12pt">
<div dir="ltr">
<div style="BORDER-BOTTOM: rgb(204,204,204) 1px solid; BORDER-LEFT: rgb(204,204,204) 1px solid; PADDING-BOTTOM: 0px; LINE-HEIGHT: 0; MARGIN: 5px 0px; MIN-HEIGHT: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-SIZE: 0px; BORDER-TOP: rgb(204,204,204) 1px solid; BORDER-RIGHT: rgb(204,204,204) 1px solid; PADDING-TOP: 0px"></div><font face="Arial"><b><span style="FONT-WEIGHT: bold">From:</span></b> hank <span>pronk</span> <<a href="" shape="rect" rel="nofollow">hanker_20032000@yahoo.ca</a>><br clear="none"><b><span style="FONT-WEIGHT: bold">To:</span></b> Personal Submersibles General Discussion <<a href="" shape="rect" rel="nofollow">personal_submersibles@psubs.org</a>> <br clear="none"><b><span style="FONT-WEIGHT: bold">Sent:</span></b> Monday, October 28, 2013 10:28 AM<br clear="none"><b><span style="FONT-WEIGHT: bold">Subject:</span></b> Re: [PSUBS-<span>MAILIST</span>] Group Help Request<br clear="none"></font></div>
<div><br clear="none">
<div>
<div>
<div style="FONT-FAMILY: tahoma, new york, times, serif; FONT-SIZE: 12pt">
<div><span>Scott,</span></div>
<div style="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: tahoma, new york, times, serif; FONT-SIZE: 16px"><span>I use weights from a weight lifting set, the steel ones. They could go outside on a peg so to speak. The only problem is you want them at the bottom of the sub. That means hauling the sub unless you want to get wet. Maybe a slide system. I thought the same thing to put the air outside, that would kill my sleek and slippery-<span>ness</span>. :-) </span></div>
<div style="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: tahoma, new york, times, serif; FONT-SIZE: 16px"><span>Hank<var></var></span></div>
<div><br clear="none"></div>
<div style="FONT-FAMILY: tahoma, new york, times, serif; FONT-SIZE: 12pt">
<div style="FONT-FAMILY: times new roman, new york, times, serif; FONT-SIZE: 12pt">
<div dir="ltr">
<div>
<div style="BORDER-BOTTOM: rgb(204,204,204) 1px solid; BORDER-LEFT: rgb(204,204,204) 1px solid; PADDING-BOTTOM: 0px; LINE-HEIGHT: 0; MARGIN: 5px 0px; MIN-HEIGHT: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-SIZE: 0px; BORDER-TOP: rgb(204,204,204) 1px solid; BORDER-RIGHT: rgb(204,204,204) 1px solid; PADDING-TOP: 0px"></div><font face="Arial"><b><span style="FONT-WEIGHT: bold">From:</span></b> <span>swaters</span> <<a href="" shape="rect" rel="nofollow">swaters@waters-ks.com</a>><br clear="none"><b><span style="FONT-WEIGHT: bold">To:</span></b> Personal Submersibles General Discussion <<a href="" shape="rect" rel="nofollow">personal_submersibles@psubs.org</a>> <br clear="none"><b><span style="FONT-WEIGHT: bold">Sent:</span></b> Monday, October 28, 2013 7:46:30 AM<br clear="none"><b><span style="FONT-WEIGHT: bold">Subject:</span></b> Re: [PSUBS-<span>MAILIST</span>] Group Help Request<br clear="none"></font></div></div>
<div>
<div>
<div>
<div>
<div>Hatch closure from both sides <span>deffenetly</span> 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 <span>alot</span> more room on the inside.</div>
<div>Thanks,</div>
<div>Scott Waters</div>
<div><br clear="none"></div>
<div><br clear="none"></div>
<div><br clear="none"></div>
<div><br clear="none"></div>
<div><br clear="none"></div>
<div>
<div style="COLOR: rgb(87,87,87); FONT-SIZE: 75%">Sent from my U.S. Cellular© <span>Smartphone</span></div></div>hank <span>pronk</span> <<a href="" shape="rect" rel="nofollow">hanker_20032000@yahoo.ca</a>> wrote:
<div>
<div style="FONT-FAMILY: tahoma, new york, times, serif; FONT-SIZE: 12pt">
<div><span>Joe,</span></div>
<div style="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: tahoma, new york, times, serif; FONT-SIZE: 16px"><span>Why don&<span>apos</span>;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="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: tahoma, new york, times, serif; FONT-SIZE: 16px"><span>Hank<var></var></span></div>
<div><br clear="none"></div>
<div style="FONT-FAMILY: tahoma, new york, times, serif; FONT-SIZE: 12pt">
<div style="FONT-FAMILY: times new roman, new york, times, serif; FONT-SIZE: 12pt">
<div dir="ltr">
<div style="BORDER-BOTTOM: rgb(204,204,204) 1px solid; BORDER-LEFT: rgb(204,204,204) 1px solid; PADDING-BOTTOM: 0px; LINE-HEIGHT: 0; MARGIN: 5px 0px; MIN-HEIGHT: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-SIZE: 0px; BORDER-TOP: rgb(204,204,204) 1px solid; BORDER-RIGHT: rgb(204,204,204) 1px solid; PADDING-TOP: 0px"></div><font face="Arial"><b><span style="FONT-WEIGHT: bold">From:</span></b> Joe Perkel <<a href="" shape="rect" rel="nofollow">josephperkel@yahoo.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>" <<a href="" shape="rect" rel="nofollow">personal_submersibles@psubs.org</a>> <br clear="none"><b><span style="FONT-WEIGHT: bold">Sent:</span></b> Monday, October 28, 2013 5:41:42 AM<br clear="none"><b><span style="FONT-WEIGHT: bold">Subject:</span></b> Re: [PSUBS-<span>MAILIST</span>] Group Help Request<br clear="none"></font></div>
<div>
<div>
<table border="0" cellspacing="0" cellpadding="0">
<tbody>
<tr>
<td valign="top" rowspan="1" colspan="1">I just love the world in which we live! Look what I found while waiting to take my daughter to school,.. <a href="http://www.quickparts.com/QuickQuote.aspx" shape="rect" rel="nofollow" target="_blank">http://www.quickparts.com/QuickQuote.aspx</a><br clear="none"><br clear="none"><span>Isn</span>&<span>apos</span>;t that just the coolest thing! The Star Trek synthesizer in the real world.<br clear="none"><br clear="none">Joe<br clear="none"><br clear="none">Sent from Yahoo! Mail for <span>iPad</span></td></tr></tbody></table>
<div>
<div>
<div>
<div style="FONT-SIZE: 0.9em">
<div style="BORDER-BOTTOM: rgb(204,204,204) 1px solid; BORDER-LEFT: rgb(204,204,204) 1px solid; PADDING-BOTTOM: 0px; LINE-HEIGHT: 0; MARGIN: 5px 0px; MIN-HEIGHT: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-SIZE: 0px; BORDER-TOP: rgb(204,204,204) 1px solid; BORDER-RIGHT: rgb(204,204,204) 1px solid; PADDING-TOP: 0px"></div><b><span style="FONT-WEIGHT: bold">From:</span> </b>Marc <span>de</span> <span>Piolenc</span> <<a href="" shape="rect" rel="nofollow">piolenc@archivale.com</a>>; <b><span style="FONT-WEIGHT: bold">To:</span> </b><<a href="" shape="rect" rel="nofollow">personal_submersibles@psubs.org</a>>; <b><span style="FONT-WEIGHT: bold">Subject:</span> </b>Re: [PSUBS-<span>MAILIST</span>] Group Help Request <b><span style="FONT-WEIGHT: bold">Sent:</span> </b>Mon, Oct 28, 2013 10:46:58 AM </div>
<table border="0" cellspacing="0" cellpadding="0">
<tbody>
<tr>
<td valign="top" rowspan="1" colspan="1">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&<span>apos</span>;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 <span>inital</span> <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">> <span>iPhone</span><br clear="none">><br clear="none">> On Oct 28, 2013, at 2:57 AM, Marc <span>de</span> <span>Piolenc</span> <<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&<span>apos</span>;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 <span>doesn</span>&<span>apos</span>;t do the job is overpriced unless it&<span>apos</span>;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 <span>CNC</span>? 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 <span>kort</span> 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&<span>apos</span>;s what we want underwater. True,<br clear="none">>>> a <span>kort</span> 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 <span>doesn</span>&<span>apos</span>;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">>> <span>Archivale</span> catalog: <a href="http://www.archivale.com/catalog" shape="rect" rel="nofollow" target="_blank">http://www.archivale.com/catalog</a><br clear="none">>> Polymath <span>weblog</span>: <a href="http://www.archivale.com/weblog" shape="rect" rel="nofollow" target="_blank">http://www.archivale.com/weblog</a><br clear="none">>> Translations (<span>ProZ</span> 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 (<span>BeWords</span> 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>
<div>> -- <span>Archivale</span> catalog: <a href="http://www.archivale.com/catalog" shape="rect" rel="nofollow" target="_blank">http://www.archivale.com/catalog</a> Polymath <span>weblog</span>: <a href="http://www.archivale.com/weblog" shape="rect" rel="nofollow" target="_blank">http://www.archivale.com/weblog</a> Translations (<span>ProZ</span> profile): <a href="http://www.proz.com/profile/639380" shape="rect" rel="nofollow" target="_blank">http://www.proz.com/profile/639380</a> Translations (<span>BeWords</span> profile): <a href="http://www.bewords.com/Marc-dePiolenc" shape="rect" rel="nofollow" target="_blank">http://www.bewords.com/Marc-dePiolenc</a> Ducted fans: <a href="http://massflow.archivale.com/" shape="rect" rel="nofollow" target="_blank">http://massflow.archivale.com/</a> _______________________________________________ Personal_Submersibles mailing list<a href="" shape="rect" rel="nofollow">Personal_Submersibles@psubs.org</a><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></div></td></tr></tbody></table></div></div></div></div>_______________________________________________ Personal_Submersibles mailing list<a href="" shape="rect" rel="nofollow">Personal_Submersibles@psubs.org</a><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></div></div></div></div></div></div></div>
<div>_______________________________________________ Personal_Submersibles mailing list<a href="" shape="rect" rel="nofollow">Personal_Submersibles@psubs.org</a><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></div></div></div></div></div></div></div></div><br clear="none">
<div>_______________________________________________<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"></div><br clear="none"><br clear="none"></div></div></div></div></div></div>
<div style="MARGIN: 0px; FONT-FAMILY: Tahoma, Verdana, Arial, Sans-Serif; FONT-SIZE: 12px"><pre style="FONT-SIZE: 9pt"><tt>_______________________________________________
Personal_Submersibles mailing list
<a href="" shape="rect" rel="nofollow">Personal_Submersibles@psubs.org</a>
<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>
</tt></pre></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 clear="none"></div></div></div></div></div></div>
<div>
<div class="yiv2663912050h5"><br clear="none">
<div>_______________________________________________<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"></div><br clear="none"><br clear="none"></div></div></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 clear="none"></div></td></tr></tbody></table></div></div></div></blockquote></div><font size="2" face="Courier New"> </font><font size="2" face="Courier New"><br clear="none"><br clear="none">-- <br clear="none"><br clear="none">Carsten Standfuß<br clear="none">Dipl.Ing.Schiffbau @ Meerestechnik<br clear="none">Heinrich Reck Str.12A<br clear="none">18211 Admannshagen<br clear="none"><br clear="none">0172 8464 420<br clear="none"><a href="http://WWW.Euronaut.org">WWW.Euronaut.org</a><br clear="none"><a href="mailto:Carsten@euronaut.org">Carsten@euronaut.org</a></font></div></div><br>
<div id="yqt42101" class="yqt3967080649">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a href="mailto:Personal_Submersibles@psubs.org" shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" shape="rect" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"></div><br><br></div></div></div></div></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>Personal_Submersibles mailing list</span><br><span><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a></span><br><span><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></span><br></div></blockquote></body></html>