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size=2>Its a Kortnozzle.. </font>

<BR>
<BR>"Joe Perkel" <josephperkel@yahoo.com> schrieb:
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 ><div style="RIGHT: auto"><SPAN style="RIGHT: auto">Yes Carsten, very
hopeful moneywise!</SPAN></div>
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normal; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial,
Lucida Grande, sans-serif; BACKGROUND-COLOR: transparent"><SPAN
style="RIGHT: auto"></SPAN> </div>
<div style="FONT-SIZE: 19px; RIGHT: auto; COLOR: rgb(0,0,0); FONT-STYLE:
normal; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial,
Lucida Grande, sans-serif; BACKGROUND-COLOR: transparent"><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>
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normal; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial,
Lucida Grande, sans-serif; BACKGROUND-COLOR: transparent"><SPAN
style="RIGHT: auto"></SPAN> </div>
<div style="FONT-SIZE: 19px; RIGHT: auto; COLOR: rgb(0,0,0); FONT-STYLE:
normal; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial,
Lucida Grande, sans-serif; BACKGROUND-COLOR: transparent"><SPAN
style="RIGHT: auto">I am going to see what different configurations of
the Kort Nozzle bring in terms of material cost.</SPAN></div>
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normal; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial,
Lucida Grande, sans-serif; BACKGROUND-COLOR: transparent"><SPAN
style="RIGHT: auto"></SPAN> </div>
<div style="FONT-SIZE: 19px; RIGHT: auto; COLOR: rgb(0,0,0); FONT-STYLE:
normal; FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial,
Lucida Grande, sans-serif; BACKGROUND-COLOR: transparent"><SPAN
style="RIGHT: auto">Joe</SPAN></div>
<div><BR></div>
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<DIV style="BORDER-RIGHT: #ccc 1px solid; PADDING-RIGHT: 0px;
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LINE-HEIGHT: 0; PADDING-TOP: 0px; BORDER-BOTTOM: #ccc 1px solid; HEIGHT:
0px" class=hr contentEditable=false readonly="true"></DIV><FONT size=2
face=Arial><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B>
"MerlinSub@t-online.de" <MerlinSub@t-online.de><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> 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>
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<TD vAlign=top >Alec,<BR clear=none><BR clear=none>Don&apos;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&apos;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_>
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0px" class=hr contentEditable=false readonly="true"></DIV><B><SPAN
style="FONT-WEIGHT: bold">From:</SPAN> </B>Alec Smyth
<alecsmyth@gmail.com>; <BR clear=none><B><SPAN style="FONT-WEIGHT:
bold">To:</SPAN> </B>Personal Submersibles General Discussion
<personal_submersibles@psubs.org>; <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>
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<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&apos;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&apos;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>
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BORDER-LEFT: #ccc 1px solid" class=yiv2663912050gmail_quote>
<DIV id=yiv2663912050yqt79944 class=yiv2663912050yqt8019548013>
<DIV>
<DIV style="FONT-SIZE: 14pt; FONT-FAMILY: HelveticaNeue, Helvetica Neue,
Helvetica, Arial, Lucida Grande, sans-serif">
<DIV><SPAN>David,</SPAN></DIV>
<DIV style="FONT-SIZE: 19px; FONT-STYLE: normal; FONT-FAMILY:
HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande,
sans-serif; BACKGROUND-COLOR: transparent"><SPAN></SPAN> </DIV>
<DIV style="FONT-SIZE: 19px; FONT-STYLE: normal; FONT-FAMILY:
HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande,
sans-serif; BACKGROUND-COLOR: transparent"><SPAN><SPAN>Thats</SPAN>
spectacular, thanks!</SPAN></DIV>
<DIV style="FONT-SIZE: 19px; FONT-STYLE: normal; FONT-FAMILY:
HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande,
sans-serif; BACKGROUND-COLOR: transparent"><SPAN></SPAN> </DIV>
<DIV style="FONT-SIZE: 19px; FONT-STYLE: normal; FONT-FAMILY:
HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande,
sans-serif; BACKGROUND-COLOR: transparent"><SPAN>Joe</SPAN></DIV>
<DIV><BR clear=none></DIV>
<DIV style="FONT-SIZE: 14pt; FONT-FAMILY: HelveticaNeue, Helvetica Neue,
Helvetica, Arial, Lucida Grande, sans-serif">
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Helvetica, Arial, Lucida Grande, sans-serif">
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<DIV style="BORDER-RIGHT: #ccc 1px solid; PADDING-RIGHT: 0px;
BORDER-TOP: #ccc 1px solid; PADDING-LEFT: 0px; FONT-SIZE: 0px;
MIN-HEIGHT: 0px; PADDING-BOTTOM: 0px; MARGIN: 5px 0px; BORDER-LEFT: #ccc
1px solid; LINE-HEIGHT: 0; PADDING-TOP: 0px; BORDER-BOTTOM: #ccc 1px
solid"></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><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>
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<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-SIZE: 10pt; FONT-FAMILY: arial, helvetica">
<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-SIZE: 14pt; FONT-FAMILY: HelveticaNeue, Helvetica Neue,
Helvetica, Arial, Lucida Grande, sans-serif">
<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="FONT-SIZE: 19px; FONT-STYLE: normal; FONT-FAMILY:
HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande,
sans-serif; BACKGROUND-COLOR: transparent"><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="FONT-SIZE: 19px; FONT-STYLE: normal; FONT-FAMILY:
HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande,
sans-serif; BACKGROUND-COLOR: transparent"><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-SIZE: 14pt; FONT-FAMILY: HelveticaNeue, Helvetica Neue,
Helvetica, Arial, Lucida Grande, sans-serif">
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<DIV dir=ltr>
<DIV style="BORDER-RIGHT: rgb(204,204,204) 1px solid; PADDING-RIGHT:
0px; BORDER-TOP: rgb(204,204,204) 1px solid; PADDING-LEFT: 0px;
FONT-SIZE: 0px; MIN-HEIGHT: 0px; PADDING-BOTTOM: 0px; MARGIN: 5px 0px;
BORDER-LEFT: rgb(204,204,204) 1px solid; LINE-HEIGHT: 0; PADDING-TOP:
0px; BORDER-BOTTOM: rgb(204,204,204) 1px solid"></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-SIZE: 12pt; FONT-FAMILY: tahoma, new york, times,
serif">
<DIV><SPAN>Scott,</SPAN></DIV>
<DIV style="FONT-SIZE: 16px; FONT-STYLE: normal; FONT-FAMILY: tahoma,
new york, times, serif; BACKGROUND-COLOR: transparent"><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="FONT-SIZE: 16px; FONT-STYLE: normal; FONT-FAMILY: tahoma,
new york, times, serif; BACKGROUND-COLOR:
transparent"><SPAN>Hank<VAR></VAR></SPAN></DIV>
<DIV><BR clear=none></DIV>
<DIV style="FONT-SIZE: 12pt; FONT-FAMILY: tahoma, new york, times,
serif">
<DIV style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman, new york,
times, serif">
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<DIV>
<DIV style="BORDER-RIGHT: rgb(204,204,204) 1px solid; PADDING-RIGHT:
0px; BORDER-TOP: rgb(204,204,204) 1px solid; PADDING-LEFT: 0px;
FONT-SIZE: 0px; MIN-HEIGHT: 0px; PADDING-BOTTOM: 0px; MARGIN: 5px 0px;
BORDER-LEFT: rgb(204,204,204) 1px solid; LINE-HEIGHT: 0; PADDING-TOP:
0px; BORDER-BOTTOM: rgb(204,204,204) 1px solid"></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>
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<DIV>
<DIV style="FONT-SIZE: 75%; COLOR: rgb(87,87,87)">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-SIZE: 12pt; FONT-FAMILY: tahoma, new york, times,
serif">
<DIV><SPAN>Joe,</SPAN></DIV>
<DIV style="FONT-SIZE: 16px; FONT-STYLE: normal; FONT-FAMILY: tahoma,
new york, times, serif; BACKGROUND-COLOR: transparent"><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="FONT-SIZE: 16px; FONT-STYLE: normal; FONT-FAMILY: tahoma,
new york, times, serif; BACKGROUND-COLOR:
transparent"><SPAN>Hank<VAR></VAR></SPAN></DIV>
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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>
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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,.. <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>
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<DIV style="BORDER-RIGHT: rgb(204,204,204) 1px solid; PADDING-RIGHT:
0px; BORDER-TOP: rgb(204,204,204) 1px solid; PADDING-LEFT: 0px;
FONT-SIZE: 0px; MIN-HEIGHT: 0px; PADDING-BOTTOM: 0px; MARGIN: 5px 0px;
BORDER-LEFT: rgb(204,204,204) 1px solid; LINE-HEIGHT: 0; PADDING-TOP:
0px; BORDER-BOTTOM: rgb(204,204,204) 1px solid"></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
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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&<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="FONT-SIZE: 12px; MARGIN: 0px; FONT-FAMILY: Tahoma, Verdana,
Arial, Sans-Serif"><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>WWW.Euronaut.org<BR
clear=none>Carsten@euronaut.org</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>
</blockquote>

<font face="Courier New" size=2> </font><font face="Courier New"
size=2><br><br>-- <br><BR>Carsten Standfuß<BR>Dipl.Ing.Schiffbau @
Meerestechnik<BR>Heinrich Reck Str.12A<BR>18211 Admannshagen<BR><BR>0172
8464 420<BR>WWW.Euronaut.org<BR>Carsten@euronaut.org</font></body>
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