<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>That's how I did it Carsten, except I looked for a bucket. In hindsight there</div><div>is more variety in plant pots. I fibreglassed around a portion of the bucket</div><div>& built it up to the right shape, but an easier way to do it would be to buy 2</div><div>buckets / pots, one to fit inside the other to form a mold. Cut the bottoms off the</div><div>Buckets & seal them to a base. Then pour in resin & throw some fibreglass in</div><div>for strength. Form the edges later.</div><div>Alan</div><div><br></div><div><br>Sent from my iPad</div><div><br>On 29/10/2013, at 6:30 AM, " " <<a href="mailto:MerlinSub@t-online.de">MerlinSub@t-online.de</a>> wrote:<br><br></div><blockquote type="cite"><div><font face="Courier New" size="2">Go in a big
shop for garden and flours. <br>Looking fo
the right size flower -pod made from platic. <br>The rest is
a foam
and filler job for the positive plug. <br><br><a href="http://www.hagebau.de/Garten-und-Freizeit/Pflanzen/Pflanzkaesten-und-kuebel/Blumentopf-Fiore-Alessia-terrakotta--22-cm/AN4008419055624-sh3391917sp4008419055624">http://www.hagebau.de/Garten-und-Freizeit/Pflanzen/Pflanzkaesten-und-kuebel/Blumentopf-Fiore-Alessia-terrakotta--22-cm/AN4008419055624-sh3391917sp4008419055624</a><br> </font><br>vbr
Carsten<br><br>"Joe Perkel" <<a href="mailto:josephperkel@yahoo.com">josephperkel@yahoo.com</a>>
schrieb:<br>> How can a home builder maintain that contour 360 Deg
out of "X" material?<br>> <br>> Joe<br>> <br>> Sent from my
overpriced <br>> iPhone<br>> <br>> On Oct 28, 2013, at 2:57 AM,
Marc de Piolenc <<a href="mailto:piolenc@archivale.com">piolenc@archivale.com</a>>
wrote:<br>> <br>> > 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>> > <br>>
> Prop matched to the shroud<br>> > Shroud matched to the speed
and thrust requirement of the vehicle<br>> > Motor matched to the
resulting prop<br>> > <br>> > Marc<br>> > <br>>
> On 10/28/2013 8:33 AM, Jon Wallace wrote:<br>> >> <br>>
>> What is the cost of having a true Kort nozzle machined by a
CNC? I think<br>> >> a 30% improvement in thrust for $30 would
be great but I suspect<br>> >> machining a Kort is going to
equate to many hundreds of dollars, if not<br>> >> reaching
beyond a thousand. When I look at the Snoopy underwater videos<br>>
>> it is difficult to imagine a kort nozzle really making any
difference in<br>> >> the operational experience given that the
motors are operating very<br>> >> slowly and pushing Snoopy
around at about 2 knots (estimated). The<br>> >> props are
designed for power, but that's what we want underwater. True,<br>>
>> a kort nozzle would increase that power but what is the return
on the<br>> >> cost? In other words, on a road with a speed
limit of 30mph and no<br>> >> passing zones it doesn't matter
whether you have a 1.6 liter or 5.4<br>> >> liter engine under
the hood does it?<br>> > -- <br>> > Archivale catalog: <a href="http://www.archivale.com/catalog">http://www.archivale.com/catalog</a><br>>
> Polymath weblog: <a href="http://www.archivale.com/weblog">http://www.archivale.com/weblog</a><br>>
> Translations (ProZ profile): <a href="http://www.proz.com/profile/639380">http://www.proz.com/profile/639380</a><br>>
> Translations (BeWords profile): <a href="http://www.bewords.com/Marc-dePiolenc">http://www.bewords.com/Marc-dePiolenc</a><br>>
> Ducted fans: <a href="http://massflow.archivale.com/">http://massflow.archivale.com/</a><br>>
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<br><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><a href="http://WWW.Euronaut.org">WWW.Euronaut.org</a><br><a href="mailto:Carsten@euronaut.org">Carsten@euronaut.org</a></font></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>