I've been looking at this a bit for not only this but, other little niceties like finish panels and such for instrumentation. Came up with this.
http://www.amazon.com/gp/product/1878087193/104-0928067-3681566?v=glance&n=283155
Ah, to have nothing but time on your hands! I think it's called...retirement.
Joe
From: "Rick and Marcia" <empiricus@telus.net>
Reply-To: personal_submersibles@psubs.org
To: <personal_submersibles@psubs.org>
Subject: Re: [PSUBS-MAILIST] Kort nozzles
Date: Fri, 21 Jul 2006 00:04:16 -0700
>Possibly extrude rubber through an airfoil mold. End up with a long,
>straight airfoil "wing".
>
>Wrap it around two ply circles (one lge. dia, one small) cut into the
>appropriate diameters. Glass it & remove the ply formers. Fair it and I
>think it would work.
>
>Rick L
>
>
>----- Original Message -----
>From: "Joseph Perkel" <joeperkel@hotmail.com>
>To: <personal_submersibles@psubs.org>
>Sent: Wednesday, July 19, 2006 5:40 AM
>Subject: Re: [PSUBS-MAILIST] Kort nozzles
>
>
> > That's great for a homemade and light weight ROV kort. And yes, a very
> > clever method that I will employ in the same manner for an ROV.
> >
> > But, what Alec is after, and what is really difficult, is that foil
>section
> > on the inside of a Marin type Kort nozzle.
> >
> > There doesn't seem to be a ready made off the shelf version of this
> > available to us PSUBBERS without buying a complete unit.
> >
> > We should all keep our eyes open for sources, otherwise Carstens mold
>method
> > may be the only available homebuilt option here.
> >
> > Joe
> >
> > >From: "Rick and Marcia" <empiricus@telus.net>
> > >Reply-To: personal_submersibles@psubs.org
> > >To: <personal_submersibles@psubs.org>
> > >Subject: Re: [PSUBS-MAILIST] Kort nozzles
> > >Date: Tue, 18 Jul 2006 23:03:41 -0700
> > >
> > >George, you are an absolute genius. I've been struggling with this one
>for
> > >a bit.
> > >
> > >Rick L
> > > ----- Original Message -----
> > > From: George Slaterpryce
> > > To: personal_submersibles@psubs.org
> > > Sent: Monday, July 17, 2006 6:24 AM
> > > Subject: Re: [PSUBS-MAILIST] Kort nozzles
> > >
> > >
> > > I've made mine out of PVC, warm with a heat gun and then warp it to
>the
> > >shape you need.
> > >
> > > George H. Slaterpryce III
> > > That's MR. PIG. to you!
> > > ----- Original Message -----
> > > From: Joseph Perkel
> > > To: personal_submersibles@psubs.org
> > > Sent: Sunday, July 16, 2006 4:50 PM
> > > Subject: RE: [PSUBS-MAILIST] Kort nozzles
> > >
> > >
> > > Alec,
> > >
> > > As a coincidence, my recent foray into the homebuilt ROV, world had
>me
> > >come to the same conclusion as to the difficulty of homebuilt Kort
>nozzles.
> > >
> > > I was taking a quick peek at the hovercraft crowd for ideas, when I
> > >stopped to get back to marine studies.
> > >
> > > http://www.indstate.edu/mct/hovercraft.htm
> > >
> > > Hope this turns into a viable lead, Doug has some leads on his
>website
> > >as well.
> > >
> > > Joe
> > >
> > >
> > >
> > >
> > >
> > >
> >
> >--------------------------------------------------------------------------
> > > From: "Smyth, Alec" <Alec.Smyth@compuware.com>
> > > Reply-To: personal_submersibles@psubs.org
> > > To: <personal_submersibles@psubs.org>
> > > Subject: [PSUBS-MAILIST] Kort nozzles
> > > Date: Sun, 16 Jul 2006 16:04:38 -0400
> > >
> > >
> > > I've been searching the web for a supplier of Kort nozzles, but
>all
> > >I can find is custom jobs for ocean going ships. I did find
> > >www.propguardmarine.com, but what I'm really after is known as a Marin
>19A
> > >type nozzle, in a size of around 15" ID. I would try and turn a nozzle on
> > >my lathe, but the lathe is a couple of inches too small. Has anyone given
> > >thought to fabrication methods for this other than machining out of solid
> > >material?
> > >
> > > thanks,
> > >
> > > Alec
> > >
> > >
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