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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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