[PSUBS-MAILIST] MK 101 Kort Nozzle Assembly

[jimtoddpsub at aol.com]

Joe,

Are you familiar with hackerspace groups?  Almost all metropolitan areas have at least one.  It's a group of tinkerers, innovators and other assorted nerds who get together to share ideas, equipment, and projects.  The one where I live (Columbia, Missouri) was meeting at one of the member's home shop until they recently rented space in a strip industrial area.  

Some equipment is donated or loaned, some purchased by the group, and some made by the group.  In addition to the more common shop equipment this one has a CNC machine, and the group is currently building a 3D scanner.  I think they also have a 3D printer or two.  The members include several engineers, engineering professors, and computer programmers.  Here's a link to search for what might be available in your area:  http://www.meetup.com/find/?keywords=hack&radius=50&userFreeform=Miami%2C+Florida%2C+USA&mcId=c33101&sort=recommended&eventFilter=mysugg

Jim




-----Original Message-----
From: Joe Perkel <josephperkel at yahoo.com>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
Sent: Sat, Nov 2, 2013 7:38 am
Subject: Re: [PSUBS-MAILIST] MK 101 Kort Nozzle Assembly



David,
 
Yes, from your drawing as it was the best clue I had as to dimensions. Minn Kota has been very careful about what is in the public domain.
 
As for the fin, I'm considering only the engine mount series of motors that lacks this fin. Also, there are a number of parts suppliers out there with everything from armatures to housings and more, so a single motor purchase as a guide and the rest scratch built seems quite viable.
 
I'm also a fan of CNC (convenient, neat, & costly), so I'm watching carefully as home shop capability continues to rise and prices fall.
 
Joe




From: David Colombo <seaquestor at gmail.com>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
Sent: Saturday, November 2, 2013 1:17 AM
Subject: Re: [PSUBS-MAILIST] MK 101 Kort Nozzle Assembly




Hi Joe,
This looks great! Is the kort designed to fit the Minn Kota prop I sent you? I like the thru bolt detail and the 2 piece collar. When will you have a file I can send to a cnc machine?



Best Regards,
David Colombo

804 College Ave
Santa Rosa, CA. 95404
(707) 536-1424
http://www.seaquestor.com/





On Fri, Nov 1, 2013 at 11:13 AM, Joe Perkel <josephperkel at yahoo.com> wrote:






Psubbers,
 
I have finalized the design of the Kort Nozzle assembly for a Minn Kota 101 as per the dimensions provided me by another builder. There are a few detail pictures on my project page. http://www.psubs.org/projects/1371101163/msvalvinjr./
 
Some assumptions, this is drawn for 11 3/8' dia square tip prop, 3 7/8" body, again with dimensions provided. It requires a concentric attach ring as you see here in SS in the style of a propeller shaft anode. The beauty of that is that it allows fore and aft adjustment as required.
 
I will provide the CAD files and 2d drawings with B.O.M, required to Jon for download over the next week or so for whatever process a builder chooses. The nozzle can be scaled to accommodate other prop and body dimensions as required.
 
Doing these little projects will help me tremendously when my time comes to build.
 
Joe
 
 





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