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Re: [PSUBS-MAILIST] Minn-Kota Thrusters -- Was: teathers



Hi Doug,
I'm mostly done with design, except for some small items later in the program. I have started building. I have the cylindrical portion of the hull finish welded and 90 % or so of the rib welding complete. I have ordered the 39 inch dome from Greg Cottrell as well as the 9 smaller viewports. The steel for the conning tower will be delivered to my shop on Friday. So while I have a lot of things started, I do not have very much completed yet. I am now machining viewport seats.
 
Let me know how you come out with your motor controlers.
 
Dan H in Pennsylvania has a very tidy thruster arrangement with small micro switches inside the control handles of each thruster.
 
I plan on having one stick on my right hand control all three thrusters, similar to a plane. The left hand will primarily deal with ballasting and forward/reverse weight bias.
 
Best Regards,
 
Jim Kocourek
----- Original Message -----
Sent: Tuesday, January 15, 2008 6:57 PM
Subject: Re: [PSUBS-MAILIST] Minn-Kota Thrusters -- Was: teathers

Jim

"
I feel that there will be times that asymetrical thrust will be usefull."

I have a design that hopefully will work: www.submarineboat.com/sub/wiring.html  See "Helm" almost half way down the page.
It kills the thruster on the inside of a turn. And by hitting a button a relay will flip that thruster to a second dual pot that is set to reverse.  I'll know more in a week or so.

I think the easiest arraignment I saw was someone was just using the normal control head and they just worked one head with each hand; sort of like driving a track vehicle.  Maybe someone here remember the sub I am thinking of.  It was built from a propane tank I think.

Are you building or designing now Jim? Sorry I can remember.

Doug J


-----Original Message-----
From: Jim Kocourek <kocpnt@tds.net>
To: personal_submersibles@psubs.org
Sent: Tue, 15 Jan 2008 5:11 pm
Subject: Re: [PSUBS-MAILIST] Minn-Kota Thrusters -- Was: teathers

Hi again Doug,
 
I was talking with the people at trollingmotorparts.com, I think I talked with Jim, a very knowledgable and helpful person about controllers. They have many different controllers available. I am still undecided about what I will do, but am leaning toward three separate controllers mounted to my stick or very close to it. While I like the idea of syncronizing them I feel that there will be times that asymetrical thrust will be usefull.
 
If you come up with something clean let me know, because I can clearly see the advantages to both ways.
 
Best Regards,
 
Jim Kocourek
----- Original Message -----
Sent: Tuesday, January 15, 2008 4:00 PM
Subject: Re: [PSUBS-MAILIST] Minn-Kota Thrusters -- Was: teathers

Jim

I'm glad to hear that.  I have two of them on my work table now and I am waiting for a new dual pot that I hope I will be able to use in order to sync them together.   The dual pots I got off ebay from a guy in Arkansas are total POS.  Never trust those Hillbillies. :)

If this dual pot approach does not work
I will need a new idea about how sync the speed of two thrusters.  You aren't by chance going to sync them to one controller are you?   Any ideas on it?

Thanks
Doug J 
Tulsa Okie
www.submarineboat.com

Hi Doug,
 
I just wanted to say thanks! Back in August 07 you reccommended trollingmotorparts.com as a source for thrusters and other minn-kota things. I have purchased my first thruster for fit up and a couple of other items and found them to be exceptionally helpful.
 
Best Regards,
 
Jim Kocourek


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