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Project tug boat Q's about ESC - 6/30/2007 2:39:59 AM   
zooman


 

Posts: 50
Joined: 5/8/2006
From: Jasper, AB, CANADA
Status: offline 		Hello
I'm planning on building a tug boat using a electric trolling motor used for fishing. It's 12 or 24 volts. I boat is going to be 3 to 4 wide and 5 to 6 feet long.
I need info on speed controler that would handle that kind of power. The motor is 4HP .
Any info or ideas you have I want to hear them.
Thanks
       Post #: 1

RE: Project tug boat Q's about ESC - 6/30/2007 3:01:53 AM   
Umi_Ryuzuki



Posts: 1376
Joined: 12/20/2003
From: PDX, OR, USA
Status: offline 		MCD probably has a big one you can use.
http://www.modelcontrol.com/
They are typically used in large robots.

< Message edited by Umi_Ryuzuki -- 6/30/2007 3:02:07 AM >

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RE: Project tug boat Q's about ESC - 6/30/2007 3:20:41 AM   
ryan_t888



Posts: 4455
Joined: 7/24/2005
From: Hamilton, ON, CANADA
Status: offline 		Wow, that's about 124 amps on 24v and 250 amps on 12v, if it is geared/propped for 4hp. Do you photos of this beast?

Ryan

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       Post #: 3

RE: Project tug boat Q's about ESC - 6/30/2007 3:33:36 AM   
zooman


 

Posts: 50
Joined: 5/8/2006
From: Jasper, AB, CANADA
Status: offline 		It's an older minn kota motor 4hp is the rating...

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       Post #: 4

RE: Project tug boat Q's about ESC - 6/30/2007 3:35:35 AM   
ryan_t888



Posts: 4455
Joined: 7/24/2005
From: Hamilton, ON, CANADA
Status: offline 		Ya I have a Minn Kota 30 pound thrust trolling motor. No clue how much power that is. I don't think its any where near 4 hp as a deep cycle will last a a few hours at speed 5.(maxed)

Ryan

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A theory may be so rich in descriptive possibilities that it can be made to fit any data. - P.J.L.

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       Post #: 5

RE: Project tug boat Q's about ESC - 6/30/2007 3:41:12 AM   
Maggster


 

Posts: 223
Joined: 6/11/2002
From: Blanchard, MI, USA
Status: offline 		Maybe I am missing something obvious, but why not use the speed control from the trolling motor?

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It may take me a while, but when I'm done it sure looks like a rush job.

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RE: Project tug boat Q's about ESC - 6/30/2007 3:41:57 AM   
zooman


 

Posts: 50
Joined: 5/8/2006
From: Jasper, AB, CANADA
Status: offline 		The motor has 4 Hp on the side of it. I would use the speed controler but it's 5 forward and 4 revrerse.
Not enough control.

< Message edited by zooman -- 6/30/2007 3:42:43 AM >

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       Post #: 7

RE: Project tug boat Q's about ESC - 6/30/2007 3:44:50 AM   
zooman


 

Posts: 50
Joined: 5/8/2006
From: Jasper, AB, CANADA
Status: offline 		I don't need reverse as the motor will spin 360'. I'm going to mount it in the middle of the boat.

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       Post #: 8

RE: Project tug boat Q's about ESC - 6/30/2007 3:45:45 AM   
Maggster


 

Posts: 223
Joined: 6/11/2002
From: Blanchard, MI, USA
Status: offline 		I was right, I was missing something obvious

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It may take me a while, but when I'm done it sure looks like a rush job.

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       Post #: 9

RE: Project tug boat Q's about ESC - 7/2/2007 4:30:53 AM   
green-boat



Posts: 371
Joined: 6/26/2005
From: Arnold, MO, USA
Status: offline 		Have you checked out Vantec http://www.vantec.com/

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RE: Project tug boat Q's about ESC - 7/2/2007 9:42:07 AM   
LtDoc


 

Posts: 1750
Joined: 11/29/2003
From: McAlester, OK, USA
Status: offline 		Zooman,
From what's been posted I would say you have two choices, spend lots of money, or sort of cobble together a mechanical speed controller.
Most trolling motors use a foot pedal that varies a resistance to control speed. No idea exactly how that thingy is put together, but there should be some way to use a servo to do that varying part. Might be a rather large servo, but still cheaper than an ESC rated for that kind of current handling!
Good luck!
- 'Doc

Pictures would be very nice!

(in reply to green-boat)
       Post #: 11

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