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linear drive steering system

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Lippe View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Lippe Quote  Post ReplyReply Direct Link To This Post Posted: 20 March 2010 at 20:10
Originally posted by Richard108 Richard108 wrote:

If you have not already have a look at the Jefa download files specific for the Hanse 370 at
 
 
I am preparing to install Simrad DD15 to my Hanse 400.  I like to ask do I not need to apply the 106 mm offset that is requested in each DD1 and DD15 manual.  The specific Hanse 370 & 400 instructions seem not to require the 106 mm offset.

Looking the referred schematic drawings and photos in Hanse case looks like the output lever's shaft, rudder stock's center are both about in the boat's center line and 106 mm offset is not applied.

In my Hanse 400 (year 2008) there is space to install DD15 having 106 mm offset from rudder stock and output lever's shaft center (when rudder is at zero degrees).

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S/Y Lippe
"True sailor doesn't ask for proper wind. He learns how to sail"
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Peter-Blake View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Peter-Blake Quote  Post ReplyReply Direct Link To This Post Posted: 21 March 2010 at 12:37
Hi Lippe, be aware that following Jefa DD1 and DD15 is notn the same. See here:
 
Originally posted by jefa jefa wrote:

Following the conversation, I have to make a remark that normally the Jefa DD1 is like the Simrad DD15 but not for a Hanse. Please look at this web page and you will find the special ordering number. http://www.jefa.com/News/hanse-rp150/hanse.htm The difference is the output lever (shortened, pin in different hole and pin down) and what is more important a pre-attachement of the cables on a watertight manner. You can convert a Simrad drive to work in a Hanse, but you will have to modify the output lever and take extra care in sealing the unit against water. The normal application for this drive is not abovedeck like in a Hanse.

Armin
Jefa sales director
Blake 370
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Lippe View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Lippe Quote  Post ReplyReply Direct Link To This Post Posted: 21 March 2010 at 18:47
Hello Peter-Blake,

Thanks for you note. Yes I have noted these Armin's advices about the drive units themselves and have made recommended updates for DD15.

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S/Y Lippe
"True sailor doesn't ask for proper wind. He learns how to sail"
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mystudio View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mystudio Quote  Post ReplyReply Direct Link To This Post Posted: 10 May 2018 at 20:20
This is an old topic, I'm aware of that. But, it's the right topic for me, so, I'd like to use the expertise in this topic. On my Hanse 320 there is a Jefa DD1 drive mounted when I bought the boat two weeks ago. However, no elektronics mounted. So, I'd like to configure and mount the needed stuff. However, in my opinion, the Jefa drive is mounted in the wrong way. 
The center of the arm of the drive should be more in line with the center of the tiller lever, I think. This way the draglink cannot move freely to both sides. Am I right? Should the drive be mounted more to the portside of the boat? I measured the lengt of the arm of the drive and the center of the pinhole and that's the correct 130mm, as it should be for Hanse. Any advice appreciated! 


Edited by mystudio - 10 May 2018 at 20:28
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Captain Cook View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Captain Cook Quote  Post ReplyReply Direct Link To This Post Posted: 10 May 2018 at 23:58
It seems that someone stole your draglink connection? You can buy a new at Jefa. Read this:
https://www.jefa.com/steering/steering.htm - all technical drawings/prices you need.
Try the search function here on myhanse: "Jefa/DD1", there are more subjects about this.



Edited by Captain Cook - 10 May 2018 at 23:59
Freya Hanse400#27
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Jens View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jens Quote  Post ReplyReply Direct Link To This Post Posted: 11 May 2018 at 08:10

I think it will work fine as it is mounted. So, you will need to find a draglink connector and then give it a try. Strange that there is no rudder feedback installed. But you will be able to sail without a feedback if you tell the auto pilot that it is an outboard engine.  

 

Jens
Hanse 370, #423, 2008
Three cabin
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mystudio View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mystudio Quote  Post ReplyReply Direct Link To This Post Posted: 11 May 2018 at 08:28
The draglink is there, however not mounted because it's causing problems with the movement of the tiller. It's impossible to mount it this way and steer fully to the left and right. I think, because of the placement of the Jefa motor, the alignment is causing the trouble. I can take some pics with the draglink mounted and you will see what I mean. The housing of the Jefa drive is in the way of the free movement of the draglink. So, probably the drive has to me mounted far more to portside and maybe in an angle, to get free movement of the draglink. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote H8jer Quote  Post ReplyReply Direct Link To This Post Posted: 11 May 2018 at 10:46
Hi MyStudio

You might be right. This photo is of the setup in my Hanse370 year2008

Hanse 370#480 30HP 3-cabin
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Captain Cook View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Captain Cook Quote  Post ReplyReply Direct Link To This Post Posted: 13 May 2018 at 09:01
In Jefa homepage you can find the technical specifications, like max rudder movement 2x36 degrees, and max DD1 movement 2x65 degrees. (shorter arm=longer movement). And the lenght af the draglink has to be in the interval 300-2000 mm.
Jefa has an excellent customer service, send them the photo, and ask if the DD1 unit is placed correctly.

Freya Hanse400#27
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Captain Cook Quote  Post ReplyReply Direct Link To This Post Posted: 13 May 2018 at 23:30
Be aware, that in some cases, the draglink connection is mounted on the topside of the arm on DD1.
On the Hanse 370/400, the draglink is mounted under the arm. In the picture you can see, that the draglink is placed in the innermost of the holes. When you see DD1 arms with just one hole, it is because the arm has been shortened. (The second hole cut off). Is it a solution to move the long draglink coming from the wheel, so that it instead is placed under the aluminium arm of the rudder? Then the draglink from DD1 can be mounted on top of both arms, and thereby not interfering with the house of the DD1?





Edited by Captain Cook - 13 May 2018 at 23:52
Freya Hanse400#27
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