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Rudder Post Ground Wire

Printed From: myHanse.com
Category: Hints and Tips
Forum Name: 505
Forum Description: 505 Hints, Tips and News
URL: http://www.myhanse.com/forum_posts.asp?TID=10825
Printed Date: 21 November 2018 at 19:06
Software Version: Web Wiz Forums 11.04 - http://www.webwizforums.com


Topic: Rudder Post Ground Wire
Posted By: kipwrite
Subject: Rudder Post Ground Wire
Date Posted: 09 June 2018 at 16:30
While removing my broken Jeffa autopilot see http://www.myhanse.com/jeffa-autopilot-failure_topic10801.html I noted a green ground wire attached the top of my aluminum rudder post, just under the quadrant. Jeffa reports that their rudders should not be tied into the 505ís grounding system. It appears my rudder is tied in.

My 505 was delivered in May 2016 and I was quite surprised to see this given all the prior information on this.

Iím trying to confirm this with the factory but I suspect it may be another build error.

Will update once confirmed.



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Kipwrite



Replies:
Posted By: fulanito
Date Posted: 24 October 2018 at 09:26
Hey Kipwrite
Any news from tbe factory on the ground wire.
Cheers


Posted By: Peter-Blake
Date Posted: 24 October 2018 at 09:41
If the ground wire is connected to the electrical system of the boat, than i would remove this connection.

If this wire is going to a Anode only for the rudder post, than it is ok in my opinionand it can stay as it is. It is important that the rudder post has no other ellectrical connection ....


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Blake 370


Posted By: 415 Singapore
Date Posted: 24 October 2018 at 10:49
Hi there should be posts on this from about 2014 when I raised the same issue. As the boat was still under warranty I was reluctant to remove this without Hanse formally agreeing that it was the right thing to do.
They did and we removed the wire
All the best
Paul

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Paul - Night Train - 415 #136


Posted By: kipwrite
Date Posted: 24 October 2018 at 10:59
My dealer - McMichael in Stamford CT - checked with the factory and confirmed this ground wire
was installed correctly and should remain in place.
Iíd check with the factory on your boat.


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Kipwrite


Posted By: 415 Singapore
Date Posted: 24 October 2018 at 11:07
Hi, maybe there is difference between the wiring on a 415 and a 505, but as I said Hanse (factory) said remove it
All the best
Paul

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Paul - Night Train - 415 #136


Posted By: Rubato
Date Posted: 24 October 2018 at 17:52
I would ask the question to Jeffa NOT to Hanse. Jeffa has their act together a heck of a lot better than Hanse does. Electrolysis can only happen if there is the ability to have current to flow which is exactly what the wire provides and it should be removed.

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Steve

Hanse 400e, #168


Posted By: alidal
Date Posted: 24 October 2018 at 18:58
Here is what Jefa wrote to me:
"Regarding grounding of your rudder stock we strongly recommend that you remove it. It only increases the risk of corrosion"

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Hanse 400#655


Posted By: StavrosNZ
Date Posted: 24 October 2018 at 21:01
I agree with Peter-Blake, if the rudder is connected to hull anode only and not the rest of the boats wiring system then this is the best solution. 

Don't assume that an isolated rudder will remain isolated forever (dirty bridges, autopilot shorts, worn autopilot bushes etc etc).

I posted an article some time back about removing the factory connection between 12v negative buzz and shore-power earth buzz thats worth reading.


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Stephen
2010 H400, Auckland, New Zealand


Posted By: kipwrite
Date Posted: 24 October 2018 at 23:40
As I recall, my dealer confirmed that the rudder post has its own anode, separate from the rest of the system, as delivered by the factory. Iím not sure when Hanse started doing this. My boat was delivered from the factory in early 2016.

Rubato, will check this set up with Jeffa, as you suggest, and report back their response.



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Kipwrite


Posted By: kipwrite
Date Posted: 25 October 2018 at 10:20
Sent Jeffa a note last night and they responded promptly:

Hi Harvey..
You can just keep the ground cable as it is. It is made in a good way as you describe. It was a old story where the cable was connected to the motor etc. it is several years ago where it was done in that wrong way.


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Kipwrite


Posted By: Captain Cook
Date Posted: 25 October 2018 at 11:21
My anode is connected to the aluminium shaft, and no other places. This after advice from Jefa homepage. It is inside the copper-free zone around the rudder shaft.



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Freya Hanse400#27


Posted By: Rubato
Date Posted: 25 October 2018 at 17:53
This setup, separate from the rest of the system with its own anode, makes sense. Glad you got that clarified.

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Steve

Hanse 400e, #168


Posted By: Captain Cook
Date Posted: 07 November 2018 at 22:01
The reason I mounted this little anode was a tiny bit of corrosion on my rudder-shaft. For some years I did not know that there has to be a copper-free antifouling zone around the rudder-shaft.



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Freya Hanse400#27



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