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Rudder Post Ground Wire

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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 Topic: Rudder Post Ground Wire
    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.



Edited by Captain Cook - 08 November 2018 at 10:10
Freya Hanse400#27
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Rubato View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rubato Quote  Post ReplyReply Direct Link To This Post 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.
Steve

Hanse 400e, #168
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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: 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.



Edited by Captain Cook - 25 October 2018 at 11:23
Freya Hanse400#27
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kipwrite View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kipwrite Quote  Post ReplyReply Direct Link To This Post 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.
Kipwrite
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kipwrite Quote  Post ReplyReply Direct Link To This Post 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. Im 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.



Edited by kipwrite - 24 October 2018 at 23:54
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Post Options Post Options   Thanks (0) Thanks(0)   Quote StavrosNZ Quote  Post ReplyReply Direct Link To This Post 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.
Stephen
2010 H400, Auckland, New Zealand
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alidal View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote alidal Quote  Post ReplyReply Direct Link To This Post 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"
Hanse 400#655
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Rubato View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rubato Quote  Post ReplyReply Direct Link To This Post 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.
Steve

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415 Singapore View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 415 Singapore Quote  Post ReplyReply Direct Link To This Post 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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kipwrite View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kipwrite Quote  Post ReplyReply Direct Link To This Post 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.
Id check with the factory on your boat.
Kipwrite
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