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Rudder Removal

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robh View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote robh Quote  Post ReplyReply Direct Link To This Post Posted: 31 March 2016 at 11:20
Hi Interlude,

I've had BH since new in 2003 and believe the rudder itself is made by Jefa as all the bits around it, bearings top mount etc have Jefa on them. I've had no issues with the system, apart from the "O" ring seal in the top cap that had split, which I think was due to outside intervention but Jefa sent me a couple of replacements FOC. To be honest I have had no issues with the boat apart from a couple of small manufacturing problems that were fixed in the first couple of months after delivery. I sailed a 342 a few weeks after they released it and from memory there was very little difference from the 341, both excellent boats.

Good luck with getting your issues resolved.


Cheers,

Rob
"Blue Horizon" Hanse 341#113 Portsmouth Harbour UK
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samuel View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote samuel Quote  Post ReplyReply Direct Link To This Post Posted: 31 March 2016 at 15:32
Originally posted by robh robh wrote:

Hi Interlude,

I've had BH since new in 2003 and believe the rudder itself is made by Jefa as all the bits around it, bearings top mount etc have Jefa on them. I've had no issues with the system, apart from the "O" ring seal in the top cap that had split, which I think was due to outside intervention but Jefa sent me a couple of replacements FOC. To be honest I have had no issues with the boat apart from a couple of small manufacturing problems that were fixed in the first couple of months after delivery. I sailed a 342 a few weeks after they released it and from memory there was very little difference from the 341, both excellent boats.

Good luck with getting your issues resolved.



My 311 was also built in 2003. The rudder is the same size as that detailed by Johan Hackman in a thread a few years ago & he has a 34. When I broke it I was shocked at how badly it was made inside & was certainly not a Jefa. The bearings etc - like yours- are Jefa. So perhaps you may not have a Jefa. Do you get water in the blade? I did because there was insufficient foam filling. I drilled a hole 150mm from the top & water ran out. A possible check would be to measure the trailing edge. My one was 50mm greater than my replacement Jefa


Edited by samuel - 31 March 2016 at 15:33
Daydream Believer- Hanse 311- No GBR9917T- Bradwell Essex
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iemand View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote iemand Quote  Post ReplyReply Direct Link To This Post Posted: 31 March 2016 at 20:57
JEFA didn't made rudders in 2003/2004. Yours where made by ERMA in Poland I'm convinced.

As far as I know JEFA started to build rudders in 2008/2009

BR Thomas


Hanse 312 MJ 2004 - Hanse 370e MJ 2007
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robh View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote robh Quote  Post ReplyReply Direct Link To This Post Posted: 01 April 2016 at 12:44
Hi,

I have just emailed my contact at Hanse UK on this, as the documentation and the logos suggest the rudder and all its fittings are Jefa. Additionally, as I mentioned earlier in this thread I had a problem with the "O" ring top seal and after contacting Jefa they sent me a couple of spares. I will also take a look more closely when I take the boat out of the water next week for a pressure wash and anode check to see if I can see anything that indicates the provenance of the rudder.

It could well be that everything including the stock was produced by Jefa and the blade fabricated on Jefa parts by someone else but will not prejudge this.

Once I get an answer I will post it on this thread.
Cheers,

Rob
"Blue Horizon" Hanse 341#113 Portsmouth Harbour UK
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samuel View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote samuel Quote  Post ReplyReply Direct Link To This Post Posted: 01 April 2016 at 16:49
That is interesting.  Where on the rudder blade or stock will I find the Jefa logo?
Daydream Believer- Hanse 311- No GBR9917T- Bradwell Essex
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H8jer View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote H8jer Quote  Post ReplyReply Direct Link To This Post Posted: 02 April 2016 at 08:15
Hi

I don't know what year JEFA began to supply rudders to Hanse.
But my 311 from 2001 has JEFA 42035 STP - top roller bearing and 41068 lower roller bearing.

The rudder is most certainly not a slim high performing Jefa Rudder...

More like a shallow draft bulky polish best try to build a steering device at the end of a boat.
It it of the "old Johan" type. Which properbly is ERMA made. I've seen a ERMA sticker on another location on the boat.

Due to heavy corrosion at the lower roller bearing I have now drilled a 130mm hole and is replacing the whole setup except the top bearing. It will have a metalfree lower bearing, glassfiber tube and no gaiter. 
A RUD34 is on is way, and that rudder is 250mm deeper/longer than the old rudder.

I showed the old rudder to JEFA, and they said that it proberbly had been a deep draft rudder, cut with a jigsaw to be a shallow draft rudder...

/H8jer





Edited by H8jer - 02 April 2016 at 08:18
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iemand View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote iemand Quote  Post ReplyReply Direct Link To This Post Posted: 02 April 2016 at 09:04
That is exactly how they did it. Just cuted it off...
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robh View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote robh Quote  Post ReplyReply Direct Link To This Post Posted: 04 April 2016 at 19:05

I have had a reply from Hanse UK and apparently ERMA made the whole rudder and Jefa made the bearings and other parts of the system such as top cover as ERMA never made the bearings.

Jefa have made their own moulds for the 341 and 342 Erma rudders, as ERMA went bust some years ago and these can be supplied by Hanse UK.

I hope this helps.

Cheers,

Rob
"Blue Horizon" Hanse 341#113 Portsmouth Harbour UK
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Interlude Quote  Post ReplyReply Direct Link To This Post Posted: 14 November 2016 at 06:56
I can now confirm that the rudder fitted to my 342#241, build certificate date 29 November 2004, is as robh suggested (29 March) identical to the wheel steered 341, with a shaft length of 1085 mm.  I assume the cutout transom was introduced after November 2004, with much shorter shaft lengths.  There may be a third manufacturer, as both my original rudder and the Jeffa replacement are very heavy, in contrast to the unit Johan has.

Cheers, Jim
Interlude 342#241
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Interlude Quote  Post ReplyReply Direct Link To This Post Posted: 18 January 2017 at 05:47
I can now report on performance, which is greatly improved.  Tacking angle is significantly better, and there is far more control when she is trying to round up in a gust.  I have seen such reports from other owners before, but seeing (or feeling) is believing.

Cheers, Jim
Interlude 342#241
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