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Removing rudder

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Sailingjack View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Sailingjack Quote  Post ReplyReply Direct Link To This Post Posted: 15 March 2016 at 08:28
Here's my update. Better late than ... whatever!
 
Here is how I solved my rudder problem. Just a 1mm thick teflon washer and a regular two piece shaft collar. Since it's black oxide, I've got some rust already after one summer. But rudder turns smoothly and no longer scratching the hull.
 
Hanse 400#803 s/y Saara
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espenalb View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote espenalb Quote  Post ReplyReply Direct Link To This Post Posted: 29 March 2017 at 08:29
Thank you for excellent documentation of this problem! My Hanse 400 had the exact same issue, and I was just about to start a process of modifying the rudder itself, assuming it was a problem with the shape of the rudder.

This post saved my ass! Now I am just waiting for a washer and a shaft collar, then I'll have this issue fixed. Smile
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StavrosNZ View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote StavrosNZ Quote  Post ReplyReply Direct Link To This Post Posted: 04 April 2017 at 22:25
The problem with these two piece clamp on rings is that they are to thick, you will end up with a gap between your rudder and hull that is way to large. Also if some idiot tries to remove your rudder and doesn't know its there they will do lots of damage.

The gap between your rudder and hull should be 3-5mm with these rings its more like 20mm resulting in noticeable vibration through the steering when motoring due to disturbed water flow not to mention increasing forcing on the rudder at wrong point.

On my 400 i used a glass filled nylon skin fitting nut 2 inch, machined threads out of the center to give me 50.5mm clearance for the 50.0mm shaft.

Cost of the washer NZ$4.00, the flange of the nut is perfect size to sit against the under side of the top bearing.

I fitted this with the boat in the water, unbolted the steering quadrant and retaining ring, pushed rudder down out of the top bearing, dropped the washer on and refitted rudder, retaining ring and steering quadrant.

Clearance between rudder an hull is approx 5mm.




Stephen
2010 H400 #691, Auckland, New Zealand
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DJgun View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DJgun Quote  Post ReplyReply Direct Link To This Post Posted: 23 December 2020 at 12:26
Nice solution Stavros.
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Heikki View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Heikki Quote  Post ReplyReply Direct Link To This Post Posted: 02 October 2024 at 08:05
Hi,
I want to remove rudder for service from my Hanse 400e 2006. I suppose I have to remove the bolt going through the rudder stock. I that all I have to do?
Heikki
Melanie
Hanse 400e #121
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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 October 2024 at 08:21
that is all you need to do to loose the rudder. you should suppor the rudder from the bottom side otherwise the rudder can simply fall down and get damaged
Hanse 312 MJ 2004 - Hanse 370e MJ 2007
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MasterKeil View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote MasterKeil Quote  Post ReplyReply Direct Link To This Post Posted: 02 October 2024 at 15:36
There is a Jefa Video on youtube:
Hanse 370#640 "Nemesis"
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Mark_J1 View Drop Down
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Post Options Post Options   Thanks (2) Thanks(2)   Quote Mark_J1 Quote  Post ReplyReply Direct Link To This Post Posted: 02 October 2024 at 17:11
Heikki - FYI some points from my own experience of dropping the rudder.  My 400e is hull #31 and the Jefa setup looks the same.

1.  Remove the horizontal bolt in the rudder shaft.
2.  Note the quadrant is part of the top bearing, and does not move vertically.
3.  In theory the rudder will drop out.  In my experience, it's far more stubborn than that!
4.  Assuming the rudder shaft needs 'persuasion', then a rubber mallet is a good start.  That dropped the shaft a few centimetres, however it then stuck again.
5.  As per the Jefa videos, I then had to use wooden wedges between hull and the top of the rudder and squeeze them in with an F-clamp.  Jefa also uses a very large wooden pole as a lever!
6.  Just when you are about to give up the rudder finally drops, so do have padding below ready for it.  
7.  Assuming the boat isn't too high in its cradle the stock won't actually come right out.  To extract the rudder you'll need to lean it backwards, and draw it out sternward.
8.  If you are feeling strong you can do it all by yourself, however a helper is advised :)
9.  If you have minor corrosion on the shaft then Jefa do a repair sleeve, which can be slid into place.  Drop them an email, I found them very helpful.  A repair sleeve will likely cause a swap of the bottom bearing.  That's a little tricky to get out the first time, so check the Jefa videos for a how to guide.
10.  Overall, it's an awkward job first time around but gets easier!  :)

Mark

 
Hanse 400e "Grey Goose" Hull #31
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Heikki View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Heikki Quote  Post ReplyReply Direct Link To This Post Posted: 07 October 2024 at 19:55
Thanks for all hints. After removing the bolt the rudder slowly came down by turning it back and forth.
Melanie
Hanse 400e #121
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Heikki View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Heikki Quote  Post ReplyReply Direct Link To This Post Posted: 07 October 2024 at 20:01
My next question is how to remove the bottom bearing? It seems to be the same type as shown in Jefas video, but it is completely stuck and does not move at all.
Melanie
Hanse 400e #121
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