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Removing rudder

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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: 24 October 2014 at 16:30
Originally posted by Johan Hackman Johan Hackman wrote:

Originally posted by panos panos wrote:

The rudder îs actualy floating so that when the boat is in the water there is small chance to lose it since it is pushing up against the lower bearing.

You might find this video interesting. I filmed it a few years ago to show the buoyancy of my rudder. Before I tried this I thought the rudder would disappear under the boat if I removed the locking screws. 

Johan



Johan
You have to admit that a video of your face if your rudder had sunk to the bottom would have been a picture CryCry
Daydream Believer- Hanse 311- No GBR9917T- Bradwell Essex
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Johan Hackman View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Johan Hackman Quote  Post ReplyReply Direct Link To This Post Posted: 24 October 2014 at 16:46

I would probably look a bit disappointed. I admit that. 

Johan

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Mike400 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mike400 Quote  Post ReplyReply Direct Link To This Post Posted: 24 October 2014 at 19:59
Hello everyone, I'm new to this forum (hmm2011) .... anyway, this is my first post. Nice
@Sailingjack - we also have a 400 # 807 with the same mark in the hull, the rudder is pushed up against the hull as you know now, I have fixed this for 3 seasons with epoxy filler, but through Hanse in Dragör Dk got a spacer ring to be placed on the rudder stock between rudder and hull. I will hire a shipyard that fix this next year.
Contact your dealer he can fix this ring to you too. We are 2 Hanse 400 owners here in southern Sweden, which had the same problem. Want to take this opportunity to give Scandinavian Yacht Center Dragør praise for all the help with this and our other guarantee measures. super happy:-). Well done Morten.


happy sailing

Mike
Regards

Mike

H400 S/Y "Mystique"
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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: 24 October 2014 at 20:49
If the ring is anything like the one I have you do not need anyone to fit it. It is in 2 halves with a couple of bolts & takes minutes to fit.
If it slips on the shaft then the rudder can ride up.
Have you checked that you do not already have one & that it has not slipped
Jefra make standard sizes so should be easy to obtain


Edited by samuel - 24 October 2014 at 20:51
Daydream Believer- Hanse 311- No GBR9917T- Bradwell Essex
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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: 28 October 2014 at 16:24
So I definately need to find a spacer/sleeve/ring (whatever it is called) between the rudder plate and the low bearing to prevent the rudder from chafing the hull. Preferably in two halves for an easy installation.
 
Will contact Jefa next.
Hanse 400#803 s/y Saara
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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: 28 October 2014 at 20:44
The ring on my boat is not next to the rudder, it is just below the top bearing
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franko View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote franko Quote  Post ReplyReply Direct Link To This Post Posted: 28 October 2014 at 20:49
Hi,

Surely you just need to lower the rudder a few millimetres to increase the clearance between rudder upper edge and your hull. That is to say re-position the ring with the three grub-screws a few millimetres higher on the rudder stock.

Or . . . am I missing something ? It's getting late and I haven't had a whisky yet tonight ;-)


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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: 29 October 2014 at 05:40
The ring beneath the top bearing stops the rudder riding upwards. If one cannot lower the rudder enough then the top ring has to be re located as well. If you only move the top ring up then there is nothing to stop the rudder floating up. You need something to stop that happening, hence the ring under the top bearing. So the position of the rudder is dictated by the  rings above & below the top bearing


Edited by samuel - 29 October 2014 at 05:40
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Mike400 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mike400 Quote  Post ReplyReply Direct Link To This Post Posted: 30 October 2014 at 06:47
Right - found info below from jefa.com - the best is that you do not need to dismount the rudder completely just drop it down a little bit and mount the "missing" ring;)) i think, i try to do it by myself, after that i can call me a handy man or I need to call 112

Locking rings:

Locking rings are made of anodised seawater resistant aluminium 6082 (AlMgSI1) and contain stainless steel set screws to achieve a perfect locking on the shaft. Its advisable to pre-drill the rudder shaft a couple of millimetres for the best security. Locking rings are used above the top bearing to prevent the rudder from sliding out of the vessel. Locking rings can also be used underneath the top bearing to prevent a light rudder from floating up. Between a locking ring and the bearing we always supply a delrin ring for a smooth rotation. For super smooth running applications we can supply a delrin ring with a ball race.
Regards

Mike

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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 November 2014 at 11:53

Went to boat yesterday and measured rudder shaft dimensions.

There is no locking ring under the upper bearing holding the rudder down.

The shaft diameter is 50mm and the gap between the bearing and the shaft shoulder is 16mm. Now I need to find/make a ring, preferably in two halves, to install there.

5 months time before launching ... no hurry.

Hanse 400#803 s/y Saara
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