J92s Rudder Post

[Dan Sullivan]

Looking for some advice on pulling my rudder out to inspect/repair.

I hauled my boat for a quick bottom check and saw that the rudder is getting more movement side to side. It appears the bushings or the rudder post are wearing.

I would like to correct this condition before it gets worse. I plan to pull the rudder when I haul out in 2 weeks from now. 

My question, has anyone done this on their J92s and can offer some advice?. Or if there is a schematic of the post/bearing setup? 

The attached photo of the connection from the inside of the boat does not reveal much. 

Dan Sullivan Little Joe J92s  #31

 

[Sting]

We had to replace the bottom housing and bearing in #55.  We had quite a bit of corrosion in the aluminum housing that was squeezing/seizing the Delrin ball ring and causing it to bind up.   It was a difficult removal as the original housing was glued in with something like 5200.   The yard supported the area under the housing with jack stands as the housing was cut out from below and punched out with some serious impact!

Went with a Jefa Rudder Systems bearing system for the bottom replacement - the top bearing was in great shape and was left in place.   We also upgraded the bellows system as well. Steering has been perfect since then.

[Philipp]

hi dan.

It’s really easy. just remove the tiller and the tiller head fitting (above deck) and have someone down below the hold the rudder, so it doesn’t fall. :-) make sure you have enough space under the boat, but it shouldn’t be a problem on a normal road trailer.

we replaced our rudder bearing last winter with new bearings from this french shop and had no problems there.

https://www.international-boat-spares.com/en/146-j92s-stainless-steel-rudder-stock-version-

also check out this thread

https://groups.google.com/g/j92owners/c/Jfc45Kh1BdA/m/2yM5vbsGDgAJ?pli=1

there is also drawing in the J/92s manual annexes.

all the best.

cheers Phil.

 <J92s Rudder Post.jpg>

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<J92s Rudder Post.jpg>

[Philipp]

A few more tips and pics

- removing the pin of the tiller head fitting was a bit of a pain in the butt for us. in the end we gave it a few good hits with a hammer

- we had two people down below to hold the rudder

- to remove the bearing you have to turn it by 90 degrees horizontally. its quite snug so you have fiddle around a bit. 

- we are very happy since. no play at at all in the rudder.

good luck!

Phil (hull #68)

Am 23.04.2024 um 22:53 schrieb Philipp <phgl...@gmail.com>:

hi dan.

[Dan Sullivan]

I want to thank everyone (Patrick, Phil and Mark) that responded to my request for information on pulling my rudder and replacing bushings. From your information, I have a very good idea of the assembly and how to make the repair.

Much appreciated.

Dan

[JD Vincent]

Hi Phil,

Can you tell me where you sourced the rubber “bellows” on your rudder post in the picture?  I need to replace min on hull # 66.

[EC Helme]

This is a really useful thread with some great advice and links, thank you.  92S #56 here.  What do folks think is an “acceptable” amount of play at the very bottom tip of the rudder?  

EC Helme

401.688.5618

On Apr 26, 2024, at 12:52 AM, Philipp <phgl...@gmail.com> wrote:



A few more tips and pics

- removing the pin of the tiller head fitting was a bit of a pain in the butt for us. in the end we gave it a few good hits with a hammer

- we had two people down below to hold the rudder

- to remove the bearing you have to turn it by 90 degrees horizontally. its quite snug so you have fiddle around a bit. 

- we are very happy since. no play at at all in the rudder.

good luck!

Phil (hull #68)

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[JD Vincent]

Great info, thanks Phil.  

On my 2007 92S (hull # 66), I have no issues with the rudder bearings, but the rubber bellows below deck (between deck and the hull) that covers the rudder post has aged and cracked.  Phil, the pic of yours shows this bellows looks like new.  Did you replace it, and if so, where did you source it?

To view this discussion on the web visit https://groups.google.com/d/msgid/j92owners/48E8DB98-701A-4040-931C-7048059FE24B%40gmail.com.

[Philipp]

The photo of the post below deck is not my picture. It’s a screenshot from the j92s manual annexes. :-)

[Sting]

We replaced the bellows with the one-piece gaiter made by Jefa: https://jefa.dk/products/sealing-systems/

The one-piece requires dropping the rudder to install, they have another that has a seam that can be glued together, but we had the rudder out already so it was easy to install.   Zero torsion resistance,  that I can tell, when steering. 

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[JD Vincent]

Sting, thanks for that information.  I read the Jefa description under "tube and gaiter" and noted this:

"The system consists of an aluminium tube, which is bonded to the lower bearing and to which is clamped, via a stainless steel jubilee clip, a neoprene gaiter. The top end of the neoprene gaiter is clamped to the rudder shaft by a second jubilee clip. The gaiter is made to allow up to 90º of rudder travel (± 45º), without causing inelastic extension to the gaiter."

My boat (2007 92S, hull # 66) has the rubber bellows that looks like the one in the picture posted by Phil from the J boats owners manual.  At the top, it is secured to the rudder post with a hose clamp but at the bottom it has come loose (or torn, not sure) and the hose clamp is lying loose at the bottom of the post.

Here is what I think happened to mine:  For winter layup, I remove the tiller from the boat and store it inside.  I started doing this a few years ago when I noticed the aft end of the tiller was beginning to delaminate (I repaired it with glue and it is fine now).  When the tiller is removed from the boat, the rudder has a tendency to rotate on its own 80 degrees from its normal position.  I think this extreme rotation has torn the bellows at the base, because the system is designed to accommodate only so much rotation (+ or - 45) , not 180 degrees.  

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