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Old 05-10-2011, 14:13   #31
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Re: Rudder Gone . . .

I recommend you put a volt meter between the shaft & the metal bearing housing just outside of the plastic "insulator". You might find a voltage. (when back in the water). A flexiable wire bonding to remove any voltage will stop further trouble. That pix looks like electrolysis to me. Ali + S/S will produce about .8v ie a battery. What harm could a small length of wire to short out any voltage cause??
Electrolysis like rust works 24/7 & over time will cause problems.
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Old 05-10-2011, 14:42   #32
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Re: Rudder Gone . . .

Yes has been cracked for quite a while, I very much doubt it's a corrosion issue.
Did you change the bearing?
How's the insurance claim going?
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Old 05-10-2011, 15:51   #33
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Re: Rudder Gone . . .

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Originally Posted by rtbates View Post
now that's scary...good thing you HAD two!! can a cat be steered with sails???

How in the world can you ever trust that boat again? or at least the rudders!
Let's not be so dramatic...

On a Cat at least you have redundency; I have no problem circumnavigating with one rudder. Hey, I prefer it on a Mono with none...:-)))

I sailed my Lavezzi catching waves at 19Kts (GPS...) and 40kt winds; I'd trust this boat (and it's rudders...) on any given day.

Maybe that's why the rudder broke...:-O
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Old 05-10-2011, 23:41   #34
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Re: Rudder Gone . . .

Well said. Life can be a bit too safe sometimes.

I would trustr that yacht and yes you can steer it with the sails.
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Old 06-10-2011, 01:02   #35
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Re: Rudder Gone . . .

Cats do suffer the same balance problems as mono's. Getting the sail plan to match the underwater sideview in a dynamic situation is very similar. I suspect the dynamic changes due to heeling are much greater for a mono, but tri's can be sailed without rudders, no reason why cat's can't. Turning circles will be huge though. Open water only maybe. But Cats have the width to stream a drag drogue and moving that from side to side will help to tweak the course.
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Old 06-10-2011, 05:35   #36
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Re: Rudder Gone . . .

Nice dialog, guys.

Insurance covered everything; they only reduced the some Eur 200 for "rudder amortization". The whole ordeal (including tube, rudder and bearings) eneded up costing me Eur 500 - I think it is a good deal...

Bearing was changed, but it has nothing to with the breakage; actually, it broke inside the bearing while spinning freely.... See photo.

Ron
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Old 06-10-2011, 15:16   #37
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Re: Rudder Gone . . .

Thanks Ron,

I'm about to change one of my rudder bearings.
Did the bearing outer race unscrew easily or is it still in the tube.
Any tips would be greatly appreciated.

Great to hear that your insurance came through for you.

I also have some cracking in the fwd cross beam attachment point bosses welding.
I'm going to get it fixed but but was wondering if any other Lavezzi owners have encountered the same thing?
I had the boat moored between two pile moorings for 6 weeks and was wondering if this caused it, as I had not noticed it before.
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Old 07-10-2011, 07:12   #38
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Re: Rudder Gone . . .

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Thanks Ron,

I'm about to change one of my rudder bearings....

I also have some cracking in the fwd cross beam attachment point bosses welding....
DL

Please post photo of crack.

I doubt if the outer race screw in the housing; I believe it is just sits in.
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Old 07-10-2011, 15:35   #39
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Re: Rudder Gone . . .

Hi Ron,

the replacement bearing is threaded so I assumed that it screws in, but in light of your post perhaps it does not.
I will post some photos of the bearing and the cracks.
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Old 08-11-2011, 13:54   #40
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Re: Rudder Gone . . .



Pic of my crossbeam bearing boss cracking, only one side is cracked and I am keeping an eye on it.
I will remove the crossbeam and have re-welded soon.
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Old 08-11-2011, 14:10   #41
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Re: Rudder Gone . . .

Regardless of the cause, this does speak to the advantage in having your rudders on partial skegs. In any event, if your spade rudder struck something and the shaft developed stress cracks leading to its ulimate failure, I guess that is at least better than a bent rudder shaft that locked the rudder on an angle (and which would have made sailing the boat thereafter very difficult).

Brad
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Old 08-11-2011, 14:32   #42
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Re: Rudder Gone . . .

Quote:
Originally Posted by Dragon Lady View Post


Pic of my crossbeam bearing boss cracking, only one side is cracked and I am keeping an eye on it.
I will remove the crossbeam and have re-welded soon.
sorry just can't seem to get the pic up
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