Never Buy a New Hanse - Page 7 - SailNet Community
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post #61 of 114 Old 11-24-2013
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Re: Never Buy a New Hanse

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Originally Posted by Jeff_H View Post
Looking at the crack, I must say that the location and straight vertical orientation does strongly suggest a manufacturing defect. Many modern rudders are made in a two parts and glued together on the centerline. This looks like a failure of the glue line....
Respectfully,
Jeff
Hi Jeff, it does not seam to me that the Hanse rudders are made of two pieces glued together but from a single molded piece:

"Polyester glue is added on all contact places then the rudder stock is carefully glued to the blade.The form is then filled with PU foam which expands dramatically and fills up any free space in the blade. After a few hours rest, the mould is opened and the blade edges are finished by hand."

You can see photos of an open mold here:

Which Yacht Steering System is on Your Boat? |

Do you have noticed that the ruder is scrapping on the hull when it rotates and that there is not any clearance between the hull and the rudder?

[/QUOTE]


There is normal to have a clearance between rudder and hull. Here a rudder from another Hanse:




The fact that there is not one and the rudder is scrapping on the hull suggests that all system was violently pushed up and that could have resulted in a pressure crack.

My guess is that happened when the boat was put on the truck, or taken away from it unless that had happened when the boat was grounded in Sardinia.

The rudder could have hit a rock or if it is a swallow draft version, with the rudder almost at the same level of the keel the waves that existed when the boat grounded could have moved the boat in a way that the rudder could have touched the ground violently even if that was not noticed aboard. One thing is the keel touching the ground and other is the rudder, the consequences are far different.

regards

Paulo


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Last edited by PCP; 11-24-2013 at 12:24 PM.
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post #62 of 114 Old 11-24-2013
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Re: Never Buy a New Hanse

It's possible that what appears to be a 'rub mark' is simply a missed spot when pressure washing.... but the rudder clearance does look tight in the 'crack' pic.

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post #63 of 114 Old 11-24-2013
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Re: Never Buy a New Hanse

I think that Hanse rudder is rubbing. It looks like the scratch marks are in a circular pattern. I would think that if the rudder had been "punched up" at some point there may be some signs of fracured glass inside the boat.

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post #64 of 114 Old 11-24-2013
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Re: Never Buy a New Hanse

At the least, that photo begs for more information before knowing what caused it.


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post #65 of 114 Old 11-24-2013
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Re: Never Buy a New Hanse

Here's a close-up of those scrapes:



Definitely looks like it took a hard hit at some point.
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post #66 of 114 Old 11-24-2013
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Re: Never Buy a New Hanse

Impact resulting in bent shaft, seems clear. As Bob Perry said, it should not be rubbing; Paulo's photos also show that there should be clearance. The impact could have happened in a number of places - transport, grounding etc. Regardless, it should be professionally surveyed. Without meaning to be alarmist, in an extreme case the rudder could break off.
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post #67 of 114 Old 11-24-2013
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Re: Never Buy a New Hanse

No doubt that is is touching and the boat has been bounced pretty hard on its rudder.

But the whole story needs to be told.

When was the boat delivered?

Was it inspected upon delivery? Since it arrived overland a full inspection before launch should have been done before it was signed off from the delivery company. Who received the boat from the delivery company?

What were the circumstances of the cruise and the time the boat grounded? This is something the owner has not posted about.

Has it been repaired? At what cost? And was there any interior damage? Since the rudder is closer to the hull than designed I would expect some as Jeff has said.

Has a surveyor looked at the rudder? That should have been step one after it was noticed.

And I agree the thread title set the wrong note to start with.

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post #68 of 114 Old 11-24-2013
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Re: Never Buy a New Hanse

It has a reverse bend in the post....

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Re: Never Buy a New Hanse

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Originally Posted by deniseO30 View Post
It has a reverse bend in the post....
Looks like it. The repair includes dropping it, repairing any damage to bearings and support inside the hull, and probably a new rudder if the shaft cannot be straightened. Better off with a new one anyway as it would have to be opened to repair it - the labor could easily eat up the cost of a new one I guess. Then there is the strength of a straightened shaft to worry about......

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Re: Never Buy a New Hanse

someone split the front by pulling the rudder with a huge amount of force trying to bend the post back! (it didn't work, and the damage was found)

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