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Post by rxc on Apr 27, 2016 16:50:09 GMT
On y va, you are right. I will need to figure out what went wrong inside the box in order to fix it.
Sigh.
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gui
Full Member
Posts: 40
Jeanneau Model: SO37
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Post by gui on Apr 27, 2016 18:48:13 GMT
When I installed a new windlass in my SO37 I had to do a bigger hole in the anchor locker. I don´t know if the wood of the compression post is the same but the wood that Jeanneau put for the windlass is hard wood
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Post by On y va on Apr 27, 2016 20:46:05 GMT
On y va, you are right. I will need to figure out what went wrong inside the box in order to fix it. Sigh. Good plan Batman! gui: the wood around the anchor locker is water resistant plywood, which is fine for the application, as it has no compression forces on it, but relies on directional forces. The compression post however, sort of gives it away: has compression. And a LOT of compression. So you cannot really compare the two 1:1 nor draw any conclusions out of it.
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gui
Full Member
Posts: 40
Jeanneau Model: SO37
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Post by gui on Apr 27, 2016 22:00:20 GMT
On y va The wood for the anchor locker has forward compression forces .
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Post by On y va on Apr 28, 2016 7:13:37 GMT
gui : what forward compression forces? explain? Are we talking about the same wood?
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Post by Len on Apr 28, 2016 15:54:08 GMT
When we had Dragonfly surveyed we saw what we thought was about a 1/4 inch of sag in the mast step. We negotiated a deal to have it fixed after reading about problems others have had. The yard drilled into the hardwood block below the compression post and found no water intrusion and all looked good. I had them remove the wood and they replaced it with G4 and epoxy. In hindsight it didn't need done at the time but since it was being paid for I had it done for peace of mind and one less possible future project. According to the rigger the hardwood step encapsulated in fiberglass is fine as long as water is kept out. They also replace the hardwood core between the mast and the compression post as well. We had a rigger check out the mast and do some rewiring and add a conduit while it was down. It was good to get a clean bill of health before we sailed from San Diego to Portland.
Len
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Post by tarn on Apr 30, 2016 7:16:49 GMT
Hi I have also heard of this problem with a Jeanneau 34 1996 I think. It was proffesionally repaired and no further trouble. My question is this is a production fault which appears to be although not common certainly in evidence. So has the problem seen some alteration in the manufacturing process and if so when? A concerned SO 32i owner. Kind regards tarn
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Post by alenka on May 8, 2017 19:54:09 GMT
I came across this problem when looking for a 43DS to purchase. I saw two boats both circa 2002 that had been affected. Ie that the encapsulated wood between the keel and the mast step had rotted away to pulp due to water ingress.
I was told by a Jeanneua salesman that the production method had been changed on the 43DS from 2004 onwards and the problem was not likely to occur on boats after this date - But then he was a salesman and I did hear on the grapevine that a small number of 42DS models have had exactly the same issue.
Has anyone suffered this problem on any Jeanneau post 2004?
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Post by freeflow on May 16, 2017 18:41:41 GMT
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Post by freeflow on May 17, 2017 20:14:07 GMT
Ok, I checked my 2003 43DS for compression post base rot and.....I see a little bit of sag and bolt head slack. I will need to address this in the near future.
SO, SHAME ON YOU JEANNEAU for shoddy design and workmanship of this critical structural component. I mean really, what did it save in material costs? $50?
What else is lurking on this boat? sigh
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Post by alenka on May 17, 2017 22:34:37 GMT
Freeflow,
When you raise this problem with surveyors most just shrug and tell you similar stories of other boats from other manufacturers that suffer from exactly the same problem; And it is not just the cheaper end of the market either.
Little comfort of course.
On the 43DS one of the first signs of problems are generally small leaks around the forward facing salon windows, If your yard tells you that you have to re-seal the windows get a second opinion or get a surveyor in.
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Post by ericso37 on Sept 25, 2017 19:33:26 GMT
We purchased a Sun Odyssey 37 this summer, year 2000. And we just noticed that the compression post dropped down around 1 inch. Even on the deck at the base of the mast, we can see, it's seems to bend a little bit, like a banana. I saw here in the discussion, the procedure on how to do it. Did someone did it ?....how ''easy'' it is ? Also, can the deck go back up by lifting it with a jack ?
Thanks in advance.
Eric
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Post by rxc on Sept 25, 2017 20:41:14 GMT
As I write this, the last layer of fiberglass is being applied to build up the mast step in my boat in Deal, MD. The contractor is Osprey Marine Composites, and they cut the top of the box open to discover a mass of sodden wood in the box. It was scooped out and the area was all dried out before they installed a block of mahogany encapsulated in resin. The block was then embedded in more resin with layers of fiberglass mat to build up a solid mast step. They considered installing a fiberglass I-beam, but decided that wood would not be a bad choice (1) if it is the right wood, and (2) if it is properly protected from water. Mahogany is a good choice here, according to several people I have talked to. The whole void is filled solid, so that both the fore-aft stringers and the athwartships ones form a support for the insert. The mast had to come down, and the compression post came out. I have an idea about the source of the water - one of my AC units sits under the settee just outboard of the mast step, and the pan normally drains thru a hose into the bilge pocket. However, I can easily see how, in heavy weather, any residual water in the pan could easily end up in the mast step, causing rot Replacement Mast Step - 43DS
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Post by sailbleu on Sept 26, 2017 5:52:54 GMT
Rxc ,
maybe I'm getting ahead of things , but how is the exact height of the new platform reached ? I mean , they have to get the compression post in between the deck and the new fiberglassed post , as far as I know this post is non-adjustable , will they use spacers or is it just a tight fit that will be pushed down when the weight of the mast comes on again ? I'm curious of the technical aspect of the repair you see . Love the pictures you supply.
Regards.
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Post by lelilaboat1 on Sept 27, 2017 1:42:20 GMT
Anyone with a 53 experiencing a sinking compression post?
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Post by saltymetals on Sept 28, 2017 0:25:12 GMT
I have a 2004 43 ds but there is no sign of collapse of the base under the compression post. I specifically checked for this 2 years ago when i bought the boat. I wonder if Jeanneau changed the construction in 2003/2004.
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so43ds
New Member
Posts: 6
Country: Italy
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Post by so43ds on Jan 11, 2018 20:40:03 GMT
Hi, sorry for my bad English. I live in Italy. I have this problem on my 43DS 2002.it's possible to have other photos of the repair? in particular how you found the interior
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Post by MalcolmP on Jan 13, 2018 14:29:19 GMT
Hi, sorry for my bad English. I live in Italy. I have this problem on my 43DS 2002.it's possible to have other photos of the repair? in particular how you found the interior No problem with your English ;-) Much better than my Italian... Worth looking at this thread too: jeanneau.proboards.com/thread/6037/40-ds-owners-spill-beans which now has a photo of the compression post interior damage.
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so43ds
New Member
Posts: 6
Country: Italy
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Post by so43ds on Jan 15, 2018 8:37:59 GMT
Tanks.
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Post by alenka on Jan 15, 2018 22:28:26 GMT
I have a 2004 43 ds but there is no sign of collapse of the base under the compression post. I specifically checked for this 2 years ago when i bought the boat. I wonder if Jeanneau changed the construction in 2003/2004. I was told that Jeanneau moved the production line of the 43DS in 2003 and at the same time modified the design to resolve this issue. My 2004 model is still going strong and I hope it remains that way. I saw one 43DS being repaired in Plama. It took less than a week from start to finish. The mast really has to be removed to do the job properly. You also need to tell the repairing yard to use extreme caution when doing so otherwise the forward facing windows will crack if the stress is suddenly removed. The yard told me they see many boats of all makes with similar issues. They charge around €3,300 but were clearly very rehearsed in this repair procedure. I know of two large Moody's that have been diagnosed with the same problem.... It's not just Jeanneau that got it wrong.
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Post by freeflow on Feb 11, 2018 17:58:11 GMT
I noticed a small compression at the deck and decided to get after this since the boat is in inside storage for the winter here. this is a 2003 43DS. The plywood looks good and solid, but there still was about 1/4" to 3/8" depression at the mast step. I am redoing it all since I have time and good workspace and a friend that has rebuilt many large boats a few photos of progress....slow progress... I am also getting rid of the stupid deck gland penetrations and adding a gooseneck inside the mast for wiring runs
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Post by markevans on Jun 3, 2018 19:01:00 GMT
My 43DS has sunk but not very much, but still, I won't relax knowing it could collapse. So I've removed the compression post (and mast of course) which I managed to do without resorting to Acrows. Even managed to remove the subfloor in one piece.
After removing some of the grp I am now down to the non-marine grade end on end ply which isn't wet but isn't dry either.
Did you remove all the ply down to the hull? How did you dig it out? How did you establish the correct level to rebuild the base too (given that it had collapsed)? Did you fill it as Jeanneau guidance with grp or has anyone used hardwood. It is a large volume of resin that's for sure.
I'm hoping the get this out tomorrow so any guidance welcome.
I will in due course post up the whole shenanigans.
Thanks.
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Post by sailingharry on Aug 3, 2018 16:52:47 GMT
I have just finished reading this thread with a great deal of interest. I am looking at my second prospective 43DS this weekend, and will look closely at the compression post step.
I just want to add a thought on the horror of Jeanneau's construction technique. While it is disappointing, for sure, I wouldn't cast stones at Jeanneau. My '79 Sabre had a rotted step (I did the work myself, a big job). Other boats have it as well. "Marine plywood" is used in a lot of interior structural work, and...well, "marine plywood" isn't well suited for exposure to water (sure, it's strong, doesn't have voids, has waterproof glue, etc -- but it's made of a basic wood that is still susceptible to rot). It's an industry-wide problem that can't be avoided by something as simple as avoiding a Jeanneau DS.
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