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Tuttle Box Repair
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dllee



Joined: 03 Jul 2009
Posts: 4593
Location: East Bay

PostPosted: Wed Oct 16, 2019 5:48 pm    Post subject: Reply with quote

Damage is to back of box.
Stand board up to use gravity in your favor.
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Alena



Joined: 04 Jul 2000
Posts: 39

PostPosted: Wed Oct 16, 2019 8:21 pm    Post subject: Reply with quote

The back of the fin box is damaged and pushed in 2-3 mm so it makes sense to stand it up it will help the epoxy stay where I want it the box needs little boost where is is pushed in, it the area will therefore be horizontal and hopefully not drip.
Gravity will help the glue seep in through the crack on the back wall. Of course there are corresponding cracks on the sides as well.
I will use a syringe to get epoxy in there.
Where is Eva the Board Lady when I need her the most.? I hope she is sailing in a beautiful spot.
The Serenity is my most precious possession and I hate to practice on this work of art. It is like coming to a hospital on July second and getting a doctor with one day of experience.
Alena
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dllee



Joined: 03 Jul 2009
Posts: 4593
Location: East Bay

PostPosted: Wed Oct 16, 2019 9:19 pm    Post subject: Reply with quote

If I were looking for Eva, I'd try Lake Mohave now, Bird Island in winter, and Lake Isabella in Spring.
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gschuel1



Joined: 04 Apr 2005
Posts: 52
Location: Narragansett, RI

PostPosted: Thu Oct 17, 2019 5:26 am    Post subject: Reply with quote

You need to purchase a new fin box assembly from Chinook. There are a variety of types available. Not sure what you need. Route out the old fine box with a hole large enough to fit the new box. Then follow my previos instructions. Repaired fin box will be much stronger than before but board will be slightly heavier slightly heavier.

https://chinooksailing.com/collections/board-building-part-accessories
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Alena



Joined: 04 Jul 2000
Posts: 39

PostPosted: Thu Oct 17, 2019 7:26 am    Post subject: Reply with quote

I am completely incapable of such an operation.
Eva come back.
Alena
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outcast



Joined: 04 May 2004
Posts: 2709

PostPosted: Thu Oct 17, 2019 9:48 am    Post subject: Reply with quote

I can look at it for you if it's on Cape.
Time is a factor for me, but I can get you started in the right path
Send me a pm if interested
I live near Exit 7

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bred2shred



Joined: 02 May 2000
Posts: 966
Location: Jersey Shore

PostPosted: Thu Oct 17, 2019 3:46 pm    Post subject: Reply with quote

Alena wrote:
The back of the fin box is damaged and pushed in 2-3 mm.....
Gravity will help the glue seep in through the crack on the back wall. Of course there are corresponding cracks on the sides as well.


Back of the fin box is pushed in and cracked, cracks on the sides....to me this sounds like a structural issue and should be addressed by someone who knows what they’re doing. Simply filling in the cracks with epoxy is unlikely to be a sufficient, long lasting solution. More than likely, structual fibers have been broken and need to be replaced (probably a new finbox).

Did you install the fin and flex from side to side, watching and listening for movement?

sm
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Alena



Joined: 04 Jul 2000
Posts: 39

PostPosted: Thu Oct 17, 2019 6:42 pm    Post subject: Reply with quote

I did install it and it was tight as before but I am going to check again this weekend I did not apply lots of force did not yank on it. I hope it is tight and will just need the epoxy fix.
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mark



Joined: 10 Apr 2000
Posts: 155

PostPosted: Thu Oct 17, 2019 7:06 pm    Post subject: Reply with quote

[quote="gschuel1"]You need to purchase a new fin box assembly from Chinook.

The Chinook box in a medium depth Tuttle and will not work if you have a deep Tuttle fin. Your 70cm fin is most likely a deep Tuttle. Larry Tuttle's company is called Waterat located in Santa Cruz, CA. Fiberglass Supply in Burlington, WA lists 2 Waterat versions in their catalog. The 4.75" deep version is most probably a deep Tuttle box. I haven't used one in years but I recall that the Waterat box does not have a top like the Chinook box so as long as it is deep enough it should work. The top of the box where the screws are located is built from glass layers on the top of the board.

I think some of the foil companies like Go foils also offer Tuttle boxes but you would need to check to see if they are the deep Tuttle version.
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Alena



Joined: 04 Jul 2000
Posts: 39

PostPosted: Sat Oct 19, 2019 8:56 pm    Post subject: The happy? end Reply with quote

So it was between major surgery and a conservative treatment.
I tested the patient and the fin box felt strong and solid.
So I did the little surgery , injected the cracks with epoxy and filled the bottom with thickened epoxy. Looks real nice.
Thanks for the advise. Especially positioning the board so gravity keeps the epoxy from spreading. That was the key. And not easy as the board is 5 meters long.
Actually unexpectedly it was kind of a fun thing to do. Also fixed a trash bucket while at it.
Hopefully will last longer than me i.e. another 50 years or so.
Thanks again
Alena
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