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Tenon repair advice needed

Author: m1964
Date: 2021-10-27 03:48
Attachment: 043.JPG (1220k)

Hi all,
thank you for your replies to my previous post about cleaning water damaged R13.

After I took off all the keys, I noted two superficial cracks on the lower tenon that originate from the tenon ring on the upper part of the tenon.

I also found another crack through the rim of the bell tenon. The crack goes through the rim and extends into the part normally covered by cork, by about 5mm.
The picture is attached, although the only visible portion is on the rim but the crack does go further in, by about 5-6mm. (I was afraid to spread it too much).

I am not sure that superglue alone will hold it. If I understand correctly, the "proper" repair would be to place a band of carbon fiber around the tenon, over the area covered by the cork.

I, however, was thinking of placing a thin wire strand(or two strands) around and soldering the ends together. After that, the cork would cover the repair.

Since there no forces on this tenon besides when attaching or removing the bell, I think such repair (with a wire strand) would hold well.

Please advise if you think that super glue alone will be fine.

Thanks a lot.

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