[Public-List] Backstay Knee Rot

[Andrew Johns]

I will give them another look. They were dry and firm when I poked them
with a screwdriver. I guess over the years chainplate leaks that showed up
in the cabin were repaired, while the backstay was unfortunately out of
sight and out of mind.

On Mon, Nov 25, 2019 at 11:45 AM Don Campbell via Public-List <
public-list at lists.alberg30.org> wrote:

> I suggest that you check all the knees for the same thing. I had the
> forward
> lowers do the same thing and they too were plywood with tabbing over them.
> The plywood had lost all glue and was totally delaminated, so of no
> consequence for strength. I used white oak as the replacement.
> Don Campbell
> White Opal  #528
>
> -----Original Message-----
> From: Andrew Johns via Public-List
> Sent: Monday, November 25, 2019 9:26 AM
> To: Alberg 30 Public List -- open to all
> Cc: Andrew Johns
> Subject: [Public-List] Backstay Knee Rot
>
> Good Morning All,
> While we are on the subject of cautionary tales... I would like to mention
> what I found when removing our backstay chainplate.  On the outside, the
> knee looked great, nicely pained with no signs of anything abnormal.
>
> When removing the chainplate, I found loose bolts and the plywood used to
> create the knee was entirely rotted out inside its fiberglass covering. I
> suspect ignored leaks between the deck and chainplate contributed to its
> demise.
>
> I'm planning on opening up the knee this spring and replacing it with
> either fiberglass board, Coosa or some sort of nonwood composite.
>
> Hopefully, this helps someone else.  Maybe pull one of the bolts and hope
> the plywood doesn't come out in liquid form!
>
> Andrew
> ECOLA #104
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