[Public-List] Knee replacement

pat nolan pnolan33 at yahoo.com
Tue Mar 31 20:22:47 PDT 2009

take a look at g10 glassfiber in the latest woodboat mag. looks like it might be just right.

--- On Tue, 3/31/09, Hugh McCormack <hugh_alberg at hotmail.com> wrote:

From: Hugh McCormack <hugh_alberg at hotmail.com>
Subject: [Public-List] Knee replacement
To: public-list at lists.alberg30.org
Date: Tuesday, March 31, 2009, 11:40 AM

Good day all,

The recent thread concerning chain plates and weak knees due to water infiltration (water in the knees...no wonder we think of boats as living things) and the parallel discussion about the strength of plywood or hardwood prompts my questions.

Has anyone replaced their knees (and/or bulkheads) with new ones made of King Starboard?  If so, what is the relative strength of Starboard compared to plywood or hardwood?

I have searched the list archives but can find no discussion of the use of King Starboard except for replacement of the spacers under the jib or genoa tracks.  The King website says that the product's tensile strength is 4100 psi but they don't say for what thickness of material.  If this applies to 3/4" material then it appears to be considerably stronger than plywood..  It also suggests that thinner material could be used in a repair/replacement.

Does anyone have any experiences or thoughts?



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