Carbon Fiber Stiffened Warpless Walnut Tray??

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Project by Winthrop posted 03-21-2016 03:45 PM 1085 views 0 times favorited 4 comments Add to Favorites Watch

I wanted a solid, not glued up, walnut tray, but of course it warped like crazy. I’ve been playing just a bit with carbon fibre, so I decided to flatten the tray it back out with clamps and laid unidirectional carbon fiber in epoxy in 3/8” deep 1/4” groves.

Any one tried this? Think it will hold up to Boston’s fluctuating humidity??

-- James, Annapolis, MD ([email protected])

4 comments so far

View shipwright's profile (online now)


8397 posts in 3335 days

#1 posted 03-21-2016 04:43 PM

Interesting experiment. Carbon fibre masts are very strong but are meant to flex a little…..
Keep us posted.

-- Paul M ..............the early bird may get the worm but it’s the second mouse that gets the cheese!

View Grumpymike's profile


2430 posts in 2852 days

#2 posted 03-21-2016 08:07 PM

Another way to remove the warp or cupping is to rip the wide board into three pieces, joint the edges and re glue them making sure that the grain goes back the same. The result is an invisible joint and a flat board.
Like Paul said, keep us posted on your results.

-- Grumpy old guy, and lookin' good Doin' it. ... Surprise Az.

View Texcaster's profile


1286 posts in 2210 days

#3 posted 03-21-2016 09:52 PM

Carbon fiber tubes and bars are common in guitar bass necks with five or more strings, used in conjunction with truss rods. I use CF alone to build double bass necks. (no truss rod) The tube is epoxied in the groove and caped with a timber filet to avoid sanding CF and inhaling very toxic dust.

-- Mama calls me Texcaster but my real name is Mr. Earl.

View Snipes's profile


437 posts in 2781 days

#4 posted 03-21-2016 11:18 PM

my guess is cross grain, no. A glued up board won’t cup?

-- if it is to be it is up to me

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