Walnut and Hickory Box joint stability

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Forum topic by Shirk99 posted 08-15-2017 10:21 AM 772 views 0 times favorited 2 replies Add to Favorites Watch
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3 posts in 1067 days

08-15-2017 10:21 AM

I am building a hope chest for my step daughter. My wife wants me to use hickory front and back with walnut sides with finger joints. Is this combination going to be stable? I believe hickory moves more than walnut?
Thank you

2 replies so far

View jdh122's profile


1164 posts in 3598 days

#1 posted 08-15-2017 10:58 AM

It’ll be fine. By my calculation there’s about 1/1000th of an inch difference per inch of width with maximum seasonal contraction (from 8 to 14%). In reality it’s likely to be less, given the use of a finish and the fact that it’s unlikely that the moisture is at the maximum or minimum when built. Each individual finger will very easily absorb that much difference. In fact I doubt there really are wood combinations that are incompatible for this reason.

-- Jeremy, in the Acadian forests

View splintergroup's profile


3804 posts in 2003 days

#2 posted 08-15-2017 02:13 PM

I agree w/Jeremy. The shrinkulator shows roughly the same coefficients of expansion between the two woods

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