In the interest of simplicity and practicality for most of us, an approach
is to simply plot the chord at some slightly increased amount. That is, if
the finished chord is to be 10", plot the chord at say 10-5/16". When the
wing is built and the extra 5/16" is trimmed off, square or otherwise, you
have about 1/32" thickness remaining at the TE. If this edge is then
treated with thin CA glue, a little resistance to getting dinged up is
imparted.
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