On page 5 of the plans take note of the following revisions. 

1. On the center section the overall dimensions shown on the top spar as 83 7/8" should be 83 5/8" (this was simply a typo).

2. On the outer spar, the overall dimensions shown on the top and bottom as 94 1/16" should be 94" for the top and 94 3/16" on the bottom.  (This is needed in order to get the 4.125" (2.5º) distance for the dihedral.  There needs to be a 3/8" difference between the top and bottom spars for each wing to get the dihedral.  The 3/8" is then split between the center section and the outer wing (3/16" each).

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