Gentlemen,
Except for loose parts in the kit (bellcrank, elevator joiner, etc), this should be the last installment. Note one picture represents a 1/2 span trailing edge. The other is the center of the span showing the center two ribs close together.
The trailing edge is 36" long, and the two end rib notches are approximately 1/8" into the TE from the end (see right edge by the 20" mark), and all rib slots are cut into the TE to a depth of 5/32"...this gives quite the surface area for the ends of the ribs to glue to.
Rib slot spacing is on 2" centers from the ends to ALMOST the middle of the span. The four center ribs are spaced a little differently, that is the two center ribs are 1-19/32" apart, and the adjacent ribs to either side are 1" from the center ribs. I'm sure the TE was machine cut on a mechanical jig...so spacing isn't very true across the TE (speed and volume of cuts over accuracy). I hope the words convey what I mean, but here are pictures: