Hello all! This topic grabbed my interest and I had to jump in. I took the diagram for the TAV-8B from the NATOPS manual (as it appears to use the same DDI from the F-18 in the Open Hornet project) and dropped it in Fusion 360 so I could get some measurements.
I "calibrated" the image from the Open Hornet dimensions in 360. From what I've seen, the Open Hornet dimensions appear to be right on, so if the NATOPS diagrams are to be trusted (which is not always the case) the UFC shows as a rounded 135mm X 144mm. I pulled a bunch of pictures this evening to try to compare, but it will most likely be tomorrow before I jump on it. Work will most likely be slow tomorrow so I may spend some time making the UFC in 360 with these dimensions.
-Quentin