The front spar got (temporarily) bolted in place to be match drilled with the center tunnel, and then the front fuse section an the rear fuse section were (temporarily) joined!
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This has to be done because the two bottom skins overlap under both of the spars, and everything needs to be lined up and match drilled.
With the bottom skin match drilling done, I moved on to match drilling, deburring, and counter sinking the side plates. I also deburred, scuffed, and dimpled the little “system brackets” which have all sorts of fun edges on them!
Then it was time to split the fuse again to deburr and dimple the part of the bottom skins that were just match drilled.