More bulkhead riveting today. it's fun to finish parts. here's some pics of the aft mid (or something like that), and also the furthest aft bulkhead! done!

Next we're match drilling these ribs which get seat belt attach points, and also the flap motor goes in here somewhere...

Mostly i use the super awesome DRDT-2 dimpler for skins and such, but when you need to dimple the attach hole of a nutplate, you gotta get down on the ground with the old-school C-frame, and whack it with a hammer.