In this work session, I started by taking off the temporarily assembled nose skin and prepping it for final assembly. This meant I had to remove the blue vinyl covering from both sides, some final hole deburring, dimple all of the rivet holes that would be receiving flush rivets, edge-rolling the two trailing edges using the special rolling tool from Cleaveland Tools, scuff the parts that would be primed, and then actually prime those portions of the nose skin. Again, I tried to minimize wasted primer by only painting it on the portions that would be in contact with the spar, other internal aluminum ribs, or the stainless steel counterweight tube.
After that, I started assembling the nose ribs into the nose skin and flush riveting the easy rivets in the nose skin. The assembly was a little confusing here because I wasn't following the order of operations strictly enough, so I ended up having to drill out a handful of the rivets just after installing them. I got a little more than half of them with hand-squeezer or hand-riveter (there were a few blind rivets to install), but there are still a few more that were too hard to reach and I will need to use the pneumatic rivet gun on tomorrow.