I spent most of the day at Chapter 1000's fly-in at Rosamond (L00). When I got back, I was able to only endure deburring notches and small holes on 11 more wing main ribs. 18 down, 10 to go. No photos, as a deburred rib is no more photogenic than an un-deburred one. The only visible progress is the height of the "done" stack...