i prepped the bottom skins today, all the dimples and edge deburring are done. i decided to just stick them in place for now. then i started on the right flap. this went together in about a third of the time it took on the first one. then i took it all apart and primed it, of course i deburred and dimpled everything first. tomorrow i'm doing my BFR, so i probably won't get much time after work to rivet, but we'll see.