You are correct, the aft flaps move to the full retract position during the flip. Edit:In this clip.
https://www.facebook.com/share/r/rGgMw6GJszhAPACF/
Re: landing legs. The legs on Ship 30 etc were quite small and were capable of withstanding the landing forces, I think they were fitted with crushable feet though. So not exactly quick turnaround stuff.