Riveted trailing edge after weighting down everything with boards and bricks. When done, slightly less than 1/8" of twist was left, which for a nearly 8 foot flap, that is great. I was surprised that the TE alone would take out a little twist. Left flap done!
As with ailerons, rudder, I back riveted TE doing every 4th rivet to prevent the TE from hooking.
