Did the upper skin to spar riveting with the flap installed into the cradle. (Instead of making a new cradle, i simply "Re-purposed" the cradle from the Horizontal Stabilizer construction. ) Next, I weighted the inside of the flap down to the table and used my "Bucking Bar" on a stick to rivet the lower skin to spar rivets. At this point, I set the L. flap aside and began the R. side flap construction.
