Clamped skin to table. Drilled and clecoed stiffeners to skin. Deburred and dimpled skin. Used pop-rivet dimple dies for trailing edge holes. Deburred, dimpled, scuffed, cleaned and primed stiffeners. (Forgot to scuff stiffeners before dimpling. Oh well.)
Trimming the skin stiffeners.
Drilling the stiffeners to the rudder skin.
Dimpling the rudder skin. The Avery C-frame arbor makes this easy!
