Completed countersinking of frame components. Primed all parts. Began assembly by back riveting the forward frame plates together. Then clecoed the frame strips onto the forward frame and squeezing these rivets. Then riveted the aft frame plates together (with the additional support angle) and fit these to the forward assembly. Pop riveted the aft frame to complete assembly of the cabin frame. Rechecked alignment and measured completed frame assembly.Located the support angles into the completed frame, marked, primed and riveted these together to form the two end support channels.Trimmed back the quick build aft canopy decks to allow the support channels to properly fit. Marked holes for canopy closing pins, but didnt make cuts. Riveted deck angles together. Ready to rivet other quick build uncompleted deck rivets.Trimmed the quick build J-channels to allow the F-774 rear skin to be fully clecoed to the bulkheads and cabin frame. Completed clecoing of the F-774 skin to allow determination of where to attach the support angles.Installed NACA air inlets on both sides with fuel tank sealant and rivets. Also riveted in airflow valve support brackets.
