Yesterday's work included drilling, drilling, and more drilling. Then, was followed by deburring, deburring, and more deburring. The Rudder Hinge Brackets, Rear Spar, and Rear Spar Doubler were all final drilled. The Tip Rib, Root Rib, Nose Rib, and Rib flanges were adjusted to match the taper of the Spars and Skins. (The precision from the Van's factory only required a few very minor adjustments).
The corners of the Nose Rib and Tip Rib were radiused to allow the Skin to fit better and more easily. All four Ribs were then fluted to straighten the web of the rib. None of the Ribs required much work to straighten. The Ribs were then fitted to the Spars and final drilled to the Spar attach holes.
Lastly, the Skin was fitted and clecoed to the Vertical Stabilizer skeleton. Again, only very small adjustments were required to achieve the perfect fit. All the Skin to Vertical Stabilizer assembly holes were then final drilled.
The entire Vertical Stabilizer was then completely disassembled and all the parts were then deburred.
The video below covers all the fitting, drilling, and deburring of all the pieces, except the Skin.
The video below covers the Skin deburring.