Re-installed RH Tip - great fit and alignment (whew !). In order to install Tip Rib per next Steps 1-3 (Sect 24-04) needed to remove Tip first so I could remove aileron. Good thing I was only using about 25% of the mounting screws. Then re-installed Tip so I could align Rib into Tip while mounted to Wing. Sure glad I tied a string to the Rib first, since I managed to "drop" the Rib while position and tweaking. I would have gotten to remove the Tip again to recover the Rib deep inside Tip. Van's instructs to remove the Rib after only drilling a hole at each end, marking centerline on Rib, then re-align Rib back into position via holes drilled through Tip only. Instead I simply drilled all the holes with the Rib locked in position...way easier.
