Our one and only session this week was well attended, despite the un-forecast blizzard-like conditions outside. And while there was a mountain of drilling on the agenda, we got through most of it. The top main skin, inboard and outboard nose skins, and the fuel tank skin were all put in place to begin drilling.
Then we drilled the rear spar channel to the trailing edge and main skin. The team measured out the proper 80mm spacing between the center hole of the flaperon arms to the trailing edge and drilled the first couple of holes to “tack” them in place. Then the real drilling began…
Again, there is an opportunity to twist the wing at this stage, so after the straps were snugged up, we double checked the wing for level on each end. This time it was good (using a digital level, recall on the other wing we were off by more than half a degree and corrected) and the nose skins were drilled.
All in all, a great night of progress on a short week. The second workbench is going to really help speed up the next couple of chapters prior to starting on the fuselage.