Main Wing Structure

So now that the rear spar was match drilled together, it’s time to put the ribs between the spars, and match drill ribs to the main and rear spar. The most difficult part of the process was making sure that right rib was in the right place. There were two types of ribs, and each had a left and a right. The easiest way to to explain the differences in the ribs is one was inboard, and one outboard. The left and right noted which way the flange faced. This would be important when it’s time to add the skin.

The plans only detail the left wing, so you have to mirror it for the right wing (what was a left rib is now a right ribs, what was right is now left). So that part was confusing, but I made it through it, and I was extremely happy to have the ribs matched.