Then I setup for priming. I don’t normally prime in the hangar due to having other planes around. However, this primer dries before overspray is an issue, and this was a very small amount of priming to do. I decided to prime outside the hangar using the Preval aerosol sprayer.
Next its time to start putting the counterweight and nose ribs together. Because corrosion will be more likely with dissimilar metals, I decided to also prime the rivets. I didn’t mix up a batch of the AKO primer, but instead just used the self etching primer in a can.
I’m very happy with the result. The slightly oversized countersinks worked perfectly. The CS4-4 rivets laid almost perfectly. I used a hammer to tap the edges down to finish the job. Here is the end result.
Here’s a mistake. DON’T rivet the bottom of the aileron nose ribs at this point. You’ll need the bottom open to rivet the top of the spar. I mis-read the directions, which are poorly written in this section and got ahead of myself. Luckily, they were easy to drill out.
At this point I realized that riveting the top of the spar was going to be very difficult. I was having difficulty positioning and securing the aileron. After reviewing a few other build logs I found the solution pictured below.
Riveting the top spar is not easy. The rivets nearest to the ends allow you to reach your hand in the side to hold the bucking bar as shown here. The ones in the middle… well, I’ll get to those tomorrow.