I needed something small today. I need to go to bed early tonight, but I was itching to accomplish something after my huge building day yesterday. I remembered that I skipped some of the main spar nutplate steps from earlier. Let’s go back and hit those.

Okay, the first picture I could find was after drilling/deburring/dimpling the access plates, countersinking the spar flange for the nutplate attach rivets, riveting the nutplates on, then countersinking the spar holes to accept the access plate dimples.

I’m not super happy with the way the dimples sit in the countersinks yet, but I’m nervous about going any deeper today.

Here’s a shot of the third (of six) done.

After completing all six access plates, I grabbed the big nutplates to attach to the spar web.

And a gratuitous lower picture.

I think this next picture is the right spar.

1.0 today. 8 nutplates on the web of the main spar, then 24 each of the main spar flanges. 56 total.