Tonight I set about setting the rivets that attach the wing ribs to the spars but lie underneath the fuel tank skins. There is no rivet call out on Van’s RV- 8 diagrams for these rivets. I found AN426AD-3.5s to be the perfect size. 
Tonight I set about setting the rivets that attach the wing ribs to the spars but lie underneath the fuel tank skins. There is no rivet call out on Van’s RV- 8 diagrams for these rivets. I found AN426AD-3.5s to be the perfect size.