Now that aileron priming is all done, I could get on and start riveting the doublers and hinge brackets.

Guess what drink I enjoy??

Here they are … rivets all squeezed. I found it best to anchor the workpieces in the vice to keep everything secure during riveting.

Riveting the doubler onto the L spar.

Doublers attached.

Once the hinge brackets had been attached to the ribs, I could then back rivet them onto the top skins.

Here’s the inboard rib …

… and the outboard rib.