Originally Posted by mc607
I dimpled the tops and the ribs under the wing walk doubler. Dimpled the doublers and the skin also. Couldn’t bring myself to c/s .032 skin. Turned out fine. Just make sure you use a longer rivet through the doublers. Think I used 4.5 long but not sure.
Exactly correct. Same for the RV-10. Dimple the skin, the doubler and the rib. Did this on three sets of wings and they came out perfect.