Finished the entire lower skin riveting; both standard and flush rivets!! And set all the flush rivets in the upper leading edge skin.
The clecos remaining in photo #1 are the locations of the root doubler and the wing tip (tip rib). The tip will go on after the upper skins are riveted. The root doubler does not go on until the wings are being rigged to the fuselage.
In photo #3 you can see a little aluminum "tool" I made today. Occasionally a rivet will pull only part way, and not enough to snap the mandrel. This leaves the mandrel firmly locked in the teeth of the rivet gun. One way to fix this is to cut the mandrel with cutters, and then wack the mandrel down with a hammer and punch.
The better way I found was to use a thick piece of aluminum, cut a slot in it to fit the diameter of the mandrel, and round all the edges and corners. Now when a rivet gets stuck I just slide the "tool" around the mandrel like in photo #3, put the nose of the rivet gun against it, and it provides enough extra distance for the rivet gun to finish pulling the mandrel and snap it. With the large surface area of the "tool" the skin (even my polished skin) doesn't get marred.
The lower wing all riveted, except for the root doubler & wing tip (those come later).
Two of the leading edge flush rivets.
An aluminum tool to finish pulling a rivet that is stuck in the rivet gun.
