Collected all the materials and began laying out the main spars. Lots of holes to drill and deburr. Started using the simple dimple tool - it does make decent rivet dimples, (although I wish they were a bit deeper) even though I broke both the nails that come with it. Finally figured out that the dimple doesn't get any deeper when I really crank on the hand riveter than it does when I just squeeze it. Using this dimple tool is really slow however - I don't look forward to doing the wing skins.
