2.5 hours
Now I'm really jumping around, but a coworker lent me her rivet squeezer which I knew I'd need to set the solid rivets on the canopy bows. The bows on the B-model are pretty nice machined parts that come in three pieces per bow. Each joint uses two 3/16" solid flush rivets, which means these were the first solid rivets I had to do on the whole plane so far now that I think about it. Anyway they'll be visible from the cockpit so I wanted to make sure they turned out nice.
The rivet hand-powered squeezer that I borrowed worked well, but I couldn't quite generate enough force with it to fully set the big 3/16" rivets. It got them set far enough to hold the parts firmly together though, so I set them the rest of the way with a hammer and ground-down bolt like the method on the Sonex website. The end result was pretty good!
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