I fit the inboard and outboard fuel tanks on the left wing. I drilled a #30 hole per plans for the fuel sump boss. I put a piece of masking tape with a centered X on the boss to see how far off it was vs. the location described in the plans. I realized I was not getting a good fit because I did not carve out the boss holes in the root rib. I got them roughed in and have to work them to fit a bit more. It looks like I am setting pretty good on the sump boss but until I get these holes in and fit I am going to hold off on drilling it to size.
