Today I riveted all handholes on the bottom skin of the right wing. Once I finished with installing the tinnermans I decided to go back to the ailerons and balance them. I used "Great Stuff" spray foam to install a plug 14" from the root side of each aileron inside the spar tube. I used a large plastic straw to extend the foam straw. It worked well. I will let this dry before proceeding with balancing the ailerons.
