Progress continues, slowly of course. Went to Aircraft Spruce yesterday to get one of the two batteries I will need, so that I can get accurate measurements for the battery box I have to build. Also I got some more supplies, but still not all I need. Today I started the battery box, by building a wooden plug in the shape and size of the two batteries, plus a spacer between. Started laying up carbon fiber today for the box. The process will take a couple of days, with overalpping layups. Continued work on the the power grid.