Good day, today I’m working on the fuel tank stiffeners and finishing up the fuel tank forward root rib bracket. I began with laying out all of the lower fuel tank skin stiffeners from the AA3 stock that came with the RV-4 wing kit. However, as I’m building the large 55 USG extended range tanks, […]

Good day, today I’m going to be continuing with working on the fuel tank root rib. I starting off with finishing up the T-407 reinforcing rings that I made, using the RV-4 supplied parts as a template. I made a bunch of these rings because I need a total 14 of these as I need […]

Good day. Today I’m working on the preparation of the fuel tank ribs to add all of the various holes for fuel transfer between bays, vent line hole, and water drainage. I also started by working on fabricating the forward inboard root rib attach brackets. The layout for these brackets is pretty straightforward. Then I […]

Good day, just a quick update for today as I just took delivery of some parts I need for the fuel tanks. These included a beautiful set of Newton fuel filler caps. These locking fuel caps are expensive ($250.00 CDN – each!!) but are much nicer than the fuel caps that came with the RV-4 […]