Today I’m working on the fuel tank rib layout for all the various holes that need to be added to the ribs. These are fuel transfer holes, venting hole, and holes for the fuel vent line. There are significant differences here between the RV-4 plans and the HRII Sport Wing plans. In particular, the fuel […]
Fuel Tank Stiffeners and Tank Bracket
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, […]
Fuel Tank Parts Delivery
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 […]
Left Tank Rear Baffle
Today I’m working on the left tank rear baffle. As these tanks I’m building are the optional 55 USG extended range fuel tanks, I’ve decided to add access panels in each of the tank bays should I need future access. The reason for this is because the tank is so long, you just can’t reach […]