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 Anti-Hang Up Guide
Good day, today I’m starting to work on the flop tube fuel pick-up installation, and in particular the anti-hang up guide over the root rib access panel. This is another one of those areas were the HRII Sport Wing plans are silent and the RV-4 plans are very basic in their description. Reviewing many other […]
Capacitance Fuel Sender Plates
Good day, today I started to work on building some parts needed for the capacitance fuel sender system. The best place to start if you want to incorporate this mod into your F1 is to get a copy of the Van’s OP-7 Capacitive Fuel Quantity Sender drawing. I decided to go with this system because […]
Fuel Tank Trap Door
Good day, today I’m working on the fuel tank trap door which is located on the 2nd inboard rib from the root. The purpose of the trap door is to create a bit of a header tank in the inboard fuel tank bay, acting as a check valve allowing fuel to flow into that bay […]