The next task for the wing ribs is to drill some extra holes in the main ribs to provide a passage for a flexible conduit to be installed to carry wires for the full length of the wings. Wiring is needed for things like wingtip lighting in both wings; pitot-heat and stall warning in the … Continue reading Drilling Main Ribs for Electrical Conduit
Category: Wings
Wing Rib Preparation
There are 27 ribs on each wing for a total of 54 ribs, each of which needs to be prepared for assembly. Preparation involves deburring all of the edges so they are not sharp or jagged, then squaring the flanges so they are at a right angle to the web, and finally fluting the curved … Continue reading Wing Rib Preparation
Wing Rear Spars
The main spars are complete. It's time to prepare the wing rear spars. Here is a section of the plans that shows where the rear spar is on the left wing: The rear spar is a Z-shaped channel that extends for the length of the wing. It has very beefy reinforcement bars on the inboard … Continue reading Wing Rear Spars
Tie-Down Bars
The tie down bars need to be drilled and tapped and their spacers fabricated. The spacers are cut from an aluminum bar with a one inch lightening hole cut in the middle. It is called a lightening hole because it reduces the weight of the part. The Freshly Cut Lightening Holes The Drill Press After … Continue reading Tie-Down Bars
Main Wing Spars
Wing construction begins with the preparation of the main wing spars. These spars are the structural backbone of the wings, holding all of the load from the weight of the aircraft during flight. The spars are partially constructed at the Vans factory. Their thick reinforcement bars come riveted to the main spar channel and the … Continue reading Main Wing Spars
Wing Kit is Here
My RV-7 wing kit has arrived. It was shipped by truck and delivered by a subcontractor with a truck with a hydraulic lift. Apparently this is how they handle residential deliveries, i.e. deliveries to locations that don't have forklifts. The kit came in two wooden crates, one long and thin and one wide and flat. … Continue reading Wing Kit is Here