Today the task as hand is to install the left wing aileron bellcrank structure. In the picture below, I have the angle pieces already pre-cut and match drilled to the bellcrank rib. The next step was to add the wing rib supports. These two shown below are pieces from the RV-4 wing kit. They work, […]

Progressing with building up the left wing skeleton, the plan for today is to drill the rear spar to the wing ribs here on the left wing. To start I have the rear spar clamped in place to the inboard and outboard wing ribs. On the inboard side I made a straight edge to give […]

In the last build session I was able to get the tip rib match drilled and mounted on the spar. Today I’m proceeding with finishing up the nose rib installation. With the tip rib installed, I was able to use a piece of 3/16″ threaded rod to help me hold the nose ribs in place. […]

Today I’m continuing with the installation of the left wing nose ribs. This began with locating and drilling the rib attach angle to the spar as shown below for the W-4081-L rib. In the picture below, I temporarily have the rib set in place. I’ll have to come back later to trim the flange so […]