Today I began to work on beefing up the outer end of the left elevator trim tab spar (E-606PP) by tying it into the E-720J Stiffener. You can see this in the diagram below. Unfortunately when I started this, I didn’t have too much in the way of guidance or direction. Just that it would […]
F1 Mod – Rudder Skin Stiffener
Today I started work on adding a skin stiffener to the upper end of the rudder, which is similar to the elevator skin stiffeners. The picture below is a diagram of where this doubler is located. The details for this doubler were provided to me by Mark Frederick and I started with doing some basic […]
F1 Mod – Elevator Tip and Counterbalance Skin Stiffener
In this log entry I’m working on one of the F1 Rocket elevator mods to stiffen the elevator skins in the area of the counterbalance skin (E-713) and tip rib (E-703). See the diagram below to see the skin stiffener (red) and doubler (green). In the picture below, you can see that I start with a […]
F1 Mod – Rudder Spar Stiffener Angle
Today I spent some time working on the rudder. This is one of the F1 Rocket mods needed to strengthen the standard RV-8 rudder. The mod is to add a beefy aluminum angle which is made from 6061-T6, 1 1/2 inch by 2 inch angle, 0.125 inch thick. Here is a diagram of the stiffener […]