Tonight I’m continuing where I left off in my last work session. I’m working on the horizontal stabilizer rear spar to tip rib stiffener angles. I began by center punching and drilling pilot holes for the rivets. Once the angle had the pilot holes drilled, I clamped it in place so I could match drill the […]
Horizontal Stabilizer – Trimming and Drilling
The horizontal stabilizer is really starting to come together. Now that I have all the ribs in and drilled, it’s time to take the skins off and once again get access to the internal structure for a little bit of trimming and some more drilling. With the skins off, you can see that I still […]
Horizontal Stabilizer – Skin Drilling
Today I started drilling the skins of the Horizontal Stabilizer (HS). The skin comes predrilled but the holes all need to be drilled out to the final size (#40). Also the forward spar, between the root rib (E-705) and main rib (E-708), is not drilled. The skin is pre-drilled in this area, but not the […]
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 […]