Today I spent a lot of time drilling holes in the arms of the HS-3201 forward spar doubler. As mentioned before, this is a key place to be using a drill press for maximum accuracy. I don’t have a lot of discussion to add. I think the pictures here speak for themselves and my process. […]
F1 Mod – HS-810-1 Reinforcing Angle Tapering
If you recall way back in this post I replaced the Van’s HS-810-1 reinforcing angle with a larger piece of angle (same dimensions as the lower HS-814-1 angle) as part of the F1 Modifications. Tonight I worked to taper this new angle (this would be F1 Rocket part number HS-014). I started off by cutting […]
F1 MOD – Drilling the HS-3201 Forward Spar Doubler
Tonight I removed the HS-3201 forward spar doubler to drill the rivet holes used to attach it to the spar. This isn’t too difficult to do. First I started by determining the required rivet edge distance and I started with the most outboard hole on each arm of the doubler. As this doubler is an important […]
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 […]