January 21, 2020

Pitch Servo Connector Issue

As I was laying out the wiring to the pitch servo, I realized there is a slight issue. Can you spot the problem in the next picture? As you can see in that picture, there’s not much room between the autopilot connector and the neighboring rib, meaning the wires coming …

Bundling Wires with Lacing Cord

It’s a minor detail that you don’t usually see, but I like the finished look of neatly-bundled wire harnesses. While zip ties are convenient, they can damage the wire over time – under vibration, the edge of the zip tie chafes the Tefzel jacket, and eventually can cause intermittent connections, …

Main Wiring Harness

I finished adding all the needed wires to the main electrical harness. Now, I can begin adding terminals to the wire ends, and for some of the connectors, putting the terminals into the connectors. I have to leave some connectors off until the harness is installed in the fuselage because …

Brake Lines Part 2

I continued running the brake lines out to the left and right skins, just aft of the main gear channel. To help with installation, I temporarily attached the reinforcement plates that fit over the skin where the wing attaches, and then drilled 3/8” holes in the reinforcement plates for bulkhead …

Autopilot Servos Arrived

I received my Garmin GSA 28 servos on Saturday, so I’ll focus on some tasks this week related to the servos: making the pushrods, pinning and building the electrical connectors, and then installation of the servos. In reading about these servos, I learned a few things that I’m really happy …