Avionics/Wiring

I am installing a dual-battery electrical system. The primary battery, an EarthX ETX900, will be installed in the standard location behind the baggage compartment. The second battery, an EarthX ETX900-VNT (the vented variant) will be installed under the subpanel. A… Read More »Forward Battery Box

I have been experimenting with a few ideas while waiting for epoxy to cure between rounds of finish work on the cabin top and doors. My airplane will be IFR capable and I will be installing an alternate static source… Read More »Alt Static Sensor

I always do one last walk around before getting into the airplane, but there’s still that nagging thought: “Did I latch the baggage door?” My baggage door will have a strut that holds it open when unlocked so it should… Read More »Baggage Door Sensor

The Garmin avionics that I am using provide support for a TO/GA (takeoff/go around) button. When used during a missed approach, this instructs the flight director to perform a straight-out wings-level climb and sequences the missed approach procedure on the navigator.… Read More »Throttle TO/GA Button

I have chosen to design and build my avionics wiring harness so I have been spending most of my build time lately working on wiring diagrams and a CAD model of my panel and sub panel. Creating a comprehensive wiring… Read More »Avionics Installation Planning

I took the opportunity to attend the Avionics Installation for Experimental Aircraft course at the Aircraft Electronics Association (AEA) headquarters in Lee’s Summit, Missouri. This is a 3-day course that focuses on the Garmin G3X system. I arrived Sunday afternoon… Read More »Course Review: Avionics Installation for Experimental Aircraft

I have been working on the design of my instrument panel while waiting for various kit parts that are on backorder. I have also been working on diagramming my electrical system in KiCad. Van’s provides a CAD model of the… Read More »Instrument Panel Design

I crimped the lugs onto the battery and ground wires at the firewall while I still have easy access. I am using Perihelion Design Fatwire CCA which takes a 1/0 AWG equivalent lug. I used TE Connectivity #321868 lugs (TERMINAL… Read More »Battery/Ground Wire Firewall Lugs

I’m working on getting firewall components prepared before installing the upper forward section. I have chosen to use VTE Copper Core Power Bushings. These use an anti-rotation cutout and are rated for 550 amps at 12 volts. The threaded shaft… Read More »Firewall Power Bushings