My current plan is to get the airframe up on the gear so I can roll it in and out of the workshop to do the remaining fiberglass work outside. I decided to do a trial fit of the Avionics before doing this, just to make sure everything fitted properly after riveting together all of the sub-panel brackets.
The trial installation took about 3 hours, and no adjustments were required. I only did the minimal amount of wiring to get power to the panel, installing a single master switch controlling the primary (left) system master solenoid. Power came from a car battery on the floor next to the baggage door. I left out the Transponder/ADSB system, the Avidyne IFD didn’t have a GPS antenna, and of course with no engine there were no EMS sensors. I taped a COM Antenna, and the Dynon GPS puck, onto a chair outside the workshop. I ran the ADAHRS cable through one of the conduits and connected the primary ADAHRS only, sitting on a shelf in the rear. Didn’t worry about the harness cables much, just crammed them in – a real installation will take a lot longer when it happens.
It all worked at first turn-on, apart from warnings associated with the pieces that were left out / not connected. Nothing calibrated but I was able to use the COMM’s, enter flight plans, wobble the ADAHRS and see the screens update correctly etc. It was a useful exercise and helped firm up how I was going to route some of the wiring.
Now I get to take it all out again (which won’t take long) and get back to the plan – up on the gear and a month or so back in fiberglass hell.