The vertical stabiliser has some points to watch. Important to open up the M4 holes in the lower part of the vertical spar. Use some bolts to be sure they freely fit later on. I opened them up to 5 mm. The rivnuts are by design I think held behind the vertical channels. Looks a bit strange, but all holes do align and it seems that Evans Sling official build video advocates this assembly. (Rather than drilling clearance holes for the rivnut flange heads. (This may weaken the effectiveness of the rivnut). I set aside for the moment as I am missing rib 1. 26 Jan 2022 Avionics package arrived from the USA, did a fit of the RAMI 525 VOR antenna, carefully filing out the holes per KAI. With the grommets in place, it’s a tight fit. A bit of a bulge, let’s see how it goes with the skins. Note that the pins on the top of the antenna are connected to the antenna elements and could easily short over time with the doubler plate. I filed them flush and added some Teflon tape. 8 Feb 2022 LAA inspector signed off the empennage skeletons, so started skin riveting with the vertical stabiliser.
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