I got out the left side leading edge skin and took the vinyl off the inside. I then got out the stall warning kit of parts. I had previously jumped to the right leading edge work when I saw the plans calling out the prep work for the left side for the stall warning system. The left leading edge skin has a cutout for access to the system after the leading edge is attached. The prep work appears to be drilling a doubler for the access cutout and maybe even locating and cutting the slot for the stall warning vane that hangs out from the bottom of the leading edge. I didn’t spend a lot of time on this before calling it a night with the action to do some research on it. The stall warning kit appears to be good for both retrofit and new wing builds. It appears that early wing kits did not have the access hole cutout and that this kit provides the ability to locate the cutout via indexing off of leading edge rib rivet holes with the doubler. One of my thoughts was that since I am considering installing an AOA system that maybe I didn’t need to install this stall warning system at all. VAF has captured this discussion pretty well already and there are two views: 1) AOA systems are good enough by themselves, and 2) Install both for a “belt and suspenders” approach. I think I am leaning towards the second approach of having both systems installed. An AOA system will be new to me as a pilot. I am already familiar with the stall warning systems in the Cessna and Piper aircraft I fly today.
