I used a CNC router for a lot of the wood parts for my Hatz Classic. The rib nose and tail pieces were a minor part of what I used it for. For a while it was my favorite tool. I also had all the metal parts laser or water jet cut. It saved hundreds of hours of work. As mentioned, the problem for most people would be creating the gcode files. I have a background of using AutoCAD for work so it wasn't a problem. I redrafted the parts I needed and bought some software to translate the AutoCAD to gcode.

The recent article about the Skyote in SportAviation is a good example of using modern methods to build classic airplanes. The idea of having the gcode for the CNC cutting in public domain is also a good one. Whether the CNC work is done in house or hired out is mute. For the most part my metal pieces cost a few dollars each to have laser or water jet cut. My CNC router cost $2G but is limited to wood and the max size is 21"x15". Cutting a full rib was out of the question. But there was no end of small pieces that I could CNC cut much better than I could by hand. The wing walk tail piece was the most complicated part I CNC cut.

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My blog: http://myhatz.blogspot.ca/