I've just begun to map the fuselage of this aircraft, and this job will take at least a week or so. I still need to model the pilots, but other than that, the exterior is pretty much finished. I'll post a screenshot whenever I can; I'm hoping that I will be able to bake a layer of shading over the whole diffuse map, that way I can add it to my diffuse and add some more depth.
Texturing the whole exterior will probably take about another 2 weeks, I'm estimating. I've also been fooling with flight dynamics, and have managed to tweak the Learjet 45's aircraft.cfg file to all known values that I could find. Still haven't gotten the [contact points] quite right, but I'm working on it. The real challenge will be making an .air file--I currently have NO idea how to do that!
For me, opening an AIR file is like trying to decode 1,000+ pages of hieroglyphics without the Rosetta Stone.
I heard somewhere that AirWrench is useful, but I don't want to buy it yet because I don't know if there's a free alternative to editing .air files. If anyone has experience with .air files and would like to help, please don't be shy.
I'm still learning.
Cheers!