LOL - just when I think my builds aren't that bad... you and Hoss make me realize that I have a LOT more to learn and practice. ;)
Great job. I love the tonal variation in the color scheme. Looks like a mix of several methods/layers. So pleasing to the eye.
For the cowling, did you cut out individual squares to mask the black? Guessing you did base metal - black - mask - and then yellow? Chipping medium over the metal first?