Really a good job Bill. But you made me interested in the detail of the early P-40. And it seems you are still wrong with the shape there. Here a couple of pics I found ...
Recreating geometry of a historical aircraft is usually a painstaking, iterative process. You can see this in my work on the SBD Dauntless. During the long hours of studying the photos and trying to figure out the precise shape of this plane I often wished to have its source blueprints! For many ...