Proof that I know almost nothing about airplane design, should any be needed:
I was looking at photos of two of my favorite twin-engined planes, the de Havilland HD-88 Comet, and the Lockheed P-38 Lightning when I noticed something interesting. Their wings are very nearly the same shape but the Comet (or possibly the Lightning) has them on backwards. Here are the two planes:
Why should that be? I have no idea.