> Thus if you instead lay that teardrop so the bottom is flat
The thing is, both sides of a wing are defined by some nonlinear polynomials, and aft edges are sharp. Machinists don’t/can’t use such surfaces for any reference purposes so centerline can’t be there.
The thing is, both sides of a wing are defined by some nonlinear polynomials, and aft edges are sharp. Machinists don’t/can’t use such surfaces for any reference purposes so centerline can’t be there.