The system, which involves the driver opening a flap in their rear wing to reduce drag levels and gain top speed when running within a second of a car in front, was introduced back in 2011.

Position 3 fits the interiors. Position 4 tests all functions. The strikingly svelte 787 wing, displayed overhead in the jig that mates it to the fuselage, looks like a gallery exhibit.

To balance this, Haas has also opted to rework its front wing with a "less powerful" wing flap as the overall downforce requirements from the upper body aerodynamic package is reduced. Racing ...

Engineers at Princeton University designed flexible wing flaps inspired by covert feathers. They wanted to test whether adding more than one row—like birds naturally have—would offer extra ...