A fully loaded airliner can weigh hundreds of thousands of pounds, yet it leaves the runway and stays airborne. That feels impossible until the forces are separated. The answer to how do airplanes fly ...

Professor and department head for the School of Aeronautics and Astronautics at Purdue University Bill Crossley answers questions about airplanes and aerospace engineering. How do airplane wings ...

A commercial airliner can weigh anywhere from 100,000 pounds to over a million pounds. It is astonishing how such gargantuan weight can not only take off from the ground, but also routinely fly long ...