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Q:

How do engineers reduce the amount of friction drag on an airplane?

A:

Engineers reduce friction drag by making the airplane more streamlined, the wings narrower, or by using new materials that make the surface more smooth, decreasing the ability for the force of drag to effect it. As the roughness and surface area of the airplane decreases the friction drag will decrease. Generally, pressure drag is more of a concern than friction drag.

Categories: Flight Dynamics