What is Drag?

Drag, aerodynamic Resistance, is the force exerted by the air on a rocket as it moves through the atmosphere, pushing it backwards. This force negatively affects the rocket’s speed and altitude. Drag can be categorized into two types: aerodynamic drag and pressure drag. Aerodynamic drag occurs as air flows around the rocket, creating friction and turbulence. Pressure drag, on the other hand, results from differences in air pressure caused by the rocket’s nose.

The magnitude of drag is proportional to the square of the rocket’s velocity and the density of the air. To minimize drag and optimize rocket performance, careful attention is given to rocket design and flight planning. Drag reduces rocket speed and altitude, can compromise stability, make parachute deployment difficult, and alter the rocket’s landing point.

Factors Contributing to Drag and Methods to Minimize Drag

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