How To: Measure The Drag Coefficient Of Your Car

Category : Science

Rob from Vancouver, BC wanted to try an experiment with his vehicle:

The purpose of this experiment is to determine your vehicle’s drag coefficient Cd and coefficient of rolling resistance Crr. This is done by measuring your vehicle’s speed as a function of time while coasting in neutral.

Why would you want to know Cd and Crr for your vehicle?

Read this instructable and find out.

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