1. Aerodynamics of a Stock Car
... both can run faster. The technique of reducing effective drag on one car by driving closely behind him is called drafting. Figure 3 (Two Car Pressure Diff) Figure 4 (Two Car Pressure Diff) The increased air pressure ahead of the trailing car fills in the wake of the lead car, and the air ... of the roof rails break up the streamlined airflow and reduce unwanted lift. Figure 7 (Roof Rails) Skirting around the lower edge of a car's side keeps high-pressure air from getting under the vehicle if it is moving sideways, lessening the tendency to spin, or fly. Because racetracks turn left and ...
- Word Count: 3179
- Approx Pages: 13
- Grade Level: High School