F1 Explains DRS: how the Drag Reduction System has changed F1 racing
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Aug 31, 2023 Emel Cankaya, McLaren Aerodynamics Specialist, explains the physics of DRS and why it makes cars go faster. The podcast discusses the introduction of DRS, its impact on overtaking, and the strategic use of DRS in Formula 1 racing. They also explore the effects of slipstream and dirty air on aerodynamic performance and tire/engine temperature.
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How DRS Physically Works
- DRS is a movable flap on the rear wing that reduces drag and increases speed.
- Opening DRS cuts downforce and drag, allowing cars to go 10-20 km/h faster on straights.
Slipstream versus Dirty Air
- Slipstream and dirty air are the same airflow phenomenon but have different effects in straights and corners.
- Slipstream reduces drag aiding overtaking on straights, while dirty air reduces downforce and grip in corners.
Designing Effective DRS Zones
- DRS zones should grant just enough speed advantage for overtakes near braking zones.
- Design zones to promote skilled, last-moment overtakes rather than easy passing early on straights.