The Race F1 Podcast Tech Show: What does losing '20 points of downforce' really mean? Plus, McLaren's new suspension analysed
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Jun 19, 2025 Gary Anderson, a former F1 technical director, dives deep into the intricacies of downforce in racing, highlighting the implications of losing 20 points, especially when it affected Lewis Hamilton in Canada. He analyzes McLaren's updated suspension geometry tailored for Lando Norris and discusses the varying driving styles between Norris and Oscar Piastri. Additionally, Anderson unpacks complex topics like tire warm-up challenges and the evolving landscape of aerodynamic designs, while addressing listener queries in a lively Q&A session.
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Clarifying 20 Points Downforce Loss
- Losing 20 points of downforce roughly costs a quarter of a second per lap, not half a second as sometimes claimed.
- Balance maintenance is key; uneven damage affects grip less if overall aerodynamic balance remains intact.
Asymmetrical Damage Effects Explained
- Asymmetrical damage to the underfloor causes pressure dissipation rather than severe imbalance.
- This pressure spread prevents major instability despite localized damage to the aerodynamic surfaces.
Understeer and Aero Flow Shift
- Understeer worsening with steering lock indicates aerodynamic flow shifts affecting the front end.
- Engineers should focus on center of pressure shifts to improve car feel and driver confidence.