Summary
The United States Grand Prix in Austin, Texas, is classified as a "heat hazard" due to forecasts of high temperatures. This means drivers have the option to wear cooling vests during the race, although not all find them comfortable.
Key Facts
- The US Grand Prix in Austin, Texas, is labeled a "heat hazard" due to high temperatures over 31°C.
- The heat index used by the FIA identifies potential dangers for drivers in such conditions.
- The "heat hazard" rule lets drivers wear optional cooling vests in their cars.
- Some drivers, including Max Verstappen, find the cooling vests uncomfortable.
- Mercedes driver George Russell used a cooling vest in the Singapore Grand Prix earlier in the season.
- If drivers opt out of wearing the vest, their cars must carry an extra 500 grams to maintain fairness.
- Teams can design their cooling systems, often using a mix that involves dry ice and liquid.
- An issue with these cooling systems includes the dry ice running out, which can lead to ineffective cooling.
