Slipstream

Yuki Tsunoda of Japan driving the (22) Scuderia AlphaTauri AT03 follows Zhou Guanyu of China driving the (24) Alfa Romeo F1 C42 Ferrari during the 2022 F1 Grand Prix of Canada

Slipstream is a term used in Formula 1 Grand Prix racing to describe the aerodynamic effect of drafting. When a car drives through the air, it creates a high-pressure area at the front and a low-pressure area at the back. When another car drives close behind, it can take advantage of the low-pressure area and effectively reduce its own air resistance. This effect is known as slipstreaming or drafting.

Slipstreaming is particularly important in Formula 1 racing, where every fraction of a second counts. A driver who is able to sit in the slipstream of the car in front can often gain a significant speed advantage, allowing them to overtake or defend their position on the track.

To achieve the best slipstreaming effect, a driver needs to position their car in the optimal spot behind the car in front. This is typically in the turbulent air just behind the rear wing of the lead car, where the low-pressure zone is strongest. The driver in the following car will also need to adjust their speed and braking to stay in the slipstream and avoid losing the aerodynamic advantage.

However, slipstreaming is not without risks. When two cars are travelling at high speed in close proximity, there is a risk of contact or collisions, which can result in serious accidents. In addition, the turbulent air in the slipstream can cause instability in the following car, making it harder to control.

To mitigate these risks, Formula 1 teams use various strategies and technologies to optimise their cars' aerodynamics and minimise drag. This can include adjusting the angle of the rear wing or using DRS (Drag Reduction System) to reduce drag on the straight sections of the track.

Slipstreaming is a key aspect of Formula 1 racing, and drivers who can master this technique are often able to gain a competitive edge on the track.