F1 Glossary G: From G-Force To Ground Effect, Know The Key Terms

Formula 1 features several important technical and race-related terms beginning with letter G and many of these terms are commonly heard during live race broadcasts, qualifying seasons, and team radio. Understanding these terms helps fans better follow race strategy, car performance, and driver decision.

G-Force

This refers to the gravitational forces acting on the driver during acceleration, braking and cornering. Formula 1 drivers experience extremely high G-forces, making neck and core strength essential. The force can be several times greater than their own body weight while navigating high-speed corners and heavy braking zones making it one of the biggest physical challenges in Formula 1.

Gearbox

The gearbox transfers power from the engine to the wheels through different gear ratios and modern F1 cars use a semi-automatic sequential gearbox. Drivers change gears using paddle shifters mounted behind the steering wheel instead of a traditional gear knob. This allows the driver to make fast and seamless shifts which improves acceleration and lap times.

Glory Run

A Glory Run is particularly a fast lap, usually during testing where teams often use low fuel loads and the softest tyres to produce eye-catching lap times. The laps may not reflect the team’s true race pace but can boost confidence, and attract attention from media, rivals and sponsors.

Gloves

Gloves are a mandatory part of a Formula 1 driver’s safety equipment because besides protecting the hands, modern gloves contain biometric sensors that can monitor heart rate and blood pressure. This information can help medical teams after an accident. Gloves also help the driver maintain control over the steering and increase the steering feel.

Graining

Graining occurs when a tyre’s surface overheats while the inside remains cooler and small pieces of rubber tear away and stick back onto the surface of the tyre. This creates an uneven contact patch, reducing grip , and slowing the car.

Grand Chelem (Grand Slam)

The Grand Chelem is one of Formula 1’s greatest achievements and to achieve this a driver must:

• Start from the pole position
• Lead every lap
• Set the fastest lap
• Win the race

Only a handful of drivers have managed to achieve this remarkable feat in Formula 1 history.

Green Flag

The green flag signals that the racing conditions are normal and is shown after the yellow flag which means after the safety car or virtual car period has ended. Once the green flag is displayed, drivers can resume full racing speed.

Green Track

A green track is a circuit with very little rubber laid down and usually occurs at the beginning of a race weekend. Due to less rubber on the racing line, the grip levels are lower. As more laps are completed, the circuit becomes ‘rubbered in’ and grip improves.