Go Kart Gear Ratio Calculator

Calculate Gear Ratio



Formula

The formula to calculate the Gear Ratio (GR) is:

\[ GR = \frac{D1}{D2} \]

Where:

What is a Go Kart Gear Ratio?

A Go Kart Gear Ratio refers to the ratio between the number of teeth on the drive sprocket (attached to the engine) and the number of teeth on the driven sprocket (attached to the rear axle). This ratio is crucial in determining the Go Kart’s speed and power. A lower gear ratio, where the drive sprocket has fewer teeth than the driven sprocket, will provide more torque, or turning power, but less speed. This is ideal for climbing hills or driving on rough terrain. Conversely, a higher gear ratio, where the drive sprocket has more teeth than the driven sprocket, will provide less torque but higher speed, which is ideal for racing on flat surfaces. Therefore, choosing the right gear ratio is essential for optimizing a Go Kart’s performance based on the specific driving conditions.

Example Calculation

Let's assume the following values:

Using the formula:

\[ GR = \frac{15}{30} = 0.50 \]

The Gear Ratio (GR) is 0.50.