What is a live axle and how does it work on a go-kart?

If you're into go-karting, you've probably heard the term "live axle." But what is a live axle, and how does it work on a go-kart? In this article, we'll answer these questions and more. We'll explore the mechanics of a live axle, its advantages and disadvantages, and how it affects handling and speed on a go-kart.

What is a Live Axle?

A live axle on a go-kart is simply a rear axle that delivers power equally to both rear wheels. To achieve this, the live axle is a long shaft that both wheels are attached to on both ends. A sprocket is attached via a go-kart chain to the crankshaft of the engine, which allows the rear axle to spin both wheels at the same time and with equal force. This is different from a differential setup, which allows wheels to spin at different speeds.

Advantages of a Live Axle:

The main advantage of a live axle is that it provides better traction. Since both wheels are powered equally, they both have the same level of grip, which results in better acceleration and handling. A live axle also provides better stability in turns, as both wheels turn at the same speed, reducing the risk of the go-kart spinning out.

Disadvantages of a Live Axle:

One disadvantage of a live axle is that it can be more challenging to turn, especially in tight corners. This is because both wheels are turning at the same speed, and the inside wheel is essentially dragging along the ground. Additionally, a live axle can cause more wear and tear on the tires, as they are working harder to maintain traction.

Choosing the Best Live Axle:

When choosing the best live axle for your go-kart, there are several factors to consider, including the weight of the go-kart, the track conditions, and the driver's experience level. In general, high-power karts need stiffer axles for more traction, while lower power karts benefit from softer axles to "free up" the chassis.

Conclusion:

In conclusion, a live axle is a rear axle that delivers power equally to both rear wheels, resulting in better traction and stability. However, it can also make turning more challenging and cause more wear and tear on the tires. When choosing a live axle, it's essential to consider factors such as the weight of the go-kart, the track conditions, and the driver's experience level. With the right live axle, you can enjoy better handling, acceleration, and performance on your go-kart.

Source: https://gokartwiki.com/what-is-a-live-axle/

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