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  • Justin Schaub

LEARN: LINEAR VS PROGRESSIVE SPRINGS


When it comes to suspension systems in cars, one of the primary components that play a crucial role in determining the ride quality is the type of spring used. The two most commonly used types of springs are linear springs and progressive springs. In this blog post, we will discuss the differences between these two types of springs and their respective advantages and disadvantages.



Linear Springs:

Linear springs are the most basic type of spring and are commonly used in coilover suspension systems. As the name suggests, linear springs have a linear rate of compression. This means that the amount of force required to compress the spring remains the same throughout its compression range.


Advantages of Linear Springs:

The main advantage of linear springs is that they offer a predictable and consistent ride quality. Linear springs provide a uniform rate of compression, which ensures that the vehicle's ride height remains constant, and the suspension's overall stiffness is maintained. Linear springs are also relatively simple and cost-effective to manufacture, making them an attractive option for entry-level suspension systems.


Disadvantages of Linear Springs:

The biggest disadvantage of linear springs is that they are not very effective at dealing with rough terrain or sudden impacts. Since they have a fixed rate of compression, they tend to bounce and rebound when subjected to sudden bumps and dips on the road. This can lead to a harsh and uncomfortable ride, especially at high speeds.



Progressive Springs:

Progressive springs, on the other hand, are designed to offer a more refined and sophisticated ride quality. Unlike linear springs, progressive springs have a variable rate of compression. This means that the amount of force required to compress the spring increases as it gets closer to its fully compressed state.


Advantages of Progressive Springs:

The primary advantage of progressive springs is that they provide a more comfortable and controlled ride. The progressive rate of compression allows the suspension to absorb smaller bumps and vibrations without compromising the overall stiffness and stability of the suspension. This leads to a smoother and more responsive ride, especially in rough terrain or high-speed driving conditions.


Disadvantages of Progressive Springs:

The main disadvantage of progressive springs is that they are more expensive to manufacture than linear springs. Progressive springs require more complex design and manufacturing processes to achieve their variable rate of compression. This can make them less accessible for entry-level suspension systems and more exclusive to high-performance and premium suspension setups.


In conclusion, both linear and progressive springs have their respective advantages and disadvantages. Linear springs offer a predictable and cost-effective ride quality, while progressive springs provide a refined and sophisticated ride experience at a higher cost. Ultimately, the choice between the two depends on the vehicle's application, budget, and the desired ride quality.


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