This means the spring’s rate does not change as it is compressed. Specific, or linear rate, coil springs have a constant spring rate. Generally, when it comes to automotive applications, coil springs come in specific and progressive rate models. What Are the Different Types of Coil Springs?Ĭoil springs come in a several different versions, which have a big impact on ride and handling characteristics. Replacing the leaf springs in many applications was done by using upper and lower control arms, Panhard bars, torque arms, etc., to locate a front or rear axle and make the whole suspension system more compact. Leaf springs are big and bulky, while coil springs are more compact and reduce unsprung weight. Initially, vehicles used leaf springs, either parallel to the frame or parallel to the axle, and many vehicles still use leaf springs.
They are typically made of hardened steel, and work in concert with a vehicle’s shocks to control ride height and quality. They are designed to store and release energy, support the vehicle’s weight (also known as the sprung weight), and are usually mounted between the body or frame and the vehicle’s suspension arms.
What Is the Purpose of Coil Springs on A Car?Ĭoil springs provide ride and handling characteristics for any given vehicle.
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