What is the purpose of the sponge inside the fender?
3 Answers
The purpose of the sponge inside the fender is to absorb moisture expelled from the interior of the car, which is then evaporated. Below is an introduction to the car fender: 1. Definition: The fender, also known as the wing panel, is the outer body panel that covers the wheels. Depending on the installation position, it is divided into the front fender and the rear fender. 2. Function: Utilizing fluid dynamics, it reduces the drag coefficient, making the car drive more smoothly. The front fender is installed at the front wheel, and because the front wheel has a steering function, it must ensure the maximum limit space when the front wheel turns. Therefore, designers use the "wheel jump diagram" to verify the design dimensions of the fender based on the selected tire model size. The rear fender does not have the problem of wheel rotation rubbing, but for aerodynamic considerations, the rear fender is slightly arched outward.
Speaking of the sponge in the fender, I have deep feelings about it. As someone who drives frequently, I've found that this inconspicuous sponge actually has great benefits. Its core function is to absorb noise and vibrations, such as the sounds generated by rolling wheels or engine operation, making the driving environment quieter and more comfortable. It's not just about sound insulation; it also protects the body components from being damaged by external stones or debris, extending their lifespan. I remember during a long trip when I suddenly realized the noise had reduced—it was all thanks to this sponge. Additionally, in rainy weather, the sponge helps minimize moisture infiltration, preventing internal rust. I recommend paying more attention to it during regular car maintenance. Once damaged, the noise will increase, significantly diminishing the driving experience. In short, this small component may seem minor, but it plays a crucial role in both safety and comfort.
I've driven several types of cars and encountered issues with the sponge in the fender liner, which mainly serves to block noise and absorb vibrations. Think about it - every time you drive over uneven roads with buzzing noises, that sponge comes into play by absorbing vibrations from the tires and engine, making the cabin quieter. Additionally, it acts like a cushion, preventing direct impacts from flying branches or small stones against the metal body, reducing scratches or corrosion. Having repaired old cars myself, I've noticed that when the sponge deteriorates, noise increases significantly, so regular inspections are crucial. If not replaced promptly, prolonged neglect may cause other components to loosen or get damaged, leading to unnecessary expenses. Don't overlook it during routine car washes - simple maintenance can significantly preserve your driving experience.
