![]() ![]() Spring Truth #2: Of the four springs on a car, springs only work together in pairs. This thought problem, although lengthy, is immensely useful in understanding how the four springs on a race car work with each other. Since each spring is bearing 50 pounds of weight, the 25 pound spring will compress two inches, and the 50 pound spring will compress one inch. Same weight, same board, but now let’s use a 25 pound spring and a 50 pound spring. Therefore, they are going to compress 1/4″ each.Įasy enough? Okay, let’s complicate things a little. In essence, the springs are dividing the 100 pounds between them, and are bearing 50 pounds apiece. How much does each spring compress? Well, both springs are doing two things:ī: both springs are bearing the weight equally. ![]() Now let’s say you have two 100 lb/in springs attached by a (weightless) board, and you place 100 pounds on the center of the board. If you have a 200 lb/in spring, and you were to place 100 pounds on it, how much does the spring compress? Correct, half an inch. Where it gets confusing is when you have springs working in unison, and that’s when the spring’s rate (usually in pounds per inch) is critical to know. ![]() Take the weight off, and it decompresses. If you put a weight on a spring, it compresses. Spring Truth #1: Springs are designed to bear weight. Of these truths, it is most practical to learn the basic truths so that there is meaning behind the numbers, rather than just learning what the numbers “should be.” Of course, with automobile racing came the need for suspension design and redesign, and eventually, certain truths were applied to a racing chassis. Although primitive by modern-day standards, the first car suspensions were designed to do the same thing by the same device: the spring. This became evident when long travel demanded comfort, which soon led to luxury and style, and eventually to the need for automobiles. Enthusiasts soon learned that a cart, chariot, or wagon could endure a better, more reliable ride when its weight was set upon springs. Naturally, once the spring was invented, its application to suspending weight was realized, and soon the word “suspension” and its meaning to a chassis was developed. Of course, once the second two-wheeled cart was invented, racing was born, and soon the science of suspension was built upon to give way to faster speeds. “Are they built for speed, or for comfort?”Įver since the invention of the wheel and its application to mobile carriages, Man has understood the benefits of a proper ride to make travel faster, more efficient, and in general, more pleasurable. RACE CAR CROSS WEIGHT SERIESWorld of Outlaws ButtKicker Late Model Series.World of Outlaws CARQUEST Auto Parts Sprint Car Series.Force Dynamics Dallara iRacing Grand Prix Championship.Keyboard Shortcuts: Replay / Camera Controls. ![]()
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