Why use drilled or slotted discs?
Drilling or slotting discs aids the disc in several ways: The edges of the slots or holes continuously clean and refresh the pad surface as well as providing increased brake “bite”. Additionally, they prevent gasses from collecting between the pad and disc interface. The disc is lightened, thereby decreasing its rotational inertia. Improved ventilation increases the disc’s ability to shed heat, resulting in cooler operating temperatures Why use a two-piece “floating” disc assembly? There are several reasons that a two-piece floating disc assembly is of benefit. First, by using an aluminum bell for the hub section of the disc saves a great deal of weight. Since this is both rotating and unsprung, it benefits the acceleration, braking, and handling of the vehicle. Secondly, it is better able to handle the large temperature changes that a brake disc experiences. During severe use, temperature variances become present in a one-piece disc and generally cause warping of the disc. This not on
Drilling or slotting discs aids the disc in several ways: The edges of the slots or holes continuously clean and refresh the pad surface as well as providing increased brake “bite”. Additionally, they prevent gasses from collecting between the pad and disc interface. The disc is lightened, thereby decreasing its rotational inertia.
