1 Unlike drum brakes, disc brake system are completely, self-adjusting. 2  Brake pedal feel and modulation are improved.  Disc brakes are more common, so you have a wide selection of performance disc brake pads to choose from.
The Big Dipper is located near the north celestial pole (almost the exact location of the North Star) and is circumpolar in most of the northern hemisphere beginning at 41degrees N. latitude (the latitude of New York City), and all latitudes farther north, meaning it does not sink below the horizon at night.
The big dipper was originally named Ursa Major, the Great Bear.. This constellation points to the North Star. The constelation has a sister named Ursa Minor, the Little Bear.. In the pre-bellum South (America) slaves would travel North, aided by the guidance of the North Star. They would follow the drinking gourd toward their freedom.