Stopping Points
Understanding your truck: the brakes
By Paul Abelson
Did you know that the brakes that stop your 80,000 pound rig are directly descended from wood blocks? That’s what was used to stop or slow down horse-drawn wagons in the earliest days of commercial transportation. Wood wheels had iron bands as tires to protect the wheels from rocks and ruts. The metal presented a perfect surface to apply a clamping force to stop the wheel turning. That’s wheel, singular. In those days, “trucks” had one wheel braking. The driver used a…


