He came upon a set of cockpit indicators from a Cold War-era RAF airplane — sorry, “aeroplane” — that used a magnetically driven rack and pinion to swivel a set of prism-shaped pieces to ...

Credit: Stadler. The Matterhorn Gotthard Railway (MGBahn) and Stadler have unveiled what they claim to be the world’s “fastest” rack-and-pinion railway. The new “v+” rack-and-pinion braking system, ...

Part of a rack-and-pinion steering system, the rack is a bar parallel to the front axle that moves left or right when the steering wheel is turned, aiming the front wheels in the correct direction.