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 ...

Rack and pinion steering systems — as they're sometimes ... while electric versions rely on a small motor. That said, the ...

The pinion is a small gear at the end of the vehicle’s steering column that engages the rack. Though steering racks are hearty, they sometimes require replacement. Signs of a failing rack ...