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 ...

By mounting two rack gears to the bed and two geared jaws to the carriage of the machine, moving the router in the Y axis also rotates the 4th axis. This is far, far too clever; it doesn’t ...

Bike racks on cars are necessary, especially if you want to travel to rides, races, and different trails with your bike. But what if your car doesn’t have a hitch or fit a proper bike rack?

Most car-based vehicles use rack-and-pinion steering in which the steering wheel turns a pinion gear that moves on a rack to turn the front wheels. Others use recirculating ball systems in which ...