Mechanical systems working videos on Instagram: "Old steering gear boxes, also known as recirculating ball steering systems, were commonly used in vehicles before the widespread adoption of rack and pinion steering. Here's some key information about them: 1. Basic design: - Uses a worm gear and sector shaft mechanism - The steering wheel connects to a threaded shaft (worm gear) - Ball bearings circulate in grooves between the worm gear and a nut - The nut is connected to the sector shaft, which