Pinion

Applications

Drivetrain

• the typically smaller gear in a gear drive train. In many cases, such as remote controlled toys, the pinion is also the drive gear for a reduction in speed, since electric motors operate at higher speed and lower torque than desirable at the wheels. However the reverse is true in watches, where gear trains commence with a high-torque, low-speed spring and terminate in the fast-and-weak escapement.
• the smaller gear that drives in a 90-degree angle towards a crown gear in a differential drive.
• the small front sprocket on a chain driven motorcycle.
• the clutch bell gear when paired with a centrifugal clutch, in radio-controlled cars with an engine.

  Rack and pinion