Until now, the How It Works series has focused on how an engine makes power. Now we'll fill you in on how engine power is made usable to propel a car. The parts used to get the car moving consist of ...

Few vehicle modifications have as major an impact as changing gear ratios, and it's because your car's gear ratio directly translates to how it delivers power. Think about it: The gear ratio, or how ...

The axle connects two or more of a vehicle's wheels to the same axis, whether on the front or back, and depending on how it's configured, the performance of your ride can vary greatly. Furthermore, ...

What are gear ratios? How does a fishing reel gear ratio work? What should I know? I quickly walk you through what a fishing ...

The Harmonic Drive is a key part of countless robotic applications. Incredibly simple yet quite odd to watch, this gear system is extremely precise with an impressive torque-to-weight ratio, even if ...