Pulley systems are simple machines that make lifting heavy objects easier. They consist of a rope or cable that passes over one or more wheels (pulleys). A single pulley changes the direction of force ...

A pulley is a simple machine using a wheel and a cord that's designed for lifting. A pulley is a simple machine using a wheel and a cord that's designed for lifting. Pulleys help make work easier by ...

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The timing belt or chain sits at the center of an engine’s rhythm, quietly keeping pistons and valves in sync. When it fails, ...

When it comes time to putting the finishing touches on any motor, one of the most important aspects is how to mount all those accessories off the block. In the past, that meant scouring the wrecking ...

The most common reasons for belt failure are improper belt tension (too loose or too tight), poor alignment, pulley damage or distortion, environment (excessive heat and ozone), and using an improper ...

When it comes to motorcycle transmissions, there has been a long-standing debate between manual and automatic systems. Manual transmissions are known for their control and connection to tradition, and ...

The modern overhead-cam internal combustion engine is a mechanical masterpiece of hundreds of parts in perfect synchronisation. In many cases it depends for that synchronisation upon a flexible ...

Belt-driven superchargers are a great way to make power, but they require a lot of horsepower to turn—sometimes hundreds of horsepower! That's asking a lot from a lowly serpentine belt originally ...