Meaning of capstan effect | Babel Free

Definitions

The friction between a rope (or other flexible material) around a curved surface (the capstan) exponentially amplifies the holding force, allowing a small tension on one side to resist a much larger tension on the other.

Examples

“When a cable is being installed, the tension in the cable increases in the straight sections of pipe and is reduced at the bends by the ‘capstan effect’, the input and output tensions expressed by the equation:[…].”

CEFR level