What is the primary characteristic of static rope?

The primary characteristic of static rope is its very low stretch, which typically does not exceed 20% of its strength at break. This low stretch property makes static rope particularly suitable for many applications where maintaining tension and control is critical, such as in rescue operations, rappelling, and for hauling equipment. Static rope allows for precise movement and stability since it does not elongate significantly under load, enabling users to operate in a controlled environment.

In contrast, other ropes, particularly dynamic ropes, are designed to stretch more significantly, often up to 60%, to absorb the energy of a falling climber. This characteristic is advantageous in climbing scenarios where falls might occur, but it is not ideal for situations requiring minimal movement, such as setting up anchors or in rescue scenarios. The choice of static rope in these methods is due to its reliability and stability, ensuring that it does not stretch under load, which is essential for maintaining safety and control.