What is the ratio needed if 5 persons are pulling to create tension in highlines?

In rope rescue operations, when creating tension in highlines, the ratio of pulling force is critical to ensure effective and safe operations. A ratio of 3:1 means that for every unit of pull force exerted by the rescuers, there is a threefold gain in tension on the load being managed. This configuration is advantageous because it allows the team to utilize their strength effectively without exerting excessive strain on the system or increasing the risk of failure.

The 3:1 ratio is commonly used in highline setups where multiple rescuers, such as five individuals in this case, work together to achieve a significant amount of tension on the line. This enables smooth, controlled movement and reduces the risk of sudden jolts, which can be dangerous in rescue scenarios. The multiple persons indicate that collaboration is essential, and the 3:1 ratio appropriately accounts for the collective effort without surpassing manageable limits for each individual and the rescue system as a whole. Consequently, this ratio serves as a benchmark for establishing a reliable and safe pulling force in highline applications during technical rescue operations.