LiveLine 5th winch vs fiber embedded in the lines: reliability, handling, and long-term cost

This article explains the practical trade-offs between embedded fiber in the main winch lines and a separate LiveLine 5th winch: failure risk during rigging, replacement cost drivers, and why “redundancy” can backfire if the cable itself becomes the weak point. It reflects typical field handling realities, but it is not a guarantee of cable lifespan - actual longevity depends on crew practices, venue conditions, transport, and how the system is rigged and stored.

One of the common questions regarding 3D cable cam systems is whether to use a fifth winch LiveLine for fiber transmission or to embed fiber optics directly into the winch lines.

Technically, both options are possible. We do have the capability to manufacture systems with fibers embedded into the lines, and if this is a strict requirement, we can deliver it. However, this is not our standard approach, and the reason comes down to reliability and long-term cost.

In real production environments, cables go through a lot during rigging. They are bent, handled roughly, and often dropped on the ground from the huge height. This is typically outside the direct control of the system owner, as rigging crews work under time pressure. Because of this, fibers embedded inside the lines are very exposed to damage. In practice, their lifespan is often limited to around five to ten projects. Considering that such cables can cost more than $10 per meter, replacement quickly becomes very expensive.

To solve this, we developed the fifth winch approach. This is a separate, dedicated line that carries the fiber. The system automatically controls the tension on this cable, keeping it below 10 kg of force. Because the load is minimal and the cable is independent from the main load-bearing lines, it is much better protected and easier to handle carefully during setup.

As a result, the lifespan of the fiber cable in a 5th winch configuration is significantly longer. In most cases, it reliably lasts for 50+ projects, and for many clients, it exceeds 100 projects without issues.

Based on this experience, we chose the LiveLine as the standard solution. It provides a much higher level of reliability over time while also being more cost-effective. Even though embedded fibers might seem like a more redundant solution with multiple lines, in practice the need for redundancy comes from frequent cable failures. When the cable itself is stable and long-lasting, a single well-managed LiveLine becomes the more practical and efficient approach.

If required, embedded fiber solutions can still be provided, but for most applications, the LiveLine offers the best balance of durability, performance, and cost.