Members: Rope efficiency in haul systems
![](https://www.ropelab.com.au/wp-content/uploads/2019/06/AZTEK-ropes-1024x1024.jpg)
Last month I published the test report: Pulley + rope efficiency. As with most tests, I was left with even more questions. The key observation was that measured pulley efficiency varies significantly (up to 10%) with the choice of rope.