HangOver-Pulley System.
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Reference data
The HangOver-Pulley is an extremely light-weight and simple to use device to rig slacklines. It is more and more used in highlines. Find the gear on
| MA | H-numbers | Hand force | Line force | Actual MA | Efficiency |
|---|---|---|---|---|---|
| 3:1 | 1 | 0.5 | 0.7 | 1.4 | 47 |
| 3:1 | 1 | 0.5 | 0.83 | 1.66 | 55 |
| 3:1 | 1 | 1.14 | 1.91 | 1.67 | 55 |
| 5(2+3):1 | 2 | 0.5 | 0.8 | 1.6 | 32 |
| 5:1 | 3 | 0.5 | 1.3 | 2.6 | 52 |
| 5:1 | 3 | 0.5 | 1.58 | 3.16 | 63 |
| 5:1 | 3 | 1.02 | 3.32 | 3.25 | 65 |
| 7(4+3):1 | 3 | 0.5 | 1.4 | 2.8 | 40 |
| 7:1 | 5 | 0.5 | 1.8 | 3.6 | 51 |
| 9:1(3:1)×(3:1) | 3 | 0.5 | 2 | 4 | 44 |
| 9:1(3:1)×(3:1) | 3 | 0.5 | 2.76 | 5.52 | 61 |
| 9:1(3:1)×(3:1) | 3 | 1.02 | 4.93 | 4.83 | 53 |
| 15:1(5:1)×(3:1) | 5 | 0.5 | 3 | 6 | 40 |
| 15:1(5:1)×(3:1) | 5 | 0.8 | 4.4 | 5.5 | 36 |
| 15:1(5:1)×(3:1) | 5 | 0.5 | 4.05 | 8.1 | 54 |
| 15:1(5:1)×(3:1) | 5 | 1.01 | 7.9 | 7.82 | 52 |
Related tools
You can calculate the mechanical advantage of the pulley system by considering friction.
Slackline Tension Calculator
You can input quickly with a smartphone.
Of course it is also possible on PC.
Calc...