 The mathematic is really simple, how to hang a sling. The distance of the hooks in the ceiling from eachother is to be calculated to sling width + 2 x Y. Y results from the height of hanging H and the hanging angle a to Y = h x sina / sin(90° - a)
Do you understand this? We don't too! But maybe we can help you with some practical tips:
If your ceiling is stable enough (e.g. concrete), you need hooks for concrete (or for wood, if you intend to hand the sling in a arbor construction). The distance of the hooks from eachother you get indeed from the upon listed cryptical formula. But we calculated for you some practical values to work from.:
| distance sling-ceiling |
distance hooks width |
distance hooks length |
| 1.00 Meter | 1.30 Meter | 1.60 Meter |
| 1.50 Meter | 1.65 Meter | 1.95 Meter |
| 2.00 Meter | 2.00 Meter | 2.30 Meter |
| 2.50 Meter | 2.35 Meter | 2.65 Meter |
For the mathematicians of you: we estimate an "optimal angle" of 20 degrees and all values are CIRCA. So please use your sense of proportion too!
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We don't guarantee the correctness of these conclusions and are not liable for any damages, which may result! | 
