Kernmantle Rope - Typical Specifications

Typical Specifications

Dynamic ropes
Diameter Typical impact force* Typical weight
8.1mm (~5/16") 6 kN (1350 lb) 42g/m (0.45oz/ft)
9.8mm (~3/8") 8 kN (1800 lb) 63g/m (0.67oz/ft)
11mm (~7/16") 9 kN (2000 lb) 78g/m (0.84oz/ft)

*Dynamic ropes are rated for a certain number of falls (usually 5-10) at a given impact force.

Static ropes
Diameter Typical breaking strength Typical weight
9mm (~11/32") 21 kN (4700 lb) 51g/m (0.55oz/ft)
10mm (~3/8") 27 kN (6000 lb) 66g/m (0.71oz/ft)
10.5mm (~13/32") 30 kN (6750 lb) 69g/m (0.74oz/ft)
11mm (~7/16") 34 kN (7650 lb) 75g/m (0.81oz/ft)

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