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Dynamic Ropes

Dynamic ropes also have a variety of uses. They are designed to be elastic, which makes them beneficial for a number of situations. These include rock climbing, ice climbing, and mountaineering. The stretching capabilities mean that the rope can react to any sudden shocks or falls quickly.

DYNAMIC ROPES

Anywhere you go – these ropes will not let you down.

A combination of good handling, abrasion resistance and outstanding energy absorption performance make SPUNK Dynamic Climbing Ropes ideal for climbing as well as safety and back up lines when abseiling or work positioning.

A dynamic rope is a specially constructed, somewhat elastic rope used primarily in rock climbing, ice climbing, and mountaineering. This stretch is what makes it dynamic, in contrast to a static rope that has very low elongation under load. Greater stretch allows a dynamic rope to absorb the energy of a sudden load such as from a fall more slowly, reducing the peak force and therefore the chance of catastrophic failure.The overall result is a lower maximum force, which greatly reduces the possibilities of a serious injury or fatality.Dynamic ropes are generally not used for descent since the elasticity can result in inconvenient bouncing.

SINGLE ROPES, TWIN ROPES & HALF ROPES

Dynamic climbing ropes are classified into three categories: Single ropes, twin ropes, and half ropes (also referred to as ‘double ropes’).

  • Single ropes are designed to be used alone, and are by far the most common, and used for top-roping, sport climbing, and trad climbing.
  • Twin ropes are used by treating the pair of ropes as a single rope, clipping both ropes through the same carabiner at each piece of protection.
  • Half ropes are also used as a pair, but only one rope is clipped through each piece of protection- the climber alternates which rope is clipped through each piece. On wandering routes where protection is placed far apart on either side, half ropes can significantly reduce rope drag.
  • Both twin and half ropes have the advantage of redundancy, as well as allowing a rappel along the full length of the climbing rope (by tying both ropes together), so that climbers can descend from a long multi pitch route with fewer rappels than with a single rope.
Technical Specification

SPUNK 10 mm Dynamic Rope, EN 892 and UIAA 101

Construction:Kernmantle
Core Material:100% Polyamide
Sheath Material:100% Polyamide
Weight:67 gm/meter
Breaking strength without knots:25 kN
Breaking Strength with an overhand knot:17.5 kN
Sheath to Core ratio:42% : 58%
Knotability coefficient:0.9
Shrinkage:3.6%
Minimum number of factor one falls before breaking under 80 kg load:8
Impact Force with factor fall 0.3:5.2 kN
Sheath Slippage:0.4%

SPUNK 12 mm Dynamic Rope, EN 892 and UIAA 101

Construction:Kernmantle
Core Material:100% Polyamide
Sheath Material:100% Polyamide
Weight:90 gm/meter
Breaking strength without knots:32 kN
Breaking Strength with an overhand knot:19 kN
Sheath to Core ratio:44% : 56%
Knotability coefficient:0.9
Shrinkage:3.6%
Minimum number of factor one falls before breaking under 80 kg load:8
Impact Force with factor fall 0.3:5.6 kN
Sheath Slippage:0.7%

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