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Dyneema Composite Fabric (DCF), also known as Cuben Fiber (CTF3), is a high-performance non-woven composite material used in high-strength, low-weight applications. It is constructed from a thin sheet of ultra-high-molecular-weight polyethylene ( UHMWPE , "Dyneema") laminated between two sheets of polyester .
Crevasse rescue (or crevasse-extraction) is a set of techniques in mountaineering where climbers use their equipment to pull a climber, who has just fallen into a crevasse, to safety. [1] Crevasse rescue is considered a core skill set in alpine climbing, but difficult to do efficiently. [1] [2] It is typically encountered by rope teams on ...
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For climbing on with a fixed rope attached for security (for example, to snow anchors on a steep slope) only one ascender is used, keeping the other hand free for holding an ice axe. Ascenders are not used on free climbing routes, where a climber uses only their hands and feet on the features of the rock without artificial aids to gain ...
Self-rescue techniques can materially speed up the time taken to get injured climber(s) to safety thus saving lives, and it will also save the climber(s) from being charged for SAR services (e.g. full helicopter rescue is expensive), [7] and avoids putting the SAR team members into harm's way and diverting SAR resources from being able to ...
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Quickdraws are clipped to the nut wire by the ascending climber and the rope threads through the quickdraw. Nuts come in a variety of sizes and styles, and several different brands are made by competing manufacturers. Most nuts are made of aluminum. Larger nuts may be threaded on Dyneema cord instead of wire, but this has become unusual. [1]
A 240 centimetres (94 in) Sling A climbing anchor equalized using dyneema slings. 1957 article on use of slings by Jan and Herb Conn.. A sling is an item of climbing equipment consisting of a tied or sewn loop of webbing.