Mountaineering equipment.pdf

Mountaineering equipment PDF

Source: Wikipedia. Pages: 32. Chapters: Carabiner, Climbing protection, Spring-loaded camming device, Rope, Ice axe, Webbing, Belay device, Ice tool, Anchor, Mountain Locator Unit, Grigri, Kernmantle rope, Avalanche transceiver, Self-locking device, Ascender, Piton, Altitude tent, Climbing harness, Ice screw, Crampons, Mountaineering boots, Dynamic rope, Nut, Sling, Grappling hook. Excerpt: A rope is a length of fibres, twisted or braided together to improve strength for pulling and connecting. It has tensile strength but is too flexible to provide compressive strength (i.e. it can be used for pulling, but not pushing). Rope is thicker and stronger than similarly constructed cord, line, string, and twine. Three-strand twisted natural fibre ropeCommon materials for rope include natural fibres such as manila hemp, hemp, linen, cotton, coir, jute, and sisal. Synthetic fibres in use for rope-making include polypropylene, nylon, polyesters (e.g. PET, LCP, HPE, Vectran), polyethylene (e.g. Dyneema & Spectra), Aramids (e.g. Twaron, Technora and Kevlar) and polyaramids (e.g. Dralon, Tiptolon). Some ropes are constructed of mixtures of several fibres or use co-polymer fibres. Rope can also be made out of metal. Ropes have been constructed of other fibrous materials such as silk, wool, and hair, but such ropes are not generally available. Rayon is a regenerated fibre used to make decorative rope. Rope is of paramount importance in fields as diverse as construction, seafaring, exploration, sports and communications and has been since prehistoric times. In order to fasten rope, a large number of knots have been invented for countless uses. Pulleys are used to redirect the pulling force to another direction, and may be used to create mechanical advantage, allowing multiple strands of rope to share a load and multiply the force applied to the end. Winches and capstans are machines designed to pull ropes. Dynamic Kernmantle rock climbing rope with its braided sheath cut to expose the twisted core yarns and core yarn plies. The modern sport of rock climbing makes extensive use of so called dynamic rope, which is designed to stretch under load in an elastic manner in order to absorb the energy required to arrest a person in free fall without generating forces high enough to injure them. Such ropes normally use a kernmantle construction, as described below. Static r

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Mountaineering equipment.pdf


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