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An extension ladder. A ladder is a vertical or inclined set of rungs or steps commonly used for climbing or descending. There are two types: rigid ladders that are self-supporting or that may be leaned against a vertical surface such as a wall, and rollable ladders, such as those made of rope or aluminium, that may be hung from the top.
Telescoping in mechanics describes the movement of one part sliding out from another, lengthening an object (such as a telescope or the lift arm of an aerial work platform) from its rest state. [1] In modern equipment this can be achieved by a hydraulics , but pulleys are generally used for simpler designs such as extendable ladders and amateur ...
Royal Robbins resting on his aiders during the 3rd pitch of the FA of the Salathé Wall (VI 5.9 C2). Aid climbing traces its origins to the start of all climbing, with ladders used on historic ascents such as the 1492 ascent of Mont Aiguille, the 1786 ascent of Mont Blanc, or the 1893 ascent of Devils Tower, and with drilled bolts on historic ascents such as the 1875 first ascent of Half Dome.
Climber leading the sport climbing route Hulkosaure 8b (5.13d). Quickdraws have already been attached to the line of pre-drilled bolts that mark the route.. Sport climbing is a form of free climbing (i.e. no artificial or mechanical device can be used to aid progression, unlike with aid climbing), performed in pairs, where the lead climber clips into pre-drilled permanently fixed bolts for ...
A A-grade Also aid climbing grade. The technical difficulty grading system for aid climbing (both for "original" and an adapted version for "new wave"), which goes: A0, A1, A2, A3, A4, A5 and up to A6 (for "new wave"). See C-grade. Abalakov thread Abalakov thread Also V-thread. A type of anchor used in abseiling especially in winter and in ice climbing. ABD Also assisted braking device. A term ...
The rope is hung prior to the climb from the anchor point at the top, typically by carabiners, slings, or cord, or some combination thereof. [2] Sport climbing, and its competition lead climbing variant, adds quickdraws that are clipped into the pre-drilled on-site bolts while the climber is lead climbing the route. No additional climbing ...
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