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An ascender is a device (usually mechanical) used for directly ascending, or for facilitating protection, with a fixed rope when climbing on steep mountain terrain. A form introduced in the 1950s became so popular it began the term "Jumar" for the device, and the verb "to jumar" to describe its use in ascending.
Ascender attached to a rope. Ascenders (also called "jumars" or "crolls" after popular brands) are mechanical devices to enable a climber to move up a fixed rope, which is a static rope that is hanging from a fixed anchor.
Early versions of the cam systems used a Gibbs-style type 1 ascender placed in an inverted position attached to a soloer's sit harness opposite to the manufacturer's intended use. The combination of a climber's body position in a fall and friction between the ascender frame and the rope provides the activating leverage for the cam to grab the rope.
The ascender will glide smoothly up the rope when the belayer takes in slack. If the climber falls, the ascender will lock up. (I’m giving them the benefit of the doubt and assuming that the ...
An auto belay (or autobelay) is a mechanical device for belaying in indoor climbing walls, in both training and competition climbing formats. The device enables a climber to ascend indoor routes on a top rope but without the need for a human belaying partner. The device, which is permanently mounted in a fixed position at the top of the route ...
A belay device is a mechanical piece of climbing equipment used to control a rope during belaying. [1] It is designed to improve belay safety for the climber by allowing the belayer to manage their duties with minimal physical effort. With the right belay device, a small, weak climber can easily arrest the fall of a much heavier partner.
Jumaring up a fixed rope using an ascender A rope that hangs from a fixed attachment point; commonly used for abseiling (going down) or for jumaring (going up). flagging A rock-climbing technique where a leg is held in a position to maintain balance, rather than to support weight, often to prevent a barn-door. [2] There are three types of ...
In climbing and mountaineering, a fixed-rope (or fixed-line) is the practice of installing networks of in-situ anchored static climbing ropes on climbing routes to assist any following climbers (and porters) to ascend more rapidly—and with less effort—by using mechanical aid devices called ascenders.
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