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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.
Greetings from the Philippines! I was horrified the other day when I chanced upon these climbers belaying with an ascender. I gave them my best advice because I thought there was about to be a ...
A Petzl Croll is an ascending device [1] used in caving and industrial rope access made by the French company Petzl. Its name comes from the town Crolles where Petzl's company headquarters are located but might also be a reference to the nearby cave system of the Dent de Crolles , the exploration of which triggered a lot of technical effort ...
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.
The first use of single-rope technique with prusik and mechanical rope ascenders (Henri Brenot's "monkeys", first used by Chevalier and Brenot in a cave in 1934) can be directly traced back to the exploration of the Dent de Crolles cave system.
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 ...
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