Questions tagged [climbing]
Questions relating to climbing can include any activity that requires the use of your hands and feet to move vertically up an object, obstruction or terrain. This varies from trees to boulders to cliff faces and everything in-between.
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Is climbing with static rope and shock absorber as safe as with dynamic rope?
Climbing uses specific elastic ropes that absorb the shock from the fall.
I wonder if using static ropes + shock absorber (tear webbing) would achieve the same safety?
P.S.
There are other problems on ...
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What is this no-harness rappel called?
I found an old police service magazine from 1969 and it has an article named "a day out with the police mountaineering section"
In there I saw the picture below of a guy rappelling with ...
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how is a slackline elasticity in percent specified?
I tried to do some load and oscillations calculations based on these equations and I have a question on how manufacturers specify elasticity.
It is often stated in % elongation E as a function of ...
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Can the Edelrid Pinch open accidentally during belay?
The Pinch is a recently released brake-assisted belay device. What differentiates it from other Grigri-style devices, is the ability to directly clip this into the harness. Edelrid is marketing this ...
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Why is it safe to check in climbing gear onto a flight?
In the manual that comes with my rock climbing rope I bought (black diamond) there's a picture with a death sign when the temperature goes below -62 Celsius. Temperatures outside of planes reach well ...
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Why is it acceptable to belay from above with a grigri but not using the same movement from below?
A common practice is to belay a follower from above by connecting a grigri to the anchor and pulling down on the brake strand to take up slack.
However, if you were to do this while belaying from ...
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At what elevation do 50% or higher percentages of mountaineers report symptoms of altitude sickness?
I've read somewhere that above 2500 meters (8,202 ft) 20% of climbers report having had altitude sickness. IIRC they also wrote that 40% of climbers report altitude sickness above 3500 meters (11,500 ...
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Was Alison Hargreaves the second person to summit Mt. Everest without supplemental oxygen and without support?
I am reading Savage Summit by Jennifer Jordan (William Morrow, 2005), the Savage Summit being K2. Jordan also recounts the attempts on Everest by Allison Hargreaves, which culminated in her ...
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Can anyone ID this hitch?
This is something I use around the house, camping, tying down misc truck loads, etc. It’s a quick way to attach a carabiner to a bight, it can take load on the working, standing or both ends, it doesn’...
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LOWA renegade insole is sliding
I used my Lowa renegade for 10 years and I bought a new pair. On the first 7km the insoles are sliding back. I tried again, same problem... I just realised even with hands I can slide the insoles up ...
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How can I prevent back-feeding while rope soloing?
When lead rope soloing, back-feeding (or auto-feeding) is when the weight of the rope between the anchor and soloist (the live rope) pulls extra rope through the soloist's belay device, causing a ...
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Protect hand skin while belaying
Besides of using adequate gloves, I would like to have some safe options to decrease skin abrasion while belaying, due to the friction of the rope to lower the climber, mainly. I've come up with some, ...
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How do I tell if this single climbing rope is still safe for use?
I've lent my friend a five year old single climbing rope for a garden project. It was in meticulous condition until then.
Instead of a weekend it took him more like six weeks to complete his project ...
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How are different terrains, defined by their angle, called in climbing?
I started climbing 6 months ago and finally need to understand the climbing nomenclature when it comes to terrain angles. So, I would like to ask the climbers how the following angles would be called. ...
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What knot should I use to tie the middle of a smaller rope to a large rope?
I have a spool of smaller 3mm rope that has its end attached to a ball. My intention is to use this smaller line as a throwline that gets thrown over a tree branch which is then used to drag a ...
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