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12
votes
3answers
221 views

What precautions are needed for caving

I have been hiking/mountaineering for quite a few years now. But, I have never been into a deep cave as yet. We are planning to explore a natural cave that we'll have to rappel into. The cave is ...
10
votes
2answers
1k views

what boots are good for caving?

considering the following options: watertight (since caves are often wet or muddy) stiff sole: to provide more grip and protection from the rocky bottom. durability What is better a rubber boot or ...
7
votes
2answers
225 views

Semi-static rope 24 hour rule

It is said that a semi-static rope should be submerged for 24 hours before first use. Why is this, and is this before every first use ?
7
votes
1answer
205 views

Headlamp with open flame

I just saw a documentary where they investigated lakes inside of glaciers. They rapelled in big crevasses and even dived in those sometimes huge water reservoirs. The scientist had a regular looking ...
5
votes
1answer
187 views

Minimum safe rappel rope diameters?

9mm is considered minimum for a vertical rappel with a nylon or polyester kernmantle rope, 6mm with high strength aramid, but what if your rappel isn't vertical? What's the minimum safe rope diameter ...
5
votes
1answer
226 views

Good places to go potholing in the UK

A long time ago when I was about 10 I went potholing on a school trip in Devon, and despite mild claustrophobia I found myself eventually enjoying it - egged on brilliantly by my friends. I hadn't ...
5
votes
1answer
274 views

Why can't a Figure-of-8 descender be used for SRT?

I've been told that a Figure-of-8 descender cannot be used for SRT (single-rope technique) because the descender must be able to be removed from the rope, without being removed from the harness. Why ...
4
votes
1answer
343 views

What temperatures can I expect in caves compared to surface?

If the daily air temperature is between 0 °C to 14 °C, what sort of temperature would be found within caves? Will it be any colder or warmer? The caves in question (Wombeyan) do not go terribly far ...