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6 votes
1 answer
470 views

Is it OK to keep a dyneema sling under constant tension (slackline)?

The comment on a previous question I posted here: I am not sure whether this biner was aluminum, but it could be, so a warning (please excuse me if the biner is steel): Aluminum biners are not ...
user avatar
11 votes
2 answers
1k views

No testing for temperature-dependent effects on climbing ropes?

I'm reading the UIAA standard for climbing ropes, which is supplemented by the EN 892 norm (which I can't provide a link to, since this would be piracy). I'm sort of confused about the fact that, even ...
QuantumBrick's user avatar
  • 3,379
10 votes
1 answer
1k views

Differences between shock absorber and via ferrata set

What are the differences between a shock absorber as it is used in professional rope access and a via ferrata set? As I found out that in my country shock absorbers have to fulfill EN 355 and via ...
hochreutenerl's user avatar
7 votes
1 answer
283 views

How to safely use reverso with ferrata harness?

Ferrata harnesses (FH) can be probably safely used also for climbing, as stated in another post. However, I am not sure how to use the reverso with FH. This is because in a usual FH, the belay ...
jjrr's user avatar
  • 255
12 votes
3 answers
5k views

Is it ever necessary to double up locking carabiners?

I see people doing this a lot: My question is: Why? When is it necessary to double up locking carabiners? Ever? Doubling up non-locking carabiners with opposite and opposing gates was, and still is ...
ShemSeger's user avatar
  • 53.6k