On 10/12/2011 ben wiessner wrote: 
And then, when he fell with the 
>biner in this position, the biner was loaded in a way it was not designed 
>to be loaded ie the nose of the biner was forced back towards the spine 
>of the biner. 
 
Sounds like a failure in torsion.  Any mechanical engineers here keen to do the sums ? |