Shocking results from Carabiners test
Lab test of carabiners used at belay stations
A sample of carabiners and quickdraws have been tested and analised by Emanuele Pellizzari at the Italian Mountaineering Club Gear and Techniques laboratory at Taggì di Sopra, Villafranca Padovana, Padova, Italy.
"Over the last 14 months I've collected enough carabiners used as lower-offs at belays to make a sound statistical analysis with the aim of drawing some conclusions about their breaking strengths. I began collecting them after a carabiner which I'd removed from a belay "opened" at 920 daN (a metric unit equivalent to circa 1 kg). The carabiners were tested at the Italian Mountaineering Club Gear and Techniques laboratory. [...]" Read More
From PlanetMountain.com, 20/12/2012