Archive - Feb 12, 2009 | Petzl

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Ice screws and threads, resistance tests

Ice anchor workshop Petzl partnered with the "Ice Climbing Ecrins" event to organize a workshop to test the pull-out strength of ice screws and ice threads. Petzl built a mini test center on a frozen creek in the Fournel valley. The pull-out strength was tested using an equalized belay anchor attached to a jack and a chain. Ice screws, ice threads and ice axes were attached to the system and pull tested. The pull-out strength was measured using a dynamometer.

12/02/2009 - Product news Read more