Member content Archive

Members: Device slip

Richard Delaney March 25, 2020 Member content, Test Reports 3 Comments

Can we rely on devices to slip on ropes at predictable forces given the possible range of physical and environmental conditions? Here we test the Petzl Shunt on several different ropes.

Members: Cantilevered tripod tubes

Richard Delaney February 8, 2020 Member content, Test Reports 2 Comments

Details of a set of tests on 6061-T6 aluminium cantilevered tubes assessing the relevance of theory to observed test results.

Members: Old Slings (2)

Richard Delaney December 30, 2019 Member content, Test Reports 5 Comments

A new set of tests checking the strength of some Nylon and Dyneema climbing slings which are more than 10 years old.

Members: Petzl ASAP catch considerations

Richard Delaney November 5, 2019 Member content, Test Reports No Comments

One piece of information often lacking in discussion of the Petzl ASAP is just how much rope is needed below the device to be sure it catches during a fall.

Members: Petzl Absorbica

Richard Delaney August 21, 2019 Member content, Test Reports No Comments

Absorbica L64 & L57 energy absorbers. How far do they extend? What is the force required to "tear" them open?

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