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RR3 - Investigation of shedding of slings from crane hooks - phase 2

This report details the investigation into the phenomenon of Interrupted Simple Harmonic Motion (ISHM) and it's influence on the potential for indiscriminate shedding of slings and pennants for crane hooks.

The findings of this report are that the final pendulum length of a system, which has side-lead, off-lead or a combination of side-lead and off-lead whilst hoisting, is a critical factor which determines if the system is susceptible to indiscriminate shedding.

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Updated 2010-03-30