Rigging engineering calculations involve determining the weight of the load, the center of gravity, and the forces acting on the load during lifting. These calculations help to identify the required capacity of the lifting equipment, the type and size of the rigging gear, and the safe working load of the entire system.
, several authoritative resources and sample documents are available for download. These guides cover critical lifting tasks such as determining center of gravity, sling tension, and hardware capacity. Recommended Rigging Engineering Resources Rigging Engineering Calculations (Keith Anderson) These guides cover critical lifting tasks such as
: This is a highly regarded "how-to" guide that provides step-by-step instructions for calculating sag, tension in suspended lines, and wind forces. Samples can often be viewed on platforms like Rigging Formulas Complete List : Tension increases as the angle between the
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: Tension increases as the angle between the sling and the horizontal decreases. Sling Stress Formula :
Unsafe. Upgrade to ⅝" wire rope or reduce the bridle angle to 60°.