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The Sling Angle Factor (also known as the Load Angle Factor) is the multiplier used to determine the increased tension on a sling. It is calculated using the internal angle between the sling and the horizontal load. Enertech Resources

Weight of all rigging hardware (spreader bars, shackles, slings, turnbuckles). 4. Spreader Bar vs. Lifting Beam Mechanics Enertech Resources

As a sling angle decreases from vertical, the tension on the sling increases dramatically. This is captured by the Load Angle Factor (LAF). The formula is: Enertech Resources