Phase Team
Published on
February 16, 2026
Automated software results must always be cross-checked manually using standard physics formulas.
Fleet Angle Approximation=arctan(Drum Width2×Distance to Lead Sheave)Fleet Angle Approximation equals arc tangent open paren the fraction with numerator Drum Width and denominator 2 cross Distance to Lead Sheave end-fraction close paren 5. Free Resources and PDF Download Strategy
Let's walk through a real-world scenario to see how these formulas function together. The Scenario: 20,000 lbs (10 tons) Rigging Setup: 2-leg sling configuration Sling Length: 12 feet Vertical Height (from load connection to hook): 10.4 feet Sling Angle ( ): 60 degrees Step 1: Calculate the Load Angle Factor (LAF)
Automated software results must always be cross-checked manually using standard physics formulas.
Fleet Angle Approximation=arctan(Drum Width2×Distance to Lead Sheave)Fleet Angle Approximation equals arc tangent open paren the fraction with numerator Drum Width and denominator 2 cross Distance to Lead Sheave end-fraction close paren 5. Free Resources and PDF Download Strategy rigging engineering calculations pdf free download
Let's walk through a real-world scenario to see how these formulas function together. The Scenario: 20,000 lbs (10 tons) Rigging Setup: 2-leg sling configuration Sling Length: 12 feet Vertical Height (from load connection to hook): 10.4 feet Sling Angle ( ): 60 degrees Step 1: Calculate the Load Angle Factor (LAF) rigging engineering calculations pdf free download
