The Lug Analysis calculator allows for analysis of lifting lugs under axial, transverse, or oblique loading. This calculator follows the Air Force Method as documented in the Stress Analysis Manual of the Air Force Flight Dynamics Laboratory (FDL). See the instructions within the documentation for more details on performing this analysis. See the reference section for details on the methodology and the equations used.


Input the details for the lug and hit 'Submit' to calculate results:

Applied Forces:

Pin Inputs:

Lug Inputs

Male (Inner) Lug Inputs:

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Female (Outer) Lug Inputs:

The joint can optionally include an outer set of female lugs. If included, results will be calculated for female lugs and double shear joint strength.

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