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Torsional Stiffness Solid Shaft Equations and Calculator

Machine Design and Engineering

Torsional Stiffness Cylindrical Solid Shaft Equations and Calculator

Angular Natural Frequency Three Masses Axial Equations and Calculator

kt = ( π G D 4 ) / ( 32 L )

Where:

kt = Torsional Stiffness of Shaft ( lb-in/rad ),
G = Modulus of Elasticity in SHear (lb/in),
L = Length (in),
D = Diameter (in),

Related:

Reference Harris, Shock and Vibration Handbook