Mechanics
Shaft critical speed for a single mass
Calculates simplified critical speed from gravity and static deflection.
Related calculators
Hollow shaft angle of twist
Calculates twist angle for a hollow circular shaft.
Hollow shaft torsional stress
Calculates maximum shear stress in a hollow circular shaft.
Key bearing pressure
Calculates simplified key bearing pressure from shaft torque.
Required key length from shear and bearing
Calculates required key length as the larger of the shear and bearing-pressure requirements.
Key shear stress
Calculates simplified key shear stress from shaft torque.
Power from torque and rpm
Calculates power from torque and rotational speed.