TABLE OF CONTENTS | A | area of cross section, m 2 (in 2) | |
| b | width of crank cheek, m (in) | |
| c | distance from the neutral axis of section to outer fiber, m (in) | |
| d | diameter (also suffixes), m (in) | |
| d e | equivalent diameter, m (in) | |
| d o | diameter of crankpin, m (in) | |
| d m | diameter of main bearing, m (in) | |
| E | modulus of elasticity, GPa (psi) | |
| F | force acting on the piston due to steam or gas pressure corrected for inertia effects of the piston and other reciprocating parts, kN (lbf) | |
| F c | the component of force F acting along the axis of connecting rod, kN (lbf) | |
| F comb | combined force, kN (lbf) | |
| F ic | magnitude of inertia force due to the weight of connecting rod itself, kN (lbf) | |
| F r | total radial force acting on the crankpin, kN (lbf) | |
| F ? | total tangential force acting on the crankpin, kN (lbf) | |
| G | modulus of rigidity, GPa (psi) | |
| h | thickness of cheek or web (also with suffixes), m (in) | |
 | ratio of length to diameter of crank | |
| I | moment of inertia, m 4, cm 4 (in 4) | |
 | ratio of inner to outer diameter of a hollow shaft | |
| K b | numerical combined shock and fatigue factor to be applied to the computed bending moment | |
| K t | numerical combined shock and fatigue factor to be... |
