Hi All,
Could you please check my calculations to see if I have this correct, it's been a while & need to check.
Stress in Flywheel
4140 Steel
Tensile strength 655 MPa 95000 psi
Yield strength 415 MPa 60200 psi
σt-max = d/4 * w^2 * ( 3+ v * R2^2 + (1-v) * R1^2
σt-max is the...