The horsepower (hp) that a shaft can safely transmit varies jointly with its speed (in revolutions per minute (rpm)) and
Posted: Tue May 10, 2022 7:14 am
The horsepower (hp) that a shaft can safely transmit varies jointly with its speed (in revolutions per minute (rpm)) and the cube of the diameter. If the shaft of a certain material 2 inches in diameter can transmit 100 hp at 125 rpm, what must the diameter be in order to transmit 202.5 hp at 75 rpm?