In a dual pulley technique, this ratio is equal to the reference diameter of the output pulley getting higher than the reference diameter of the input pulley. It is reasonably easy as prolonged as you determine the gear ratios for a more intricate pulley method stage by action. For multiple pulleys, the ratios of the different areas of the mechanism need to be calculated to figure out the overall ratio. In the photo previously mentioned, the reference diameter of the decrease generate wheel is 20mm, the radius of the upper wheel is 40mm, and the ratio is 2:1. 2 spins on the decrease wheel and 1 spin on the upper wheel. The gear ratio also tells us one thing about the torque of the technique because the ratio of output torque to enter torque is equivalent to the equipment ratio. As a result, the torque utilized to the higher wheel is two times as quick, but the velocity is halved.