Pitch Diameter and Drive Ratio. Pulleys and belts have two uses; to increase or reduce speed or torque, or to transfer power from one shaft to another. If the transfer of power is all you need, then two pulleys of the same diameter will do the trick.
Last night's Republican presidential debate drew an average of 22.9 million viewers for CNN, making it the most watched program in the network's 25-year history, the channel reported Thursday. The ratings were larger than the average NFL broadcast, at 19 million viewers, receives.
CNN announced Wednesday that 15.3 million people watched the first Democratic debate Tuesday evening, breaking the cable network's previous viewership record. Of that total, 4.8 million people were between the ages of 25 and 54, the highest viewership ever for a Democratic debate in that age group.