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.
Fox News was the most-watched cable-news network during Thursday coverage of the event, Nielsen said. Fox News averaged over 3 million viewers in primetime and nearly 600,000 among viewers between 25 and 54. Fox News averaged 1.5 million in total viewers for the viewing day and 313,000 among viewers between 25 and 54. CNN also saw viewership surge.