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.
Updated 7:06 AM ET, Thu September 24, 2015. 15 photos: The first televised debate. The first televised presidential debate took place 55 years ago, when U.S. Sen. John F. Kennedy, left, faced off against Vice President Richard Nixon, right, on September 26, 1960. The debate was one of the most-watched broadcasts in U.S. history.