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.
Between 1998 and 2008, the share of Republicans saying they regularly watch Fox News rose 22 points, from 14% to 36%. Meanwhile, the share who regularly watch network evening news fell 15 points and the share who regularly watch CNN declined by eight points.