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 was celebrating a No. 2 finish across every daypart, delivering its most-watched quarter in total day in seven years (732,000) and its best primetime quarter since the fall of 2008 in both total viewers (1.42 million) and the demo (455,000), according to Nielsenâs âlive plus same-dayâ averages.