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.
On a total-day basis, Fox News Channel led with 209,000 viewers in the adults 25-54 demo, down 3% from last year. CNN grew by 19% to 151,000, and was followed by another riser, HLN (122,000, up 15%). MSNBC fell to just 91,000 viewers in the demo, a decline of 17% vs. last year.