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.
ET, about an hour and a half into the prime time debate, the live web stream had 921,000 concurrent (or simultaneous) viewers, according to Alex Wellen, the company's chief product officer. Wellen called the traffic massive -- by far the biggest audience a primary debate has had on the Internet.