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.
17 of 17. CNN Opinion asked a range of contributors to give their take on the first Republican Party debate of the 2016 presidential campaign, and to pick their biggest winners and losers from the night. The opinions expressed in these commentaries are solely their own.