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.
Live videos relating to the U.S. election took four of the 10 most-watched live streams on Facebook. Others in the top ten list included a video of people in Dallas lining up to hug police officers, a video of a truck completely carved out of wood, and Chardonnay GoâPokemon GO for moms.