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.
The totals for viewership were even more decisive for the Fox News Channel, with daytime numbers almost surpassing CNN and MSNBC combined at 1.433 million to MSNBCâs 798,000 and CNNâs 764,000. Advertisement - story continues below.