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.
House Democrats scored a historic victory in the century-long battle to reform the nation's health-care system late Sunday night, winning final approval of legislation that expands coverage to 32 million people and attempts to contain spiraling costs. The House voted 219 to 212 to approve the measure, with every Republican voting no. The measure now awaits President Obama's signature. In remarks Sunday night, he said that the vote proved that we are still capable of doing big things.