This incredible animation by Toyota outlines the process by which an engine produces power. It covers the typical cylinder configurations as well as basic terms like compression ratio, displacement, and the differences between single and double overhead cam engines. The video also explains some of today's newer engine technologies, like variable valve timing. It's worth watching more than once. - PopularMechanics.com
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At takeoff, a jetliner engine can move 1.25 tons of air per second. That’s enough power to suck all the air out of the largest American football stadium in less than a minute! Here’s a basic look at incredible jet engine technology with the turbofan engine.