drag coefficient


How To: Measure your vehicle's Cd without a million-dollar wind tunnel

At highway speeds, your vehicle is fighting an invisible foe trying to hold it back. The nemesis is wind resistance, and it is an automobile's worst enemy. Overcoming the resistance of the air is the key to increasing acceleration, top speed, and improving fuel economy. Wind resistance is often measured with sophisticated computers in multi-million dollar wind tunnels. The result is usually expressed as a number called the "drag coefficient" (Cd). While having a low drag coefficient is important, the size of the vehicle (expressed as ... Read more →

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Autoblog Podcast #155: 'Twas the night before LA...

Chris, Dan, and Editor Paukert go over some LA Preview action and quietly whoop it up on the podcast.

 
 

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