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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 →

Arden Jaguar XF AJ 21 one custom kitty Michael Harley

Arden, the German tuning firm that's been tweaking Jaguars for decades, is teasing us with this concept shot of its new Jaguar XF AJ 21. We just drove the 2009 Jaguar XF and felt the sheetmetal was ...

Spoiler spoils a Ferrari 456 Noah Joseph

Some thought it was tasteful, some thought it was bland. One way or another, the 456 GT was a refreshingly understated touring machine from Maranello when its contemporaries were dominated by ...

JE Design intros Audi TT 8J body kit Dan Roth

JE Design has gone and messed with the Audi TT. The changes are subtle, which is good, because it's hard to improve upon the TT's form. The JE kit will surely draw mixed reviews, though we like that ...

How To: Measure your vehicle's Cd without a million-dollar wind tunnel 1 year ago on Autoblog

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 ...

Arden Jaguar XF AJ 21 one custom kitty 1 year ago on Autoblog

Arden, the German tuning firm that's been tweaking Jaguars for decades, is teasing us with this concept shot of its new Jaguar XF AJ 21. We just drove the 2009 Jaguar XF and felt the sheetmetal was lacking some excitement. In a good manner, it appears that Adren has addressed some of our concerns ...

Spoiler spoils a Ferrari 456 2 years ago on Autoblog

Some thought it was tasteful, some thought it was bland. One way or another, the 456 GT was a refreshingly understated touring machine from Maranello when its contemporaries were dominated by enormous ducts and wings. Compared to its successor, the 612 Scaglietti, the 456 was an exercise in good ...

JE Design intros Audi TT 8J body kit 2 years ago on Autoblog

JE Design has gone and messed with the Audi TT. The changes are subtle, which is good, because it's hard to improve upon the TT's form. The JE kit will surely draw mixed reviews, though we like that their kit still lets what's good about the car shine. There's new pieces for the chin spoiler in ...






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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