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Old 5th November 2009, 10:28   #1
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Exclamation Want to improve your FE - give you car some dimples!

A popular TV show (Mythbusters) did a test which shows an 11% improvement in highway FE just by covering a regular car's surface with dimples like to ones found on a golf ball. The dimples reduce drag and make the car more aerodynamic.

Here's a link from HowStuffWorks that explains the the concept behind the dimples on golf balls - HowStuffWorks "Why do golf balls have dimples?"

Here's links to the particular episode where they test this - MythBusters: Dirty vs Clean Car : Videos : Discovery Channel
VIDEO: Mythbusters test golf ball-like dimpling effect on fuel economy (*Spoiler Alert!*) — Autoblog


So stop loosing sleep over trying to keep your car dent free and go cover it with a thousand plus dents and dings! Just don't blame me afterwards, I'm just sharing what I saw on the Discovery channel.

@Mods: I don't know if we ought to put this under the shifting gears section.
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Old 5th November 2009, 10:39   #2
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If that's the case, the much-dented taxis in Bombay must be returning an amazing "average".
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Old 5th November 2009, 10:44   #3
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Quote:
If that's the case, the much-dented taxis in Bombay must be returning an amazing "average".
Hehe........The dimples on the golf ball are calculated for aerodynamic efficiency. Irregular body dents will increase drag.

Heres another interesting test.


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Old 5th November 2009, 10:51   #4
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Originally Posted by Shan2nu View Post
Hehe........The dimples on the golf ball are calculated for aerodynamic efficiency. Irregular body dents will increase drag.
Shan2nu
True, All they did was cover the car's body with a "regular" pattern of dimples like on a golf ball and got an 11% increase over the stock car.

Would an 11% difference be explained by other factors like wind direction,etc. or should we really start putting dimples on cars - being FE obsessed as we are (by and large).
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Old 5th November 2009, 11:00   #5
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Thank god, I got some dents yesterday during rains from a Indica. Is that the reason why built like tank cars give less FE?
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