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Calculating frontal area?

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04-27-2012, 09:25 AM	#1 (permalink)
320touring Master EcoModder Join Date: Jun 2010 Location: scotland Posts: 1,434 The Mistress - '88 Bmw 320i Touring SE Team m8 Last 3: 27.17 mpg (US) Germany Beadle - '91 Mercedes 300td (estate, N/A) 90 day: 24.63 mpg (US) The Bloodylingo - '05 Citroen Berlingo Multispace Desire 90 day: 39.77 mpg (US) Shanner Scaab - '03 Saab 9-5 estate Vector 90 day: 26.19 mpg (US) Clio 182 - '05 Renault Clio RS 182 182 90 day: 31.73 mpg (US) Thanks: 90 Thanked 95 Times in 79 Posts	Calculating frontal area? Hoping to plug in some data to the aero calc, but need to get some baseline figures. Can anyone advise me how to calculate the frontal area of my car? Then I can find out the Cd and get cracking! Cheers __________________ My Blog on cars- Fu'Gutty Cars http://fuguttycars.wordpress.com/ US MPG for my Renault Clio 182 ---------------------------------------------------

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04-27-2012, 10:48 AM	#2 (permalink)
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04-27-2012, 12:18 PM	#3 (permalink)
drmiller100 Master EcoModder Join Date: Dec 2011 Location: Boise Idaho Posts: 842 Thanks: 39 Thanked 89 Times in 69 Posts	frontal area - height times the width.

04-27-2012, 12:21 PM	#4 (permalink)
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04-27-2012, 01:16 PM	#5 (permalink)
320touring Master EcoModder Join Date: Jun 2010 Location: scotland Posts: 1,434 The Mistress - '88 Bmw 320i Touring SE Team m8 Last 3: 27.17 mpg (US) Germany Beadle - '91 Mercedes 300td (estate, N/A) 90 day: 24.63 mpg (US) The Bloodylingo - '05 Citroen Berlingo Multispace Desire 90 day: 39.77 mpg (US) Shanner Scaab - '03 Saab 9-5 estate Vector 90 day: 26.19 mpg (US) Clio 182 - '05 Renault Clio RS 182 182 90 day: 31.73 mpg (US) Thanks: 90 Thanked 95 Times in 79 Posts	Many thanks chaps! Now to get calculating __________________ My Blog on cars- Fu'Gutty Cars http://fuguttycars.wordpress.com/ US MPG for my Renault Clio 182 ---------------------------------------------------

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04-27-2012, 01:25 PM

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Frank Lee

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Quote:

Originally Posted by drmiller100

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frontal area - height times the width.

If you drive a cube van. Usual estimates are arrived at by h x w x .85-.90.

IIRC the Mayfield site that pops up from time to time was created for gamers and the figures were estimated this way. Not to be used if accuracy to the nth degree is wanted, but better than nothing.

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