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cd and frontal area

Old 12-17-03, 06:38 AM
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cd and frontal area

Does anyone have the CD and frontal area of a stock 3rd generation? I know this is specific to the FD but there is much more chance of someone know on this forum.

tks

earl
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Old 12-18-03, 06:35 AM
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what...no one knows?
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Old 12-18-03, 10:52 AM
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yamaguchi book says drag is .29 for base and .31 for r1
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Old 12-18-03, 08:13 PM
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I agree with the .29 and .31 figures....

According to "Race Car Aerodynamics", the frontal area is cited as 1.69 AND 1.79 square meters. I am not sure which figure is more accurate.

Brian
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Old 12-18-03, 08:17 PM
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Hey...if we take off the windshield wiper, would that improve the cd ?

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Old 12-19-03, 06:49 AM
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It is strange that the r1 is not quite as slippery as the base. I found a website with the data I was looking for. It calculates hp loss at speed and has data for almost all cars.

check it out: http://www.teknett.com/pwp/drmayf/tbls.htm
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Old 12-19-03, 09:30 AM
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Originally posted by bermuda20b
It is strange that the r1 is not quite as slippery as the base. I found a website with the data I was looking for. It calculates hp loss at speed and has data for almost all cars.

check it out: http://www.teknett.com/pwp/drmayf/tbls.htm
The R-1's rear wing is the culprit - it produces lots of DRAG for a Minor increase in downforce. the later (99+) wings produce about the same drag but also much more downforce.
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Old 12-20-03, 10:51 PM
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Originally posted by reza
Hey...if we take off the windshield wiper, would that improve the cd ?

Reza
That's pretty funny. You might reduce the Cd by a little bit, but it would be so small that you would never notice the difference as a driver.

- Cody
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Old 12-21-03, 04:38 AM
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I was considering that to reduce weight...and turbulence over hood and windshield. May improve a little but at reduced safety factory in case spill on track from car in front of you...

And you may get contested at SCCA auto-x? No?
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