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C6 aerodynamics?

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Old Nov 20, 2003 | 09:27 AM
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Default C6 aerodynamics?

Will the C6 be more efficient aerodynamically?

I mean will it generate more downforce than the C5 with the aid of flat undertrays?

What do you think?

I hope so......
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Old Nov 20, 2003 | 10:17 AM
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Default Re: C6 aerodynamics? (ivan111)

I would think GM would improve the aerodynamics of the car to get a higher top speed and improve down force. I would bet GM has done some undertray work. I will make an early perdiction that the top speed of the C6 coupe will be 185mph.
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Old Nov 20, 2003 | 10:20 AM
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Default Re: C6 aerodynamics? (Mongooser)

With the size of the wing I'll put on mine downforce is not going to be an issue :lol: :lol:

j/k.

I agree with the above, I would imagine with each generation there will be improvements in the design. I'm wondering what the lower part of the backend looks like. Clearly they've filled it in some, with the reverse lights where there used to be those open slats. It will be interesting to see.
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Old Nov 20, 2003 | 10:27 AM
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Default Re: C6 aerodynamics? (yellow01)

I bet we'll see an improvement in aerodynamics...but I doubt the C6 will have a significantly less coefficient of drag than the C5. The current vette already has one of the lowest CoDs of any production cars made today. It would be hard to make it much better w/out making the car look like a bullet.


[Modified by PeteyPete, 9:28 AM 11/20/2003]
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Old Nov 20, 2003 | 10:46 AM
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Default Re: C6 aerodynamics? (PeteyPete)

C5 Coupe is at .29 Cd.

Some sedans are now at .25 Cd.
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Old Nov 20, 2003 | 10:58 AM
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Default Re: C6 aerodynamics? (Scissors)

Some sedans are now at .25 Cd.
Which ones? Other than the hinda insight/other electric cars.
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Old Nov 20, 2003 | 11:14 AM
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Default Re: C6 aerodynamics? (BQuicksilver)

Some sedans are now at .25 Cd.

Which ones? Other than the hinda insight/other electric cars.
Lexus ES300 with air suspension (.26 without the air susp.)
Lexus LS430
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Old Nov 20, 2003 | 11:14 AM
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Default Re: C6 aerodynamics? (BQuicksilver)

Some sedans are now at .25 Cd.

Which ones? Other than the hinda insight/other electric cars.
Exactly. I think it's balance drag and style better than the Prius and Insight. :rolleyes:

EDIT: A couple Lexus too, huh? :p:


[Modified by jrp4uc, 4:16 PM 11/20/2003]
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Old Nov 20, 2003 | 11:27 AM
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Default Re: C6 aerodynamics? (jrp4uc)

Early on I thought improved aerodynamics was one of the bits that Hill had given us. But I'm slipping now. I try to focus, but I just keep seeing this red car up above me. Sort of cruising the streets of San Francisco about 12 feet off the ground. No matter how hard I try, I can't see the targa panel or the hood. What do you think it means, Dr.?
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Old Nov 20, 2003 | 11:31 AM
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Default Re: C6 aerodynamics? (LongTimer)

I think it means you need more photographs of the C6 :-)
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Old Nov 20, 2003 | 11:34 AM
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Default Re: C6 aerodynamics? (Jinx)

That would help, but if rumors are true, I may need the winning Lotto numbers for a cure.
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Old Nov 20, 2003 | 11:36 AM
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Default Re: C6 aerodynamics? (ivan111)

I bet a lower Cd than C5 was less of a priority than reducing rear-end lift at speed, which is really one of C5's few aero vices.

(I wonder if the coupe's other vice, wind buffetting with the top off because the halo is higher than the windshield, has been corrected. Given a carryover windshield and the importance of headroom, I doubt it.)

I wonder if they managed to reduce frontal area at all? Do we know for sure whether overall width is reduced?

.Jinx
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Old Nov 20, 2003 | 11:58 AM
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Default Re: C6 aerodynamics? (Jinx)

Given a carryover windshield
Don't let TTRotary hear you say that! According to him, if the C6 shares part of the XLR's frame, it has to share every part of the frame--including the windshield. :lol:
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Old Nov 20, 2003 | 12:20 PM
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Default Re: C6 aerodynamics? (Jinx)

I bet a lower Cd than C5 was less of a priority than reducing rear-end lift at speed, which is really one of C5's few aero vices.

(I wonder if the coupe's other vice, wind buffetting with the top off because the halo is higher than the windshield, has been corrected. Given a carryover windshield and the importance of headroom, I doubt it.)

I wonder if they managed to reduce frontal area at all? Do we know for sure whether overall width is reduced?

.Jinx
I read different reviews about the XLR with comparos with the SL and SC430 and others and they said the XLR was the loudest inside with the top off, I hope this is not an issue on the Corvette. Hopefully GM didn't oversee this like it seems was done to the XLR. Another horrible oversight I read is that if it has been raining or the top is wet, when you put it down the water dumps into the truck, there is no guard or anything to prevent it.
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Old Nov 20, 2003 | 02:41 PM
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Default Re: C6 aerodynamics? (ivan111)

Two words; Belly-pan. They investigated it with the C5 (see All Corvettes Are Red). No reason it can't be made out of some sort of composite.
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Old Nov 20, 2003 | 03:32 PM
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Default Re: C6 aerodynamics? (ivan111)

I think that black plastic piece seen on the rear end, where the backup lights are, is a rear air diffuser. :cool:
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Old Nov 20, 2003 | 04:08 PM
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Default Re: C6 aerodynamics? (GDP)

I was thinking the same thing.......I hope they improve the downforce, that help not just for straight line but for cornering also......

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Old Nov 20, 2003 | 04:18 PM
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Default Re: C6 aerodynamics? (ivan111)

I remember hearing specifically that they were trying to lower the cD on the C6 from the C5.

Lower cD is usually mutually exclusive with more downforce.
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Old Nov 22, 2003 | 09:56 PM
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Default Re: C6 aerodynamics? (Mongooser)

I always asked myself why the 911 Turbo has a top speed of 190 mph versus the Z06 171 mph if both have the same drag number and the Z06 has better power to weight ratio, the difference is that fifth gear that in the 911 is taller like the C5 Coupe.....

And i think that the main reason why GM put a shorter fifth gear in the Z06 and not the same as the Coupe was to limited its top speed because the Z06 downforce is not as good as the 911, to reach 190 mph you need a lot of downforce..

So i expect more downforce in the C6 and an increase in top speed..... :D
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Old Nov 22, 2003 | 10:22 PM
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Default Re: C6 aerodynamics? (Butta)

I read different reviews about the XLR with comparos with the SL and SC430 and others and they said the XLR was the loudest inside with the top off, I hope this is not an issue on the Corvette.
I suspect GM was more interesting in purity of styling with XLR than top-down wind buffeting in the cockpit. They probably think such buffeting is a good thing ;-)

Another horrible oversight I read is that if it has been raining or the top is wet, when you put it down the water dumps into the truck, there is no guard or anything to prevent it.
I've read that was caused by a slight change from prototype to production and has since been corrected.

I doubt either of these "horrible" issues has any significance whatsoever to C6.

.Jinx


[Modified by Jinx, 7:23 PM 11/22/2003]
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