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Old 07-22-2007, 12:46 PM   #1
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to reduce the wake

after to have seen the image below, I want to ask to you, if the elements that I have evidenced, they can help to reduce the wheels wake.

first image:


By fabrio at 2007-07-22

In this image, you can to see, the wake of front and rear wheels (that they are different)
The first wake, it is reduced thanks the port exhaust


By fabrio at 2007-07-22
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Old 07-22-2007, 01:24 PM   #2
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i'm not sure if these will reduce any wake.

i think the ducts might be there for two reasons:

1: to provide an exit for the air in the wheelwell, and reduce the drag caused by air getting trapped in the wheelwell.
2: and i think more likely,these to provide better airflow over the breaks. the cars look as if they're easily capable of speeds over 200km/h and slowing down a car at such a speed will generate a lot of heat....

as you can see in the second picture the car seems to have a pretty big wake.
i find sportscars are not always a good example for aeromods as most things they have are there to reduce lift not drag.

however i think on most cars it would help if the air was somehow lead out of the wheelwell in a better way
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Old 07-22-2007, 02:42 PM   #3
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if thats another bugatti veyron it is capable of over 300km/h all day long...
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Old 07-22-2007, 02:56 PM   #4
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if thats another bugatti veyron it is capable of over 300km/h all day long...
At about that speed the tires last 15 minutes ...the fuel ,thankfully, runs out in 12
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Old 07-22-2007, 04:57 PM   #5
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Quote:
Originally Posted by lunarhighway View Post
i'm not sure if these will reduce any wake.

i think the ducts might be there for two reasons:

1: to provide an exit for the air in the wheelwell, and reduce the drag caused by air getting trapped in the wheelwell.
2: and i think more likely,these to provide better airflow over the breaks. the cars look as if they're easily capable of speeds over 200km/h and slowing down a car at such a speed will generate a lot of heat....

as you can see in the second picture the car seems to have a pretty big wake.
i find sportscars are not always a good example for aeromods as most things they have are there to reduce lift not drag.

however i think on most cars it would help if the air was somehow lead out of the wheelwell in a better way
thanks lunarhighway, your answer, deserves of the reflections.

I am in I come to an agreement with you when you write that the racecars is not always a good example, bat in certain cases, they can shows some solution with an vocation turned also at the drag reduction beyond the lift.

in the following images, I notice than the wheel and wheeweel, they make more turbolent flow.







I task that, if we straightened the turbulent flow, then, we would reduce drag, and if this he is realizable,is necessary a guide like the photos of supercars in examples.
he is reasonable?
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Old 07-22-2007, 06:22 PM   #6
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Wheel well skirts, such as those on the Ford Probe IV and V, do a much better job of reducing the turbulent flow from the wheel wells then using intake and exhaust vents to move quantities of air into and out of the wheel wells. Moving this air takes energy (in the form of increased drag). Wheel well skirts tend to keep recirculating the same air, which reduces drag, but reduces brake cooling, something you wouldn't want in a supercar. This shouldn't be a problem on a FE oriented car where you want to minimize brake use to maximise FE. I have to do a fair amount of braking when coming down the steep grades out the North Carolina mountains, and have never had a brake fade problem dispite having skirts on all four wheel wells and exhausting hot radiator air into the front wheel wells.
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Old 07-22-2007, 06:35 PM   #7
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nice to read to you here

In my case, not is possible to put the side skirt (the police would not be content), therefore, I try one alternative solution, and I write here, in order to understand if this is an valid solution.

You what of tasks?
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Old 07-22-2007, 07:19 PM   #8
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What is your idea?
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Old 07-22-2007, 07:23 PM   #9
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sorry, I have wryte "I try", but I serch an solution!
the guides like those of the supercars in photos, can be valid alternative?
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Old 07-22-2007, 07:59 PM   #10
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I believe what appears to be less wake at the front tires is simply an absence of kicked up dust from the rear wheel drive.
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