Agent 47 Vortex Generators

walter · Aug 25, 2009

Well Its getting close to my birthday and as usual my wonderful G/f is hounding me about gift ideas. Last week-end I washed and waxed the Stang and just my luck on the way back from a trip a few hours later I got one of those nice summer storms out of nowhere that just drenches everything in sight.... including my fresh wax job.

Normally I'd be pretty steamed about the thing but I was too busy observing that the beading motion of the water at 70+ MPH was uniform across the hood and roof but ended abruptly on the rear window and trunk section. Now what's that telling me is that I have a nice big turbulent vacuum being created at the edge of the roof following the trunk line creating a significant amount of drag causing the engine to work faster and more fuel to be burnt. Would a set of Agent 47's vortex generators help fix this problem and make the car a bit more slippery through the wind? Especially if I combine a nice functional chin spoiler later on? The price is right for a gift at about 79 bucks should I go for it or find other things to work on?

I'm drawing inspiration from rallying here where sedans are usually equipped with these to counter the blocky profile of STis and Evos.

mustangdave · Aug 26, 2009

Just did a quick search and those are without a doubt the ugliest thing I have ever seen on a S197.

white07gt-cs · Aug 26, 2009

mustangdave said:
Just did a quick search and those are without a doubt the ugliest thing I have ever seen on a S197.

+ 1, I'm afraid I'd hurt my head when I fell down. How? I'd have to walk backwards to get in the car to avoid looking at it and throwing up. Functional, maybe, but damn! Hell you could squash the roof 1/2 way down in a car crusher and reduce drag too, but I wouldn't suggest doing that, LOL.

Steel Horse · Aug 27, 2009

Pass. Unless you want to imitate a Mitsu Lancer.

erzats · Aug 27, 2009

interesting ,indeed.

Steel Horse · Aug 27, 2009

One more question. How did you know that the water was uniform across the roof going 70 mph? Do you have a glass back that I somehow missed in the past?

imfamousjim · Aug 27, 2009

i think they're pretty cool. I don't know how effective they'd be but it's definitely better than half the stuff people stick on our cars.
go for it!

COBESGT · Aug 27, 2009

I checked them out and sorry, but I would pass. I did like the Agent 47 Rear Spoiler though.

SlideWRX · Aug 27, 2009

Vortekz.com: Vortekz Generators

I used these to slight mileage improvement on my wifes GMC Jimmy. Only $30 if I remember correctly. held up for the last year and a half before we traded it in.

Casey4s · Aug 27, 2009

I don't like the Vortex things at all although I am sure there is Science behind their design, but it's up to you if you want those on your car.

Wind-Farmer · Aug 27, 2009

I personally think they do not look ugly at all...would infact make your car unique. I would consider something of this sort myself. But I don't know how good they would look on my glass back.

RodLee · Aug 27, 2009

Sorry but these guys are way off. Vortex generators creat more lift in aircraft, and more lift = more drag. In this case parasitic drag. It would make your spoiler more effective, but decrease drag? I say

StonePony · Aug 28, 2009

Taping on Uncle Ben's vortex generators is about as rice as you can get, enjoy.

walter · Aug 28, 2009

SlideWRX said:
Vortekz.com: Vortekz Generators

I used these to slight mileage improvement on my wifes GMC Jimmy. Only $30 if I remember correctly. held up for the last year and a half before we traded it in.

I want to check out the difference between the A47 units and those if there is a reson behind the design differences. But 30 is not bad.

SlideWRX · Sep 1, 2009

RodLee said:
Sorry but these guys are way off. Vortex generators creat more lift in aircraft, and more lift = more drag. In this case parasitic drag. It would make your spoiler more effective, but decrease drag? I say

They are used to keep the airflow attached to the surface better. for aircraft this is when they are at a high angle of attack and the airflow is threatening to separate. They don't by themselves create lift; they improve the operating range/angle of the wing.

In our case, they are little pieces of plastic that stick into the airflow, and by that they offer drag. They also help the airflow stay attached, which for cars reduces the size of the wake behind the car, which is a much larger reduction in drag versus the little drag these cause.

RodLee · Sep 1, 2009

SlideWRX said:
They are used to keep the airflow attached to the surface better. for aircraft this is when they are at a high angle of attack and the airflow is threatening to separate. They don't by themselves create lift; they improve the operating range/angle of the wing.

In our case, they are little pieces of plastic that stick into the airflow, and by that they offer drag. They also help the airflow stay attached, which for cars reduces the size of the wake behind the car, which is a much larger reduction in drag versus the little drag these cause.

Still ugly as sin in any case, and doubt they work well going 45-80 mph vs aircraft 100-200 knots. DON"T DO IT!!!

Agent 47 Vortex Generators

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