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Open Track Racing
Steeda Q400 made functional?
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<blockquote data-quote="CCM302" data-source="post: 11547497" data-attributes="member: 128070"><p>The basic idea of a wing (on an airplane) is to create lift. So, just turn the wing upside down and you have negative lift, or downforce. So, 99COBRA2881 is correct in saying air under the wing is more important. Air speeds up around corners edges/corners/spoilers. So, we need to keep the air from separating from the rear windshield long enough to get under our respective wings. </p><p></p><p>I know that vg's help to an extent. They do delay the flow separation. Racebronco2, I'm not sure if you'd be interested, but it looks like you have tags on your cobra and the vg's already installed ;-)...but you could take your car for a spin in the rain up to about 70mph (interstate/highway...wherever is safe) and point your in-car video camera towards the rear window. Let it run for a few minutes and look at the results. You could also do the old school "oil droplets" or "pieces of string taped to the window" test. Whichever is easier. I know my flow separates about half-way down (as previously mentioned) with my sirius radio attenna mounted on the roof on the back just before the windshield molding. Having multiple air spoilers/vg's before the rear window should be that much better. Or is it that your flow appears to separate about half-way down with the vg's in place?</p></blockquote><p></p>
[QUOTE="CCM302, post: 11547497, member: 128070"] The basic idea of a wing (on an airplane) is to create lift. So, just turn the wing upside down and you have negative lift, or downforce. So, 99COBRA2881 is correct in saying air under the wing is more important. Air speeds up around corners edges/corners/spoilers. So, we need to keep the air from separating from the rear windshield long enough to get under our respective wings. I know that vg's help to an extent. They do delay the flow separation. Racebronco2, I'm not sure if you'd be interested, but it looks like you have tags on your cobra and the vg's already installed ;-)...but you could take your car for a spin in the rain up to about 70mph (interstate/highway...wherever is safe) and point your in-car video camera towards the rear window. Let it run for a few minutes and look at the results. You could also do the old school "oil droplets" or "pieces of string taped to the window" test. Whichever is easier. I know my flow separates about half-way down (as previously mentioned) with my sirius radio attenna mounted on the roof on the back just before the windshield molding. Having multiple air spoilers/vg's before the rear window should be that much better. Or is it that your flow appears to separate about half-way down with the vg's in place? [/QUOTE]
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Steeda Q400 made functional?
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