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Vortex generators on hardtop?

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Old 04-02-2009 | 10:50 AM
  #11  
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One could see the trip strip used by speed ice skaters as a row of tightly packed bump shaped VG's?
IMH O the outcome is the same: shifting the separation point downstream.
Or am I wrong?

Old 04-02-2009 | 11:04 AM
  #12  
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Originally Posted by SpitfireS,Apr 2 2009, 11:50 AM
One could see the trip strip used by speed ice skaters as a row of tightly packed bump shaped VG's?
No. They have different mechanisms. The ultimate goal is the same, but they aren't the same.
Old 04-02-2009 | 08:40 PM
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Originally Posted by PedalFaster,Apr 1 2009, 11:15 PM
Setting aside for a moment the debate over whether vortex generators would allow you to run a shorter wing -- why is running a shorter wing desirable in the first place?
Yup, that would be my question as well.

In Mitsu's case, helping reduce the height of the shopping cart handles/increasing effectiveness of their intended fixed wing height was the goal with the VG (as well as a lot of performance marketing hype they can add from a $10 piece of plastic). In this case, we're adding our own aftermarket wings, and there is no ruleset for height of wings, so what's the need? Why take the unneeded hit on drag? Personally, I'd rather just have the higher wing if it's for track purposes because you'd have more change of angle of attack using a lower wing and VGs at different speeds.

Now if we were to throw VGs on the roof, I sure as hell wouldn't throw anything like Mitsu's on there. As a large corporate entity, they need to make them idiot-resistant and lawsuit-proof, and I believe that's why they're so thick and rounded compared to what you see on airplanes.
Old 04-03-2009 | 08:42 PM
  #14  
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if you dont want to run a higher wing due to the look... then why the heck would you want to have vortex generators on your hardtop?

i too dont understand the need to run a shorter wing.
Old 04-04-2009 | 07:41 AM
  #15  
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Originally Posted by PilotSH,Apr 2 2009, 08:40 PM
Now if we were to throw VGs on the roof, I sure as hell wouldn't throw anything like Mitsu's on there. As a large corporate entity, they need to make them idiot-resistant and lawsuit-proof, and I believe that's why they're so thick and rounded compared to what you see on airplanes.
Mitsu used big ones because small ones would hardly do any good at the speeds a car travels. That's what I got out of the paper. The theoretical ideal from the paper and the realized product are pretty close in terms of design.
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