Quote:
Originally Posted by 4drviper
It was nothing more than driving around with tufts to see if I can get any serious crosswind, so the results may not sound like worthy of 8 hours.
I thought the V arrangement (opening facing either forward or backward) was not taking advantage of the full number of VGs since in crosswind, one side of the V will be overlapping too much.
From Mr. Edgar's testing, I think that would be sufficient for my purpose to reduce the sideways forces in crosswind since I already tamed it down with some airtabs behind the rear axle, for the time being.
Now I'm looking at my car how I can firmly attach rooftop strake, and tryign to find some information on low speed characteristics of MiG-15/17.
Also about to buy the book.. the lack of scientific knowledge on my part while trying to have some fun with this is too painful.
And about "anyone actually optimizing VG type, number, and location placement outside a laboratory environment", I see too many toyotas with tiny nubs around the mirror, tail light, and D-pillars. But most importantly the plastic cover under where spare tire would/used to be.. if they are not VGs I don't know what else they are so a point in the right direction would be very helpful, thank you.
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Those tiny nubs are the outcome of acoustic wind tunnel testing, and simply 'tune' the natural harmonic frequency ( wind noise ) of that surface, and it's octaves, beyond the reach of the human ear.
Noise pollution is an issue which all automakers must address. Tire noise especially.