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Forum: Aerodynamics 06-27-2008, 09:31 AM
Replies: 58
Views: 38,481
VGs on top risk turning the airflow through too...

VGs on top risk turning the airflow through too great an angle and creating more induced drag (due to shape and lift) than the base (Pressure/vacuum) drag they reduce. I'd guesstimate that you want...
Forum: Aerodynamics 06-26-2008, 11:15 AM
Replies: 58
Views: 38,481
Yes it doesn't look so sharp on your pic as it...

Yes it doesn't look so sharp on your pic as it did on the one I found labelled as an '02. However, it's also not well curved enough to indicate that they intended the air to wrap round the back any....
Forum: Aerodynamics 06-26-2008, 08:49 AM
Replies: 58
Views: 38,481
Actually it's the combination of the lift and...

Actually it's the combination of the lift and drag vectors, due to free body diagrams of aeroplane aerodynamics being rigidly fixed in the up/down left/right frame of reference rather than in terms...
Forum: Aerodynamics 06-26-2008, 06:28 AM
Replies: 58
Views: 38,481
I guess I was unclear, the V should point...

I guess I was unclear, the V should point rearwards when on a topside surface, pointing it forwards enhances the downwash vortices. If using angled strips on the lower half of the side, they should...
Forum: Aerodynamics 06-25-2008, 07:57 AM
Replies: 58
Views: 38,481
However, killing "upforce" would be beneficial or...

However, killing "upforce" would be beneficial or at least translating it from up and 15 degrees backwards, to up and 5 degrees forward.
Forum: Aerodynamics 06-25-2008, 06:04 AM
Replies: 58
Views: 38,481
Yes, sometimes you've gotta think upside down and...

Yes, sometimes you've gotta think upside down and backwards on what applies to planes to apply it to cars, because you don't really want high lift.

Unfortunately what I thought I posted over...
Forum: Aerodynamics 06-24-2008, 08:37 AM
Replies: 58
Views: 38,481
That's interesting, I mentioned on mpgresearch a...

That's interesting, I mentioned on mpgresearch a while back that it might be possible to use closed cell foam "draft insulating" tape strip to get the same effect. I knew about the effect from a...
Forum: Aerodynamics 06-24-2008, 08:31 AM
Replies: 58
Views: 38,481
Yeah, I can see that being a problem, great...

Yeah, I can see that being a problem, great downforce through a long curve at 10K rpm, but it's time to shift.... annnnnnnnd the back end goes loose.
Forum: Aerodynamics 02-29-2008, 07:36 AM
Replies: 58
Views: 38,481
You can probably use exhaust flow to do it, in a...

You can probably use exhaust flow to do it, in a similar manner to "blown flaps".

It's interesting actually how many vehicles now have a large transverse muffler between the bumper and the gas...
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