Aerodynamic Aids - What a drag, What’s your drag? |
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Aerodynamic Aids - What a drag, What’s your drag? |
chris914 |
Nov 1 2007, 05:30 AM
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#1
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Member Group: Members Posts: 489 Joined: 24-July 04 From: San Diego, CA Member No.: 2,393 Region Association: Southern California |
Have you made changes to your 914 body or are you thinking of it?
Here are a number of computer models comparing different body modifications to the 914 and the effects that they have on the cars aerodynamic drag. http://www.cassidy-online.com/porsche914/aerodynamic_aids |
sean_v8_914 |
Nov 5 2007, 12:11 AM
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#2
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Chingon 601 Group: Members Posts: 4,011 Joined: 1-February 05 From: San Diego Member No.: 3,541 |
like Mugz said...random thoughts... from an amateur aero lugnut
to increase the speed of my car on the straights, I invert my skivies. the outward seams direct the flow of my mojo. it works because I tell myself it does. the rulebooks of where we race will be the ultimate factor in wing config. I have seen the dirt oval sprint cars running a midship mounted wing. it is huge and works well. I have also seen good wings mounted too low in teh "dirty air nobody has mentioned that a car is kinda wing shaped and inherently creates lift. the lip spoilers my not create down force but they do minimize the lift the cars body shape creates. NOW BACK TO THAT BELLY PAN. Grant please comment on this concept: the farther back you go under the moving car, the more air gets trapped under a dirty (not smooth) underside. I submit that this creates a higher pressure area toward the rear , higher pressure than the front. perhaps this is why the "Big Dogs" successfully run a big wing in the rear. holly crap. the SCCA rule book check out the back of the GT http://www.burdford.com/brochures/05GTSB.pdf several cars have a rake in teh stance to decrease rear air pressure. f1 cars also use this principal (and a belly pan diffuser) |
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