volflo Posted February 10, 2005 Report Share Posted February 10, 2005 ...i am not a big fan of the oem roof spoiler. So i thought to keep the clean shape of the rear and at the same time reduce turbulence by using this.What Do you think? Will be good for air flow?Normally any round shaped tail (Keep the TT in mind!) induces upforce, so i thought the edge of the M5 shaped lip would help. Good idea? Link to comment Share on other sites More sharing options...
gdizzle Posted February 10, 2005 Report Share Posted February 10, 2005 how about a CF made lip with a built in vortex generator?! Link to comment Share on other sites More sharing options...
volflo Posted February 10, 2005 Author Report Share Posted February 10, 2005 again the legal issue enters the scene: NO E-code, no road use.... Anyway what is vortex generator? Link to comment Share on other sites More sharing options...
JCviggen Posted February 10, 2005 Report Share Posted February 10, 2005 Even a little spoiler on the back needs an e-code?? wowAnyway, do you think you will need more downforce at the back Florian? You said the round edge creates uplift so I'm guessing you want to avoid that...but I seem to remember that you were complaining about too much understeer with all the weight reduction in the back, so oversteer wasnt any problem for sure...i dont think it would be necessary to add anything to your car as is....i'd try it out at the Ring first and see how it handles, then if it "needs" anything at least you know more specifically what you needmaybe you could try some "fins" at the back like the EVO FQ 400 (UK only) lol Link to comment Share on other sites More sharing options...
Guest Guest Posted February 10, 2005 Report Share Posted February 10, 2005 florian..grab these off of the mitsubishi lance evo mr edition. wayyy e-code legal. Link to comment Share on other sites More sharing options...
Patrick. Posted February 10, 2005 Report Share Posted February 10, 2005 florian..grab these off of the mitsubishi lance evo mr edition. wayyy e-code legal.←have these actually been proven to improve aerodynamics? I read somewhere that they "should" but not that they actually did... Link to comment Share on other sites More sharing options...
gdizzle Posted February 10, 2005 Report Share Posted February 10, 2005 vortex generators have been around for a long time. Infact, IPD use to sell them. Link to comment Share on other sites More sharing options...
StansMan Posted February 10, 2005 Report Share Posted February 10, 2005 So i thought to keep the clean shape of the rear and at the same time reduce turbulenceAdding the lip on the back will increase turbulence, not decrease it. Making more downforce also creates more drag...it's the name of the game. If you want less air turbulence over the car, leave it stock. I can't imagine that little lip would actually make a lot of extra downforce anyway. If the rear decklid was as round as say, Audi's, then it would probably help. Volvo's are pretty square to begin with so this little lip probably wouldn't make for a huge gain in downforce. That said, i think it would look pretty good. Link to comment Share on other sites More sharing options...
Guest Guest Posted February 10, 2005 Report Share Posted February 10, 2005 s60r's tiny little trunk lip is supposed to add downforce by 25% Link to comment Share on other sites More sharing options...
StansMan Posted February 10, 2005 Report Share Posted February 10, 2005 Are you sure that's not the due to all the extra aero goodies on the R and not just the rear lip? Link to comment Share on other sites More sharing options...
Rocketeer Posted February 10, 2005 Report Share Posted February 10, 2005 So i thought to keep the clean shape of the rear and at the same time reduce turbulenceI would agree that a small lip spoiler such as this would actually create more turbulence as it directs the air up. You may not like the factory spoiler but if you look at it you will see that it has an opening in the middle that directs the air downwards under the spoiler to help control the air flow. I'm not saying that it creates a bunch of downforce but merely that it creates a cleaner flow of air than the lip spoiler you were proposing. JC Link to comment Share on other sites More sharing options...
steve s Posted February 11, 2005 Report Share Posted February 11, 2005 Are you sure that's not the due to all the extra aero goodies on the R and not just the rear lip?←s60r designer hans hilsson says that little lip on the trunk increases high speed stability and reduces rear end lift by 25% Link to comment Share on other sites More sharing options...
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