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Aerodynamic aid: Drag & lift - COD - rear spoiler effect - Smooth undertray ... etcThis is a discussion on Aerodynamic aid: Drag & lift - COD - rear spoiler effect - Smooth undertray ... etc within the Tech Talk Forum forums, part of the Website Forums category; Very very interesting! Thanks very much... |
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05-17-2009, 09:40 AM
| #11 |
| Journeyman   Join Date: Jun 2007 AKA: vroom_vroom Location: England Garage: Vauxhall Corsa
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  | Very very interesting! Thanks very much 
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06-27-2009, 11:00 AM
| #12 |
| Junior Member  Join Date: Jun 2009 Location: USA-NJ
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| Aero & cd figures Sayaaf, first let me thank you for the very easy to understand intro to aerodynamics. The list of cd figures you posted.... where did you aquire them? I'm from the US, and something tells me these "might" be the Euro cd figures. We have cd numbers of .32 for the 1998 BMW 318i Sedan or the 318is Coupe. Do the Euro versions have a different front-sides, air dam and skirts. Any help, or even better a link showing these pieces would be great. In racing, i'm after the smallest of gains in speed. This looks good ! Aftermarket pieces that are even better cd wise.... fantastic ! ! Alan |
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06-27-2009, 01:28 PM
| #13 |
| Fanatic  Join Date: Dec 2006 Location: Manchester, UK Garage: 07 Passat Variant V6
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| The Volkswagen Passat (b5) had a drag coefficient of .27.  Quite remarkable for a saloon car in 1996.
__________________ "Two things are infinite: the universe and human stupidity; and I'm not sure about the universe". Albert Einstein Last edited by Kowalski; 06-28-2009 at 07:34 AM. |
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06-27-2009, 09:44 PM
| #14 |
| Junior Member Join Date: Jun 2009 Location: USA-NJ
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| Kowalski, yes they are indeed good figures. So are the 1989 Opel Calibras that's sold in your country...... .26cd, though not a sedan.  |
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| The Following User Says Thank You to morpheus For This Useful Post: | Kowalski (06-28-2009) |
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06-28-2009, 07:33 AM
| #15 | |
| Fanatic Join Date: Dec 2006 Location: Manchester, UK Garage: 07 Passat Variant V6
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__________________ "Two things are infinite: the universe and human stupidity; and I'm not sure about the universe". Albert Einstein | |
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06-28-2009, 06:25 PM
| #16 |
| Junior Member Join Date: Jun 2009 Location: USA-NJ
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| Absolutely correct, but underpowered is like under educated.  A little bit of improvement goes a long way, sometimes, especially with a lower cd.  16V heads are a bolt on, and as for the rest, I think Wallace might have something to say/add to that problem.  |
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| aerodynamic, aid, cod, drag, effect, lift, rear, smooth, spoiler, undertray |
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