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22 Jun 2001, 11:41 (Ref:108219)
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#1 | ||
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Rookie
Join Date: Jun 2001
Posts: 2
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F1 Drag Coefficient
Hey
I was wondering about the aerodynamics of a F1 car and the drag coefficient produced. Cause F1 cars are very sleak design but there is guite alot of wind resistance, as compared to a road car. Thanks f1_fanatic8 |
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22 Jun 2001, 14:26 (Ref:108284)
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#2 | ||
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Racer
Join Date: Feb 2000
Posts: 235
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A road car is designed for (within constraints) minimum wind resistance and low changes in lift with speed.
A modern saloon has a CD of about 0.3, but the really important figure is CDA where A= is the dynamic frontal area. For a simple view this is the frontal X-sectional area. So a Leyland Mini with CD=0.5 has a better CDA than an Audi 100 with CD=0.3 An F1 car is designed to stick to the road. Without the wings CD will be about 0.3 (even with tyres). Hoewver with the with the wings etc CD will be about 10 and CDA about 20m2 Regards IanC |
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22 Jun 2001, 14:31 (Ref:108286)
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#3 | ||
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Rookie
Join Date: May 2001
Posts: 18
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Drag coefficent
Hi.
I don't know if you know it, but there a F1 magazine called F1Racing in which Mike Gascoyne, then in Jordan, said in an article that the drag cefficent was variable depending on the circuit. As a reference, in Monaco it is about 1,00 and in Germany, the opposite, it's about 0,7. As you see, it is higher than in a road car, which goes around 0,3 and 0,4. The drag in F1 is not as important as it is in other categories, counting on the fact that the lift coefficetn is around 2,32, of course depending on the circuit, too. I hope it helps you. |
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3 Sep 2001, 20:12 (Ref:140773)
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#4 | |
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Veteran
Join Date: Jun 2001
Posts: 1,831
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I maintain a race car aerodynamics data base:
http://www.mulsannescorner.com/data.htm Its primarily aimed at Le Mans cars, but since the data is hard to come by I publish whatever numbers I can find even if they aren't 100% relevant to LMPs. You'll find road cars, F1, and CART racers. -- http://www.mulsannescorner.com Last edited by MulsanneMike; 3 Sep 2001 at 20:13. |
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4 Sep 2001, 04:27 (Ref:140978)
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#5 | ||
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Racer
Join Date: Jul 2001
Posts: 148
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Welcome aboard MulsanneMike! I've seen your website and can highly recommend it. Very cool stuff.
In the book Race Car Aerodynamics by Joseph Katz there is a table which lists: 1983 Generic F1 (without sipdepods) = 1.07 CD 1991 Penske PC20 (High downforce setup) = 1.11 CD 1991 Penske PC20 (superspeedway) = .74 CD The Penske is a CART car and a superspeedway is a large oval track requiring an extremely low downforce setup. |
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14 Sep 2001, 14:40 (Ref:146069)
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#6 | ||
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Racer
Join Date: Jul 1999
Posts: 326
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I remember Martin Brundle commenting in Motor magazine in 1986 that his Tyrell-Renault turbo F1 car at Monaco had a drag coeffiecent of 0.98 and found that a 0.01 decrease in Cd improved his top speed by 2-3mph.
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