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1. Classing Cars with Physics (score: 1): Author: dg50@daimlerchrysler.com; Date: Mon, 7 Aug 2000 15:10:09 -0400; I while back, I observed that a small, light, low-power car would perform varyingly well against a large, heavy, powerful car, depending on the layout of the course, and that perhaps some metric need; /html/autox/2000-08/msg00215.html (9,742 bytes)
2. Re: Classing Cars with Physics (score: 1): Author: Snapspinnr@aol.com; Date: Mon, 07 Aug 2000 15:57:20 EDT; Well if you had "infinite grip" tires the lighter car would be faster. Why you ask? Because it would be less likely to tip over, since it has less mass acting on the center of gravity. I think that; /html/autox/2000-08/msg00216.html (7,758 bytes)
3. Re: Classing Cars with Physics (score: 1): Author: "Jay Mitchell" <jemitchell@compuserve.com>; Date: Mon, 7 Aug 2000 15:00:52 -0500; same and the weight other. Which car I think I see where you're going, but you're not specifying enough variables. There's engine power vs. rpm, fdr, gear ratios in 1st, 2nd, and (possibly) 3rd, and; /html/autox/2000-08/msg00217.html (7,796 bytes)
4. Re: Classing Cars with Physics (score: 1): Author: dg50@daimlerchrysler.com; Date: Mon, 7 Aug 2000 16:14:09 -0400; the Both engine power curves are flat, at whatever makes for equal power/weight ratios. Both cars are geared/tired to have the same thrust/weight ratios, and the shift points are the same. Of course; /html/autox/2000-08/msg00219.html (8,344 bytes)
5. Re: Classing Cars with Physics (score: 1): Author: Eric W Clements <ewc4@juno.com>; Date: Mon, 7 Aug 2000 16:22:57 -0400; The lighter car. Because the heavier car will have to have much bigger brakes to stop as well--leading to higher unsprung weight. So if the tires aren't in as solid contact with the road as much, the; /html/autox/2000-08/msg00220.html (8,142 bytes)
6. Re: Classing Cars with Physics (score: 1): Author: "Tony Ford" <EGFord@mazakcorp.com>; Date: Mon, 07 Aug 2000 16:48:35 -0400; Like someone said before, the the larger mass car will turn over sooner because the overturning (roll) moment acting thru the center of mass will be greater. But since you have infinite grip, the dri; /html/autox/2000-08/msg00221.html (8,176 bytes)
7. RE: Classing Cars with Physics (score: 1): Author: "Bill Fuhrmann" <bfuhrman@isd.net>; Date: Mon, 7 Aug 2000 17:48:03 -0500; It is more than a version of horsepower. Every time you try to change direction in a car, your car has to fight the tendency for the larger mass that is trying to go straight. This upsets your suspe; /html/autox/2000-08/msg00228.html (7,907 bytes)
8. Re: Classing Cars with Physics (score: 1): Author: "Charles Brown" <brow@bright.net>; Date: Mon, 7 Aug 2000 22:53:43 -0700; I agree with all that is said, but something has been left out. Your motor doesn't have infinite horsepower and if you can now almost call the auto-X course a drag race with the curves meaning little; /html/autox/2000-08/msg00239.html (12,447 bytes)
9. Re: Classing Cars with Physics (score: 1): Author: "Siebold, Frank" <frank.siebold@lmco.com>; Date: Wed, 09 Aug 2000 13:41:51 -0700; The heavier car is faster if the power-to-weight ratio is equal since the aerodynamic drag is identical for two cars with the same size and shape. As the speeds increase, the heavier, more powerful; /html/autox/2000-08/msg00326.html (7,879 bytes)

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