Quote:
Originally Posted by J08M3
The only time you can use math to figure out which is faster is when you're only talking about straight line driving. You can run the quick scenarios for the drag strip, or stop light to stop light racing and have a pretty good figure on which is faster, but any other circumstance can't be figured with simple math.
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That is absolutely false. The performance prediction software I use will in fact predict lap times. However, it is a very rough prediction and hence not really worth anything at all. Through validation I have realized the algorithms are accurate for straight line and not for tracks. All of vehicle dynamics, straights and curves alike is very well understood and characterized by basic math and engineering. So just because CarTest fails at lap time predictions certainly does not mean the problem can not be attacked with such a technique. I would be willing to bet anything many OEMs and certainly F1 teams have such capability, have had it for a very long time and it is reasonable accurate. Now that being said there is virtually no way track predictions can ever be as accurate as straigt line WOT predictions. You have so many more variables such as grip, more surface variability, variation in line and much more dynamic with throttle on/off and brakes on/off.