Yup, you can't simulate or calculate as to fluid dynamics for RC cars. So you can't tell if a shape is good or not...
From track racing we've tested so many bodyshells you wouldn't believe it! I remember one season I painted, cut out and tested 10 different new shells... and all were slower than the old ones...
Some even look totally equal, yet perform totally different on the track. And some are good on one track, but not the next...
Furthermore a boxy shape can even be more smooth to drive than a round shape... so you just gotta test, test, test...
You might wonder when you see F1 if they are sure as well... there so much winglets and stuff going on, and the cars are very different from each other these days...
|