Effect of weight on lap time / Heuristics

Andrew Grant · Post 12 Oct 2003, 10:57

Hello. This is my first post to this excellent forum. Watching the race this morning, with the 2/3 stop switches, I wondered about the weight affect.

On UK TV, Brundle quoting a S/Lap figure, but does anyone have some rules of thumb on the effect of weight on lap time, which could be used predictively for different (types of) circuits/conditions?

I have tried to search the forum for this, to no avail.

Regards, Andy.

SpeedTech · Post 13 Oct 2003, 04:36

Welcome aboard Andy

Can't answer your question but I'm sure one of the other guys can

Racer-X · Post 05 Nov 2003, 10:51

As an average you can consider 0,3s loss for every 10kg of weight. So, apart from the new tires, after a pit stop, a car is 1,5 slower.

joseff · Post 05 Nov 2003, 18:46

Check out this article at Road & Track magazine's website:

http://www.roadandtrack.com/article.asp ... cle_id=875

Oversimplication, but interesting