Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

That's an interesting formula - why is it the 4th power of the axle weight?


It's an empirical result, derived from some testing by the US government in the 1950s [1].

[1]: https://en.wikipedia.org/wiki/Fourth_power_law




Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: