3 ms·
That's an interesting formula - why is it the 4th power of the axle weight?
by AlphaWeaver 3y ago
That's an interesting formula - why is it the 4th power of the axle weight?
- claytonwramsey 3y agoIt'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 https://en.wikipedia.org/wiki/Fourth_power_law