A closeup of the splitter from Richmond testing, showing the lip on the opening.
Aerodynamics

2023 Richmond Short Track Package Test Reflections

This week’s Richmond short track package test session — NASCAR’s latest attempt to remedy the Next Gen’s short track shortfall — fell short of expectations. Although progress was made in moving toward a softer tire with more grip and more wear, the aerodynamic experiments yielded little to no difference. […]

Darlington Raceway

Darlington Lead Changes

Despite all the changes in procedure for racing, I’m back to my regular schedule of post-race analysis. Today we’ll look at Darlington lead changes. No practice or qualifying suggested this race might be different than […]

Aerodynamics

The NASCAR Vortex Theory

The NASCAR Vortex Theory says that cars racing around an oval track create a rotational disturbance that repels oncoming storms. Truth? Or Myth? What’s a Vortex? A vortex is a region in a fluid (and […]