Hamlin, Denny

Why NASCAR Made a Yaw Rule

Yaw makes the new car easier to drive. So why did NASCAR make a rule limiting the amount of yaw allowed in the car? Initially, NASCAR was steadfast that they weren’t going to make a […]

Aerodynamics
Gordon, Jeff

The Science of …G-Forces

UPDATE 4/18/08: NASCAR.com has a very nice interview with Dr. Dean Sicking of the University of Nebraska-Lincoln about the SAFER barriers and how they functioned during the McDowell crash discussed below. As the FedEx commercials […]

Hamlin, Denny

The Science of …Fuel Intake Problems

Drew Donnelli asks: Can you offer any insight into the problems JGR seems to have with fuel supply? Thanks for the question, Drew. As usual, with the help of a couple incredibly patient friends, I […]

Earnhardt Jr., Dale

The Science of …Tony Stewart vs. Goodyear

We’ve established in Part I and Part II of this series that there are many factors that go into tire performance, some of which Goodyear has control over and others of which they don’t. Goodyear […]