During one of our never-ending technical discussions, Jim Grubbs at Jim Grubbs Motorsports (JGM) suggested that we take a look at the flow difference between 30- and 45-degree valve seats. While ...
Isaac Newton used calculus to prove that, in the absence of air resistance, a fired cannonball travels in a symmetrical arch shape, or parabolic path, and he showed that maximum range is achieved by ...