![]() ![]() Plus, research has shown that faster bat swing speed results in faster batted-ball speed, though the change in ball speed would be minimal for most players. 1.5oz may not do much for an amateur player, but for a professional it means being able to watch the ball travel an additional 5-6 feet before having to commit to a swing. ![]() A bat which has less mass, and especially which has a lower moment of inertia, may be swung faster. Less mass (lower inertia) means faster swing speed.This means that the moment of inertia of the bat would decrease and it would be easier to swing. More importantly, the location of the center-of-mass of the bat would shift slightly towards the handle end of the bat. By drilling out the center of a wood bat and replacing it with cork a player can shave about 1.5 ounces off of the weight of his bat. A corked bat has (slightly) less mass.The following arguments were extracted from a reading of Robert Adair's book The Physics of Baseball or from an excerpt from an inverview he gave a few years ago, in which he addressed the issue of corked bats. But is does raise the question "Why would a player use a corked bat?" Is there any advantage (backed up by science) to using a corked bat? Regardless of how the bat got there, it was not the first time a player has been caught with a doctored bat, and it won't be the last. ![]() Sammy said it was an accident - that he had used the bat during batting practice and accidentally grabbed it by mistake when he went to the plate. His bat shattered upon impact with the ball and the umpire who picked it up discovered the bat had been hollowed out and filled with cork. On June 3, 2003, Chicago Cubs centerfielder Sammy Sosa was ejected from a game in the first inning for using a corked bat. Russell, " Corked bat, juiced balls, and humidors: The physics of cheating in baseball," Am. Today is The contents of this page were last modified on September 8, 2011įor a more general discussion of the physics of cheating in baseball, read this recently published paper: A.M. The contents of this page are ©2003-2011 Daniel A. Physics and Acoustics of Baseball & Softball Bats ![]()
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