Bbcor vs. Besr Bat

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  • Topic: Baseball, Baseball bat, Hillerich & Bradsby
  • Pages : 13 (4578 words )
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  • Published : March 17, 2013
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BBCOR Bat VS. BESR Bat

Daniel Valdes, Juan Cuartas
Central Gwinnett High School
546 W. Crogan Street
Lawrenceville, GA 30046
10th Grade Table of Contents

Introduction/Purpose……………………………………………………………..pg.1
Abstract…………………………………………………………………………..pg.2
Research………………………………………………………………………….pg. 3-4
Experimental Design……………………………………………………………..pg.5-6
Data/Results………………………………………………………………………pg.7-11
Discussion………………………………………………………………………..pg.12-13
Conclusion……………………………………………………………………….pg.14
References/Bibliography………………………………………………………….pg.15
Acknowledgements/Bibliography……………………………………………......pg.16
Appendix…………………………………………………………………………pg.17-19

Introduction/Purpose

Starting in 2012, baseball changed completely. This is because of the fact that in January of 2012, the BBCOR (Bat-Ball Coefficient of Restitution) regulation came into effect. This rule is specified for baseball bats and was created because of the constant injuries happening in baseball because of the extreme force or “pop” that most BESR (Ball Exit Speed Ratio) certified bats had. BBCOR Bats were created to reduce this “pop” that aluminum baseball bats currently have and replace it with a more wooden bat style of play and result. Basically, BBCOR bats were produced to perform more like wooden bats, where the force that the speed that a baseball acquires after contact with the bat is noticeably less than the exit speed of the most typical BESR aluminum bat. However, is there really such a significant difference between BESR and BBCOR bats? Is the change so drastic that the amount of hits and homeruns will actually dramatically decrease in high school and collegiate level play? The purpose of this experiment is to answer these questions with supporting evidence to my results, which will hopefully answer the query of how significantly better is a BESR bat than a BBCOR certified baseball bat? We hypothesize that if a BESR bat is used to hit a baseball off of a tee, then the average velocity of the hit ball when measured with a radar gun will be approximately five miles per hour greater than that of a baseball hit off the tee with a BBCOR certified bat.

Abstract

The purpose of the experiment was to answer the question, how significantly have BBCOR bats reduced the power of BESR and aluminum bats? The hypothesis was that if a BESR bat is used to hit a baseball off of a tee, then the average velocity of the hit ball when measured with a radar gun will be approximately five miles per hour greater than a baseball hit off the tee with a BBCOR certified bat. To test the hypothesis, a procedure needed to be thoroughly followed. Seven participants needed to be gathered on a baseball field, where they hit ten baseballs with two types of baseball bats, one BBCOR certified and the other BESR certified, off of a hitting tee and into a net ten feet away, where someone was recording the velocity of each hit ball with a radar gun. This process was repeated a total of four times. Once the data was gathered, it showed that the BESR certified bat performed significantly better than the BBCOR bat, for it hit the baseball off of the tee at a grand average of 86.51 mph while the BBCOR bat his the baseball off of the tee at a grand average of 80.693 mph, resulting in a difference of 5.839 miles per hour. This rejected the hypothesis, for it slightly surpassed the approximation of five miles per hour. However, it still proved that the new BBCOR certification will definitely change the game of baseball and the way it is played.

Research

“Ping!” That is the sound a baseball makes when coming into contact with aluminum baseball bats. However, there is a new version of aluminum bats that is taking over the market due to the uprising of a new baseball regulation that takes...
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