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BESR vs. BBCOR

Published on Feb 09, 2016

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PRESENTATION OUTLINE

1.

BBCOR vs. BESR bats

2.

WHAT IS EXIT VELOCITY?

THE MEASURE OF HOW FAST A BALL IS HIT OFF OF A BAT AND HOW MUCH FORCE WAS GENERATED
3.

WHAT IS A BESR BAT

BESR STANDS FOR ( BALL EXIT SPEED RATIO ) AND THE BAT USES TRAMPOLINE AFFECT TO LAUNCH A BASEBALL
4.

HOW IS BESR MEASURED

FORMULA: V EXIT/ V BALL X BAT = BESR
5.

BESR LAUNCH TIME

A BALL CAN REACH 108MPH, PITCHERS ONLY HAVE .375 MILLISECONDS TO REACT TO A PITCH
6.

WHAT IS BBCOR

BBCOR (BALL BAT COEFFICIENT RESTITUTION) THE METAL IS STIFFER SO THE TRAMPOLINE AFFECT IS MUCH LESS
7.

HOW IS BBCOR MEASURED?

VR OVER VI ( I + R ) + R + CBALL = BBCOR
8.

TRAMPOLINE AFFECT

BBCOR HAS A .5 TRAMPOLINE AFFECT WHICH IS SLIGHTLY HIGHER THAN A WOOD BAT SO THIS IS VERY LOW
9.

WHATS THE DIFFERENCE?

BBCOR CAN SLOW A BALL DOWN 5% COMPARED TO BESR THIS GIVES PITCHERS MORE REACTION TIME
10.

DISADVANTAGES TO THE BBCOR

RUNS HAVE GONE DOWN AND HOMERUNS HAVE DECREASED 35%
11.

ADVANTAGES TO BBCOR

PITCHERS NOW HAVE MORE TIME TO REACT RATHER THAN A BESR BAT SO HEAD INJURIES HAVE GONE DOWN
12.

RULES FOR BBCOR

ALL BBCOR BATS MUST HAVE A 2 5/8 BARREL SIZE AND LENGTH CANNOT BE OVER 36""
13.

ESPN SPORTS SCIENCE VIDEO

HTTP://YOUTU.BE/GXI3SVB_O44
14.

WEBSITES

Justin Scheuer

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