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What Does the Negative Number Mean on an Aluminum Bat?

Facts

    Aluminum bats are measured in inches for length and ounces for weight.

Function

    The negative number on an aluminum bat represents its length-to-weight ratio. For instance, a 30-inch bat weighing 26 ounces would have a -4 designation.

Significance

    A lower negative number translates into greater bat speed.

Types

    Aluminum bats are available with negative ratings as low as -13. These bats, which are extremely light and long, are only available for the youngest youth leagues. And due to the technology required to make such lightweight bats, they also tend to be more expensive.

Considerations

    High school and college baseball players must use bats with a length-to-weight ratio no lower than -3. Swinging bats with lower negative numbers would generate too much power and increase the risk of injury.

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About the Author

William Lynch has been a freelance writer for the past fifteen years, working for various web sites and publications. He is currently enrolled in a Master of Arts program in writing popular fiction at Seton Hill University. He hopes to one day become a mystery novelist.

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