Bat Design
The design of bats also continues to evolve as manufactures search for ways to magnify the trampoline effect and increase the size of the bat’s “sweet spot.” In aluminum bats, a double-walled bat was introduced in the late 1990s. This design comprises an outer wall of scandium-aluminum, an inner wall of a composite material, and a “filling of rubber or a thick fluid between the two walls.
Read more about this topic: Batting (baseball)
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