ASTM-F2398 › Standard Test Method for Measuring Moment of Inertia and Center of Percussion of a Baseball or Softball Bat
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1.1 Method for determining the moment of inertia (MOI), the center of percussion (COP), and the balance point (BP) of baseball and softball bats. These physical properties are used in Test Method , Test Method , and Test Methods .
1.2 The MOI, COP, and BP are measured in the laboratory on test equipment meeting the requirements defined in this test method.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
balance point, BP; baseball bat; bat; center of percussion, COP; moment of inertia, MOI; softball bat;; ICS Number Code 97.220.40 (Outdoor and water sports equipment)
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97.220.40 (Outdoor and water sports equipment Including equipment for mountaineering, football, tennis, swimming, diving, etc. Personal flotation devices (life jackets), see 13.340.70 Small craft, see 47.080)
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2011 R15 EDITION
Nov. 15, 2015