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Significance and Use
This test method offers a laboratory means to compare the performance of a softball bat.
Use of this test method can provide sports governing bodies a means to compare calculated BBS and other physical properties of bats.
1.1 This test method covers a method for determining bat performance by measuring the bat-ball coefficient of restitution (BBCOR), deriving the bat performance factor (BPF) and calculating a batted ball speed (BBS). It is applicable to softball bats of any construction or material. The method provides a quantitative measure of bat dynamic performance that may be used for comparison purposes.
1.2 The BBCOR, BPF, and BBS are each calculated from measurements taken in the laboratory on test equipment meeting the requirements defined in this specification.
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 requirements prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
F1887 Test Method for Measuring the Coefficient of Restitution (COR) of Baseballs and Softballs
F1888 Test Method for Compression-Displacement of Baseballs and Softballs
F2398 Test Method for Measuring Moment of Inertia and Center of Percussion of a Baseball or Softball Bat
ICS Number Code 97.220.40 (Outdoor and water sports equipment)
UNSPSC Code 49161509(Softballs)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM F1890-11, Standard Test Method for Measuring Softball Bat Performance Factor, ASTM International, West Conshohocken, PA, 2011, www.astm.orgBack to Top