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Description of ASTM-F1890 2011ASTM F1890 - 11Standard Test Method for Measuring Softball Bat Performance FactorActive Standard ASTM F1890 | Developed by Subcommittee: F08.26 Book of Standards Volume: 15.07 ASTM F1890Significance 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. Scope 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.
ASTM Standards 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 Keywords bat performance; BBCOR; BBS; BPF; COR; softball bats; softballs; BPF (bat performance factor); Coefficient of restitution (COR); Softball equipment; Sports equipment; ICS Code ICS Number Code 97.220.40 (Outdoor and water sports equipment) DOI: 10.1520/F1890-11 ASTM International is a member of CrossRef. ASTM F1890The following editions for this book are also available...
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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