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ASTM F2219-14(2022)

Заменен
Standard Test Methods for Measuring High-Speed Bat Performance — 7 стр.
Значение и использование

4.1 These test methods offer a laboratory means to quantitatively compare the performance of baseball and softball bats.

4.2 Use of these test methods can provide quantitative metrics of bat performance.

Область применения

1.1 A method for determining bat performance by measuring the bat-ball coefficient of restitution (BBCOR), deriving the ball exit speed ratio (BESR), and calculating a batted-ball speed (BBS). It is applicable to baseball and softball bats of any construction or material. The test methods provide quantitative measures of bat dynamic performance that may be used for comparison purposes.

1.2 The BBCOR, BESR, and BBS are each calculated from measurements taken in the laboratory on test equipment meeting the requirements defined in this standard.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ICS
97.220.01 Sports equipment and facilities in general / Спортивный инвентарь и сооружения в целом
Сборник ASTM
15.07 Sports Equipment, Playing Surfaces and Facilities; Pedestrian/Walkway Safety and Footwear; Amusement Rides and Devices; Snow Skiing / Спортивное оборудование, игровые площадки и приспособления; Пешеходная безопасность; Обувная промышленность; Развлекательные аттракционы и механизмы; Лыжный спорт