ASTM F1880-98(2004)

1.1 This test method establishes the procedure to be used to determine the percent of let-off for archery bows.

1.2 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.

This test method covers procedure to determine the percent of let-off for archery bows. Percent of let-off shall be determined from formula using force-draw curve. Other factors for percent of let-off determination include hysteresis effect and rating conditions.