Investigation into the correlations between engineering measurements and archers’ perceptions of different limbs in a recurve bow

Abstract

A novel methodology was developed to correlate the performance of different sets of archery limbs, chosen from different manufacturers, manufacturing technologies and connection systems, to the sensations experienced by the archers using the bow. Objective metrics (measurable quantities) and subjective metrics (archers’ sensations while using the equipment) were defined. These metrics were correlated to obtain a deeper understanding of the relationship between the metrics. Nine sets of limbs were tested to determine their static loading curve, speed of arrows on release, mechanical vibrations and sound of the bow on shooting. The mechanical vibrations were measured at two positions on the bow. The limbs were tested by ten archers to evaluate the subjective metrics. Three quality coefficients were used that related to engineering measurements. These quality coefficients could be used to evaluate the relative performance of the limbs. The analysis of the correlations between objective and subjective metrics provides new insights into the problem, highlighting interesting relationships between engineering measurements and archers’ sensations. The methodology used in this work was successful in fostering an understanding of the relationship between objective and subjective metrics on shooting. The results of this analysis could be used to improve existing designs or create new products for archery.