Patent ID: 8758171
Filing Date: 2014-06-24
Classification: A63B

Abstract:
1. A fitting method of a golf club, comprising the steps of: performing the following steps by a processor; preparing a relationship C in which a face angle at or before impact and a hitting result are considered when a plurality of golf players swing using a plurality of golf clubs with different head physical property values; obtaining measurement result of the face angle by a subject (golf player) hitting a ball with a test club; and determining a head physical property fitted to the subject on the basis of the relationship C and the measurement result of the face angle, wherein: the relationship C is a relational expression F1, the relational expression F1 is a relational expression F12 of the face angle and the head physical property, in the relational expression F12, correlation Rx of the hitting result and the face angle is considered, the head physical property is a centroid position of a head, a lie angle, a bulge on the face surface or a moment of inertia of the head, and the relational expression F12 is a relational expression in which the greater the face angle to be measured is, the more at the heel side the recommended centroid position of head is.