| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a golf club capable of stabilizing the directionality of a hit ball. <P>SOLUTION: The golf club has a club full length of 43 to 48 inch, and an wood-type head having a head volume of≥250 cm<SP>3</SP>. The golf shaft meets formulas (1) and (2) about a centroid length (mm) being a minimum length from the shaft center line of the shaft to the centroid of the head and the torque T(°) of the shaft. In this case, the formula (1) is T≤0.286L-7.14 and the the formula (2) is T≥0.143L-2.79. <P>COPYRIGHT: (C)2004,JPO</p> |
