| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an iron golf club set which more stabilizes a directivity and a flight distance of a hit ball in using short irons by forming a club shaft out of fiber reinforced resin. SOLUTION: In a set which comprises a plurality of iron golf clubs A3-A9, PW, SW with a grip and a club head mounted on a bat side and a tip side of a club shaft, respectively, and a club length made shorter corresponding to an increased loft angle, the club shaft is made of fiber reinforced resin, and the bending rigidity of a spot at 70 mm from a bat end of the club shaft decreases gradually in proportion to change from the club number with a small loft angle to the club number with a large loft angle.</p> |
