抄録
A service choosing the best equipment for each player that is called 'Fitting' has received a lot of attention in golf market. However, Fitting is only conducted by experts called 'Fitters' who have special knowledge and experience. The one reason is that golf swing moitons are too complicated to systemize. Our objective is to reveal the complex swing motions and to establish a fitting system of golf shaft that can be used everybody who has not special knowledge. Firstly, we evaluated the validity of the calculated swing data using Design of Experiment and Response Surface Method to achieve our goal. It was found that the swing data were correct for 80% golfers their handicap is less than 40. Additionally, we developed a fitting system to choose the best golf shaft for each player and evaluated its accuracy. Using the shaft that the system recommended, 89 golfers of 103 improved their distance or direction or both.
