Golf club shaft formed from metal-containing prepreg and non-metal fiber prepreg and method of making the same

摘要: Disclosed is a golf club shaft of sheet-wound construction that approximates the characteristics steel shaft. The formed using metal-containing prepreg and non-metal fiber in order to provide having an elasticity index (EI) value 3.0˜4.5 kgf·m 2 , mass 80˜130 g, center 45˜51% overall length wrapped around mandrel near tip position where desired. desired EI overlal mass. Additional layers may be beyond vary preferably on includes annular recess at its accommodate tip.