| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a blade of a horizontal axis wind mill capable of improving transportation property greatly and reducing fluctuation load acting on the blade greatly. <P>SOLUTION: This blade 10 of the horizontal axis wind mill has a divided structure constituted by dividing into an inner blade part 12 on a blade root side and an outer blade part 13 on a blade end side in substantially central part in the direction of length. The outer blade part 13 is turnably connected with the inner blade part 12 through a hinge 14 in the directions F<SB>1</SB>, F<SB>2</SB>of flapping. A detachable spring 15 is provided between the inner blade part 12 and the outer blade part 13. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
