| 摘要 |
PURPOSE: A rotator and blades for a windmill are provided to create torque even at wind velocity of about 2m/sec by regulating the number of blades from 2 to 12. CONSTITUTION: A rotator for a windmill comprises a rotary shaft cylinder(1), a plurality of arms(2) formed on the rotary shaft cylinder, a rotation body(3) with an outer plate(4), a dozen of blade fitting parts(5) with blade fitting holes(6), and tap holes(7). The rotation body is formed on the outer ends of the arms. The blade fitting parts are formed on the outer plate of the rotation body at the intervals of 30 degrees around the central axis. The tap holes are formed on both sides of the blade fitting holes. The post of a blade is inserted in each blade fitting hole. |
