| 摘要 |
The wind turbine is the best clean energy technology on land. The prior art of the wind powered turbine involves large towers and access to high winds and open land. Those blades require technological maintenance, sometimes of a high order. Large turbines serve well the purpose to provide whole communities of people with electric power. However, he wind turbine here provided needs no tower, high winds nor open acres. The appliance adapts to vertical or horizontal placement. It can be located on or near the ground on any surface stable enough to hold it. Its unique sail design takes advantage of small winds. The maintenance can be done by any competent mechanic. In the long run, the windmill turbine may pay for itself with electric economy and may begin to pay the owner from the grid.
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