这座储能厂会把“闲时”的电力储存在2500磅的飞轮电池中。 飞轮的轮缘线速度之高，超过声速。

The plant would store cheap "off peak" electricity in 2,500-pound flywheels that turn faster than the speed of sound.

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本发明是一种旋轮翼，它具有缘肋和桨叶，其特征是：把旋翼或螺旋桨的桨叶和飞轮的轮缘及加强环肋结构有机地结合成为一个整体，使之具有飞轮与旋翼或螺旋桨的双重功能；

The invention is characterized by the combination of the blades of a propeller and the wheel rim or ring rib of a flywheel, and has dual functions of a flywheel and a rotor wing or a propeller;

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