1, start wind speed: 0.2m~0.4m/s 2, cut-in wind speed: 1.3m/s 3, blade weight: 500g/pc 4, no core in generator The Vane of China’s Most Advanced Small-size Wind Driven Generator Is Developed Successfully in Foshan Shunde District Fengyuan Energy Science and Technology Co., Ltd! This Kind of Superior Vane Possesses 10 Most Advanced Features, Which Solves Hundred-year Problem in Wind Driven ...