... strength We sell wind turbine ,competitive price,30% high power effiency,aerodynamic brak,fiber glass blades,light weigh,start-up wind speed low.Technical dateModelE ... )2.52.52.52.5Rated wind speed (m/s)12121210Security wind speed (m/s)45454545Turbine Type Up-wind TypeRated rotating speed (r/m)400400200180Yaw modelMechanicalBlade materialFiber ...