A type of propeller whose blades automatically fold out when the engine is turning, and then fold back when the engine stops.
Material: Glass Fiber Nylon, ABS
Specification: 1047,1247, 8045, 9450, 1060, 5030, 6030, 7035, 8040, 8060, 9050, 7*6
Color: Black,Green,Orange, Gray
Blades: 2
Use on: Multirotor, Fixed wings
Rotation: CCW, CW
Style: Folding