420mm carbon main rotor

Product Description: Suitable for 420 RC helicopters, the new airfoil is designed for intense 3D flight, combining flexibility and stability, and unique rigid forming technology to greatly improve the torsion resistance of the rotor, prevent unstable airflow interference at the wing end, and reduce the sound of oars and power loss. Product parameters: LENGTH LENGTH: 420mm (mounting hole to wingtip) GRIP propeller thickness: ≥5mm WIDTH rotor width: 34-36mm HOLE hole position: 3mm (mounting hole diameter) AIRFOIL WING: SYMMETRICAL SYMMETRICAL Product Specifications: MAIN ROTOR 420MM×1 PAIR