Description:
Suitable for 420 helicopter model. The new airfoil is designed for intense 3D flight with flexibility and stability. The unique rigid forming technology greatly improves the rotor’s resistance to distortion, prevents unstable air disturbance at the wing tip, and reduces the blades sound and power loss.
Parameter:
LENGTH:420mm
GRIP:≥5mm
WIDTH:34-36mm
HOLE孔位:3mm
AIRFOIL: SYMMETRICAL
Specification:
Main Blade 420MM×1 Pair



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