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Product Description:·The 1665 High Efficiency folding CW/CCW Propeller holder set uses new optimized airfoil design and high-strength engineered materials;
·Ensures good flexibility and airfoil stability for more than 10% efficiency gains and more power reserves;
·Suitable for all types of motors with symmetrical screw hole centres of 12 mm;
·Suitable for multi-axis multi-rotor unmanned aerial vehicles such as quadcopter,hexacopter,etc;
·Moulds made with MIKRON 5-axis machining centers in Switzerland.
Product Parameters:Applicable motor shaft:Φ4
Total length:406mm
Propeller mounting hole:Φ3
Weight of Props (including Props Clamp):About 34.5g/Pair
Thickness of propeller:4.5mm
Packing List:1665 High-efficiency folding CW props set ×1
1665 High efficiency folding CCW props set ×1
Hexagonal half round head screw(M3*8mm) ×4