CN 7x4 Folding prop blades (2mm hinge pin)

A pair of CN Models 7x4 prop blades suitable for the F5K and other small electric gliders. These blades have a flatter high aspect ratio shape and should fold closer to the fuselage, reducing glide drag.

These blades require smaller spinner/hub assemblies with 2mm diameter hinge pins. Note this product consists of two carbon propeller blades only. The central spinner/yoke assembly is not included.

CM 7x4 Folding Propeller Blade Specifications
Prop diameter	18 cm	6 in
Prop pitch	10 cm	4 in
Weight of 2 blades	2.1 g	0.07 oz
Width of blade root	5.0 mm	0.197 in
Hinge pin hole dia	2.0 mm	0.079 in
Max power	250 W

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