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 |