A pair of CN Models 7×4 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 7×4 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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