OA 7x4 V2 Folding prop blades (2mm hinge pin)

A pair of high quality very lightweight carbon 7 x 4 folding propeller blades made by OA Composites. These V2 blades have a true elliptical profile, improving efficieny and reducing the current draw.

These nicely made blades are suitable for use with F5K type and smaller electric models.

Note this product consists of two propeller blades only. The central spinner/yoke assembly is not included. Also it is common for prop blades to not fit all spinner/yokes perfectly as supplied. It is often necessary to reduce the width the blade root slightly to ensure free folding movement. Also the cut out in the spinner cone often needs to be increased to allow the blades to fully extend. The root of the blade should not touch the spinner cone when the prop is fully opened.

OA 7x4 V2 Folding Propeller Blade Specifications
Prop diameter	18 cm	7 in
Prop pitch	10 cm	4 in
Weight of 2 blades	2.6 g	0.09 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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