MK 9x20S Folding Prop Blades

New range of Marcus Koch Powercroco ultra high power, high pitch prop blades. Used on German speed racers with speeds of 600 Km/hr. Designed for 40 mm yokes but can be used on all yoke sizes. Can be used at power levels up to 20 kW.

Slim blade version.

MK 9×20 Folding Propeller Blade Specifications
Prop diameter	23 cm	9 in
Prop pitch	51 cm	20 in
Weight of 2 blades	7.9 g	0.28 oz
Width of blade root	7.95 mm	0.313 in
Hinge pin hole dia	3.0 mm	0.118 in
Max power	20 k W