A 3d printable rotor that can be used for drones rc aircraft and air pumpingThe rotor has a diameter of 120mm and a tip angle of attack of about 24° - it can be attached to a 28.8mm diameter motor directly or added to a boss or scaledthe model includes both the full rotor and a single blade for easier printingthe rotor has been calculated to hold up at over 18000rpm easily - it was designed for use in a 1/10 scale functional harrier jumpjet model but can be used for any other impeller rc aircraft or high speed drone