Making a Drone with Lego Motors and Propellers

The motors, propellers and frame are made of Lego. Non-Lego parts are the battery, radio receiver and flight controller. After building I fly this quadcopter indoors and outdoors. Enjoy! Drone specs: Motors (4x): Lego L-motor [88003-1] Propeller blades (8x): Lego Propeller 1 Blade 14L [89509] Gearing: 1: gear-up for each rotor Frame: Lego liftarms and other Lego parts (look at 11:41 component list) Flight controller: Matek F411-mini Motor driver circuit (4x): MOSFET IRLR2905 Schottky diode 1N5819 Resistor 12 kOhm (look at 03:57 circuit diagram) Radio receiver: FrSky R-XSR Micro Radio transmitter: FrSky X-Lite Battery: LiPo 9s 200 mAh (made out of nine Turnigy nano-tech 200mAh 35-70C Pico) Weight with battery: 410 grams Max thrust: 470 grams Flight time: about 2 minutes Betaflight settings diff: --------------------------------------------------- # version # Betaflight / STM32F411 (S411) Nov 15 2019 / 12:55:17