5015 fan modification for drone motor

thingiverse

Modification 5015 fan for bldc drone motor. Part list: 1x 1815 bldc motor (or 1306 with 18mm outer diameter) https://www.aliexpress.com/item/4001177046489.html?spm=a2g0o.order_list.order_list_main.10.4c2118024efG7V 1x Brushless ESC (10A or 20A recomended) https://www.aliexpress.com/item/1005003228013371.html?spm=a2g0o.order_list.order_list_main.4.4c2118024efG7V 1x 5015 fan 4x M2x3 screw Steps: - disassemble the 5015 fan and remove the shaft, magnets and metal ring from the impeller. - with dremel tool remove the front wall from the impeller - print the reduction ring (I recommend ABS material), it is necessary to adapt the internal and external dimensions to fit the motor and impeller perfectly - put on the reduction ring and the motor, and when the rotation is turned on, you can grind the unevenness on the ring - put the impeller on the motor with the reduction ring - screw the motor to the printed bottom plate with four M2 screws I designed this modification for the stealthburner toolhead, but it can also be used with the outer cover anywhere Connecting to a printer: - a 5V power supply of at least 3A is required - if you use long cables from the ESC to the motor, I recommend twisting them - I use klippper firmware, to connect it is enough to connect the ESC pwm pin to a free MCU pin, here is an example of the configuration that needs to be added: (Edit 1/14/2023) [servo fan_servo] pin:PB7 # or your free mcu pin maximum_servo_angle: 255 initial_angle:0 [gcode_macro M106] rename_existing: M106.1 gcode: M106.1 S{params.S} SET_SERVO SERVO=fan_servo ANGLE={params.S} - Don't delete the original [fan] section