Specification:

Johnson HC877 high-power high-speed motor, the appearance of the motor is good and the workmanship is thick, the material is thick, the front and rear are ball bearings, the built-in cooling fan, the 7-pole motor rotor, originally used on high-power electric tools, the power type high-power motor, The power is much larger than that of the 775 motor. Generally, the maximum power is about 500W and the peak power is about 1000W.

The nominal voltage of the motor is 18V, and the actual test of the motor can work at 5-18V. The voltage is low, the power is low, the speed is low, and the specific use depends on the test. The high-power motor starts with a large current at the moment, and the instantaneous current of tens of A is normal. The load is more than 50 watts, so it needs a high-current power supply or a power-type high-current lithium battery pack to drive, or cooperate with a DC motor PWM governor to start slowly, which can reduce the impact of the motor start on the instantaneous high current of the power supply.

Motor test at voltage 5V and 12V and 18V speed as follows:

5V voltage, no-load current 1.7A, no-load speed 5500 rpm.

12V voltage, no-load current 2.3A, no-load speed 13600 rpm.

18V voltage, no-load current 3A, no-load speed 20500 rpm.

The motor weighs 465 grams.