K30 DC 20000RPM DC Motor

This motor with small size and less weight, low power. It can output enough force to make some model like mini aircraft and robot platform. 　 Specification： Diameter: 8mm  Length: 27mm Shaft length: 6.0mm Shaft diameter: 1mm Nominal Voltage: 4.7V Pperating Voltage: 2.0-5.5V No Load Speed: 19900 r/min No Load Current: 0.11A At Maximum Efficiency of Torque: 0.14mN.m（1.4g.cm） At Maximum Efficiency of Output: 0.23W Stall Torque: 0.7mN.m(7.1g.cm) Stall Current: 0.42A         For any technical support or suggestion, please kindly go to our forum.