4X Racerstar 8520 8.5x20mm 53500RPM Coreless Motor Upgrade for Eachine QX80 DIY Micro FPV Quadcopter

4X Racerstar 8520 8 5x20mm 53500RPM Coreless Motor Upgrade for Eachine QX80 DIY Micro FPV QuadcopterDescription Motor Diameter 8 5mmMotor Length 20mmShaft Diameter 1mmCable Length 80mmWeight 5 1gOption Clockwise Motor With Red Blue Wire Anti clockwise Motor With Black White Wire Option With 1 25mm JST PlugQuantity 4pcs1 Operating conditionRated voltage3 7V DCDirection of rotationCW and CCWOperating voltage rangeDC2 0 4 5V DCperating temperature range 10 50CMotor positionall position2 Mearsuring conditionMotor positionhorizontal or verticalPower supplyregulated DC power supply assuring unquestionable measuringregulated DC power supply assuring unquestionable measuring10 30C 30 95 If the judgment is questionable Measurent is to be made based on JIS Standard Testing Condition 20 2C 65 5 Direction of rotationviewed from output shaft side3 Electrical characteristicsItemsSpecificationStandard valueNo Load speed53500rpm12 53500 rpmNo Load current280mA max200mAStarting voltage0 8V max0 5V DCStall current10570mA5 mA10570mATerminal resistance0 4ohm5 0 4ohmInsulation resistance10M ohmminAT 250V DC betweenmotor terminal and caseStall torque64 03g cm64g cmCautions 1 Please use the motor in this technology index range for the performance of the motor is affected by environmental temperature seriously 2 It is not allowed to operate in the high temperature with high humidity and not allowed to contact with corrosive liquid and corrosive gas should not to be stored and without