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

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














Description:
Motor Diameter: 8.5mm
Motor Length: 20mm
Shaft Diameter: 1mm
Cable Length: 80mm
Weight: 5.1g
Option: Clockwise Motor(With Red Blue Wire), Anti-clockwise Motor(With Black White Wire)
Option: With 1.25mm JST Plug
Quantity: 4 pcs

1.Operating condition

Rated voltage	3.7V DC
Direction of rotation	CW and CCW
Operating voltage range	DC2.0--4.5V DC
perating temperature range	-10-50°C
Motor position	all position

2.Mearsuring condition

Motor position	horizontal or vertical
Power supply	regulated DC power supply assuring unquestionable measuring
regulated DC power supply assuring unquestionable measuring	10-30°C  30-95% If the judgment is questionable,Measurent is to be made based on JIS Standard Testing Condition(20+2°C,65+5% )
Direction of rotation	viewed from output shaft side

3.Electrical characteristics

Items	Specification	Standard value
No Load speed	53500rpm±12%	53500 rpm
No Load current	280mA max	200mA
Starting voltage	0.8V max	0.5V DC
Stall current	10570mA±5% mA	10570mA
Terminal resistance	0.4 ohm ±5%	0.4ohm
Insulation resistance	10M ohm min	AT 250V DC between motor terminal and case
Stall torque	64.0±3g.cm	64g.cm

 
 
Cautions:
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 running Continuously for more than six months.
3) Do not lock the motor shaft while the electric is on. The motor will be burnt out after the motor shaft was locked for more then 1 second.
4) Do not hit the motor directly.

Package included:
2 x CW motor
2 x CCW motor