Specifications:
Model: 8520
Motor type: brushed coreless
Lead length: 60mm
Shaft length: 5.2mm
Shaft diameter: 1mm
Motor height: 20mm
Rated voltage: 7.4V DC
No-load current: 120mA ( max. )
Load current: 1200mA ( max. )
RPM: 46000 ( no-load ); 38500 ( load )
Weight: 5g / piece
Compatibility: indoor racing drones, like F90 Wasp RC racing drone