Feature: 1. 4 Pole 12 Slot Hi-torque Motor Design 2. High Quality: CNC Machined 6061 T6 Billet Aluminum Heatsink Can, High Purity Copper Windings 3. Maximizes Efficiency, High RPM ABEC5 Oversized Bearings Universal fit, for 1:10 2S Remote Control car , 3S Remote Control racing car 4. Precision balanced rotor,smoothness for best reliability and maximum RPM 5. Stator - Super Thin (0.35mm) Laminations Specification: Features: 4 Pole 12 Slot Hi-torque Motor Design High Quality: CNC Machined 6061 T6 Billet Aluminum Heatsink Can, High Purity Copper Windings Maximizes Efficiency, High RPM ABEC5 Oversized Bearings Universal fit, for 1:10 2S Remote Control car , 3S RC racing car Precision balanced rotor,smoothness for best reliability and maximum RPM Stator - Super Thin (0.35mm) Laminations Note: 2S battery is recommended Specifications: Name: 3660 Brushless Motor KV(RPM/Volt): 2600KV/3100KV/3800KV/4200KV Optional Watt:1200 Max RPM: 50000 Max voltage: <12V Max amps: 100A Rotor poles: 4 Diameter: 35.5mm Length: 59mm Shaft length: 17mm Connector: 4.0mm gold Weight:218g Shaft(mm):3.175 Name: 80A Brushless ESC: Cont.Current/Burst Current: 80A/480A Motor Type: Sensorless Brushless Motor For 2S Lipo or 6 cells NiMH : 1. on-road: 3670/3660-Size or smaller motor with the KV<3000KV 2. off-road: 3670-size or smaller motor with the <3000KV For 3S-4S Lipo or 9 cells NiMH : 1. on-road: 3660-Size or smaller motor with the KV<3000KV 2. off-road: 3660-size or smaller motor with the <3000KV Suitable Car: 1/10 1/8 RC Car Resistance: 0.0005ohm Battery: 2-4S Lipo/4-12Cells NiMH BEC Output: 6V/5A (Switch mode) Dimensions/Weight: 53x37x38mm/92g 30KG Servo 180 Degree： Apply Environmental Conditon: 1. Storage Temperature Range: -30°C～80°C 2. Operating Temperature Range: -25°C～70°C Standard Test Environment: 1.Temperature Range: 25°C～70°C 2. Humidity Range: 65%±10% Mechanical Specification: 1. Size: 40.0*20.5*40.5mm 2. Weight: 69g±2g 3. Gear type: 5 Metal 4. Limit angle:360° 5. Bearing:2BB 6. Horn gear spline: 25T Diameter: 5.9mm 7. Horn type: Plastic, POM 8. Case: Engineering plastics(PBT)+Aluminum alloy 9. Connector wire320mm±5mm 10. MotorCarbon brush motor Electrical Specification: 1. Operat voltage: 4.8V - 7.2V 2. No load speed: 0.24sec/60° - 0.17sec/60° 3. Runnig current: 140mA - 200mA 4. Peak stall torque:29.5kg.cm - 32kg.cm 5. Stall current: 2600mA±10% - 3400mA±10% 6. Working voltage range: 4.8 - 7.2V Control Specification: 1. Command signal: Pulse width modification 2. Amplifier type: Digital controller 3. Pulse width range: 500～2500usec 4. Neutral position: 1500usec 5. Running degree: 180°±3°(when 500～2500usec) 6. Dead band width: 5 usec 7. Rotating direction: Counterclockwise (when 1000～2000usec) Package Information: Package Size: 12* 8*1.5cm Package Weight: 406g General Box Package Packing List: 1* 3100KV Brushless Motor 1* 80A Brushless ESC 1* 30kg Servo Package List: 1* 3100KV Brushless Motor 1* 80A Brushless ESC 1* 30kg Servo