GoolRC 2838 4500KV 4P Sensorless Brushless Motor & 35A Brushless ESC Electronic Speed Controller for 1/14 1/16 1/18 RC Car

Features of Motor: 4 Pole 12 slot hi-torque motor design High purity copper windings maximizes efficiency CNC machined 6061 T6 billet aluminum heatsink can High RPM ABEC5 oversized bearings Precision engineered for maximum energy conversion Short stator, less wire, lower resistance, more power Precision balanced rotor,smoothness for best reliability and maximum RPM Suit for 1/14 1/16 1/18 brushless cars-multi-mounting system for M2.5 screws Specifications of Motor: KV(RPM/Volt): 4500KV Max current: 50A Max watts: 600W Max voltage: <12V IO: 1.8A Rotor poles: 4 Resistance: 0.0285 Diameter: 28mm Length: 38mm Shaft length: 15mm Shaft diameter: 3.175mm Weight: 90g Sensored: No Features of ESC: Highest quality components to ensure high efficiency operation Excellent start-up, acceleration and linearity features Plenty of programmable items, suitable for various of chassis's, tires and racing tracks Multiple protection features: Low voltage cut-off protection / Over-heat protection / Throttle signal loss protection Internal timing can be changed easily to make the ESC suitable for various of motors Specifications of ESC: Constant current: 35A Burst current: 120A (10S) Power supply: 2-3S LiPo battery / 4-6S NiMh battery BEC: linear mode switch 5V 1A Package Information: Package size: 9.5 * 8 * 6.5cm / 3.8 * 3.2 * 2.6in Package weight: 153g / 5.4oz Package List: 1 * 2838 4500KV 4P Sensorless Brushless Motor 1 * 35A Brushless ESC