General description The 2X 1400KV Brushless Motor set includes two brushless motors, two 30A ESCs, four SG90 9G mini servos, and four 8060 propellers, making it an ideal choice for RC fixed-wing airplanes and helicopters. This comprehensive package is designed for enthusiasts looking to enhance their remote-controlled aircraft performance. Technical specifications Brushless Motor KV: 1400 Max Speed: 210,000/min (2 poles), 70,000/min (6 poles), 35,000/min (12 poles) Motor Dimensions: Φ27.5 x 30mm Shaft Diameter: Φ3.17mm Weight: 47g (set) ESC Output: Continuous 30A, Burst 40A (up to 10 seconds) Input Voltage: 2-3 cells lithium battery or 5-9 cells NiCd/NiMH battery BEC: 2A/5V (Linear mode) Maximum efficiency: 80% Maximum efficiency current: 4-10A (above 75%) Current capacity: 12A / 60s No-load current @ 10V: 0.5A Operating voltage for servo: 4.8V-6V 9G Servo Size: 21.5mm x 11.8mm x 22.7mm 9G Servo Weight: 9 grams No-load speed: 0.12 sec / 60 (4.8V) Locked rotor torque: 1.5-1.7 kg/cm