Sunnysky E-R2205 2205 2300KV 2500KV 3-4S Brushless Motor for RC Drone FPV Racing Notice: All motors you get are CW Screw Thread (Sliver Nut). The word CCW on the motor points at the Motor Rotation. Specification: Brand Name: Sunnysky Model: E-R2205 Item Name: 2205 2300KV 2500KV 3-4S Brushless Motor KV: 2300KV / 2500KV (Optional) Version: CW Screw Thread CCW Rotation (Sliver Nut) Stator Diameter: 22mm Stator Thickness: 5mm No. of Stator Arms: 12 No. of Rotor Poles: 14 Rotor Diameter: 27.4mm Body Length: 18mm Max. Lipo Cell: 3-4S (2300KV2500KV) No-Load Current: 1.45A@10V (2300KV); 1.4A@10V (2500KV) Motor Resistance: 53m (2300KV) ;46.7m (2500KV) Max. Con. Current: 40A/10s (2300KV);45A/10s (2500KV) Max. Con. Power: 670W (2300KV) ; 756W (2500KV) Weight: 30.5g (2300KV);30g (2500KV) Recommend ESC: 30-45A (2300KV);45-50A (2500KV) Recommend Propeller: 5040 /5045 3-Blade Prop 2300KV Testing Table (More Testing Data) Propeller Voltage (V) Current (A) Thrust (g) Power (W) Efficiency (g/W)RPMTemp. 100% Throttle 5040 3-Blade 14.81.1100166.14880388℃ 40s.2.8200414.83125034.8300714.22153747.054001043.83177109.65001423.521981212.46001843.272173015.47002283.072367918.48002722.942518022.19003272.752644525.810103822.65280012500KV Testing Table (More Testing Data) Propeller Voltage (V) Current (A) Thrust (g) Power (W) Efficiency (g/W)RPMTemp. 100% Throttle 5040 3-Blade 14.81.2100185.63876984℃ 26s.2.8200414.83124224.9300734.14153527.24001073.75176809.95001473.411999012.76001883.192175315.97002352.972359819.380028