Check the listing for details. Xnova Lightning 4020-1350kV Brushless Motor (5x32mm D Shaft). Condition: New. Listed at 225.00 USD. This is the Xnova Lightning 4020-1350KV 1.5Y Brushless Motor with a 5mm "Type D" 32mm Shaft. This high performance brushless motor has the best power to weight ratio of the Xnova 4020 line. This is an ideal option for the Synergy 516 helicopter and is a great choice for Intermediate to Hard 3D flying styles. Features: Higher efficiency over previous generation Thinner stator laminations Lower temperatures Smooth operation; no cogging Specialized wires,heat resistance up to 250 degree C Precision balanced High performance stator metal sheet Optimized ventilation High quality NMB bearings Superb quality and machining of CNC parts Specifications: Slots & Poles: 24n8p Winding T: 1.5Y rpm/V: 1350 Weight (without connector): 350g Body Length (no shaft): 51.2mm Diameter: 49.5mm Shaft Length: 32mm Shaft Diameter: 5mm Mounting Holes CTC Distance: 25mm Mounting Screw: 4* M3 Max Eff. Current: 74.16 | 136.63 | 170.78 Max Eff.: 91.1 | 91.80 | 91.80 Kt (Nm/A): 0.0071 Km (Nm/sqrt(w)): 0.0913 Max Continuous Power: 2600W Peak Continuous Power (5 sec): 3200W Max cont. current (A): 130 About Us | View Store