This is the Xnova Lightning 4530-480KV 5+5YY Brushless Motor, with a 6mm "Type E" 50mm shaft. The "Lightning Series" was developed from the extremely successful XTS Platform. Lightning series motors are simply the pinnacle of performance, and efficiency. If you're looking for the absolute best brushless motor within the Xnova line up, this is what you're looking for! The 4525 models are specially designed for 630-700mm helicopters to deliver an insane power to weight ratio. The 480kV model is recommended for extreme 3D flying and is optimized for 12S applications. All Lightning motors are 100% hand-wound and each motor runs through a complete quality control test before shipping.

Specifications:
Slots & Poles: 12n10p
Winding T: 5+5 YY with 1.5mm thick wire
rpm/V: 480
Volt (V): 20 | 30 | 40 | 50
Io(A): 2.0 | 2.8 | 3.5 | 4.5
Rm (mohm): 9.1 | 9.1 | 9.1 | 9.1
Weight (without connector): 535g
Body Length (no shaft): 60.5mm
Diameter: 55.7mm
Shaft Length: 50mm
Shaft Dia.: 6mm
Mounting Holes CTC Distance: 30mm
Mounting Screw: 4x07
Max Eff. Curr.: 66.3 | 96.08 | 124.03 | 157.24
Max Eff.: 93.97 | 94.17 | 94.36 | 94.28
Kt (Nm/A): 0.0199
Km (Nm/sqrt(w)): 0.2085
Max Continuous Power (Watts): 5600
Peak Continuous Power (Watts) (5 sec): 11200 (2sec)
Max cont. current (A): 140