Specs: Diameter: 28 mm Length: 52 mm Shaft Dia.: 4 mm Weight: 130 grams No load current(lo): 2 Internal resistance: 0.16 KV: 2200 No. of poles: 6 Max Current: 80 A Max efficiency: 87% Power Nominal: 1600 Watts on 8S (for EDF) Advance timing : 18° Middle PWM: 16 Khz