Diameter 36 mm Leght 67 mm Weight: 305 g Shaft diameter: 5 mm Number of turns: 3 RPM per Volt: 700 min-1 Maximum curent: 38 A Resistance (1. phase): 0,022 W Maximum effeciency: 83 % Number of cells: 12 - 16 Recommended prop 12 cells: 12/8 (30 A); 13/8 (35 A) Recommended prop 14 cells: 12/8 (36 A) Recommended prop 16 cells: 11/8 (37 A) Controller: Adv 40-3P