Diameter 36 mm Leght 37 mm Weight: 135 g Shaft diameter: 5 mm Number of turns: 4 RPM per Volt: 1600 min-1 Maximum curent: 32 A Resistance (1. phase): 0,021 W Maximum effeciency: 81 % Number of cells: 7 - 10 Recommended prop 7 cells: 9/6 (22 A); 10/6 (28 A) Recommended prop 8 cells: 8,5/5 (20 A); 9,5/7 (30 A) Recommended prop 10 cells: 8,5/5 (29 A) Controller: Adv 30-3P, Adv 40-3P