Supply voltage LiXX cells: 5 - 6 ; RPM/V [RPM/min/V]: 370 ; Nr. of turns: 18 ; Internal resistance [mOhm]: 23 ; No load current [A]: 1.3 ; max. effenciency [%]: 95 ; Max. efficiency current (η>85%) [A]: 25 - 55 ; Max. peak current (20 s) [A]: 79 ; Max. power [W]: 1850 ; Diameter [mm]: 63 ; Lenght [mm]: 55.2 ; Shaft diameter [mm]: 8 ; Weight [g]: 515 ; Nr. of poles: 14 ; Timming [°]: 15 - 25 ; ESC [A] : 85 - 100 ; Sailplane up to Weight [g]: 8000 ; Trainer up to Weight [g]: 7000 ; Acrobat up to Weight [g]: 5500 ; 3d up to Weight [g]: 4300