Supply voltage LiXX cells: 5 - 8 ; RPM/V [RPM/min/V]: 385 ; Nr. of turns: 16 ; Internal resistance [mOhm]: 63 ; No load current [A]: 1.2 ; max. effenciency [%]: 89 ; Max. efficiency current (η<82%) [A]: 18 - 40 ; Max. peak current (60 s) [A]: 61 ; Max. power [W]: 1780 ; Diameter [mm]: 50 ; Lenght [mm]: 64.4 ; Shaft diameter [mm]: 6 ; Weight [g]: 410 ; Nr. of poles: 14 ; Timming [°]: 15 - 25 ; ESC [A] : 75 - 100 ; Sailplane up to Weight [g]: 6500 ; Trainer up to Weight [g]: 5500 ; Acrobat up to Weight [g]: 4500 ; 3d up to Weight [g]: 3500