BP HOBBIES BL 2814-8 BRUSHLESS MOTOR BP 45 AMP ESC AND HOBBY ELETRONICS 5 VOLT SWITCHING BEC. PROP NUT WAS NOT THE RIGHT SIZE SO I DRILLED OUT SEEMS TO WORK HAS A EP 1047 PROP ON IT. THIS WAS IN A EFLIGHT EDGE 540 BEFORE I STEPPED ON THE TAIL COMES WITH ESC PROGRAMING SHEET