COMPETITION-Antriebsset Graupner 6083 High-performance power system specially developed for the STAR JET model aircraft, with 8 to max. 10 NC cells. Weight complete approx. 250 g The SPEED 480 L 7.2 V electric motors supplied are suitable exclusively for left-hand rotation and pusher propellers. The set contains: Two SPEED 480 L 7.2 V electric motors, two special 30 mm Ø precision spinners, two CAM SPEED PROP 14 x 11 cm propellers, 800 mm power cables, two suppressor capacitors, operating instructions in German, English and French.