Graupner Servo DES 477 BB High Speed Motor 3-pole Motor Carbon Poly Gearing, Ball Bearing Speed: 0.06 sec/60 @ 4.8 V, 0.05 sec/60 @ 6.0 V Torque: 11.11 in? Oz (0.8 kg?cm) @ 4.8 V, 13.89 in? Oz (1.0 kg?cm) @ 6.0 V Dimensions: 1.0 x 0.5 x 1.1 in and 0.4 oz., 24 x 12 x 27 mm and 11 g