Graupner Servo DES 448 BB MG Torque Wing Motor 3-pole Motor Metal Gearing, Dual Ball Bearing Speed: 0.18 sec/60 @ 4.8 V, 0.15 sec/60 @ 6.0 V Torque: 55.6 inoz (4.0 kgcm) @ 4.8 V, 62.5 inoz (4.5 kgcm) @ 6.0 V Dimensions: 1.3 x 0.4 x 1.30 in and 0.7 oz, 32 x 10 x 33 mm and 20 g