Futaba S3155 Digital servo
With the same case size as the popular S3150 the new S3155 metal geared and twin ballraced digital servo offers increased speed but lower torque for those applications where speed is all important.
Specification Voltage: 4.8v Dimensions: 30.0 x 10.8 x 29.0mm Speed: 0.16 sec/60° (4.8v) Torque: 2.0 Kg/cm (4.8v) Weight: 20.4g