This is the Futaba S9256 Digital Helicopter Gyro Servo with J Connector. This hyper fast digital servo, ideal for tail rotor control on helicopters requiring the ultimate in speed of response, yet still having good torque. The Futaba S9256 digital servo is fully compatible with super narrow pulse drive and features high response (0.06 sec/60°) and Alumite case with heat sink to cool the motor
Precision fixed-wing and heli flying requires precise, high-tech servos, and we are answering the call with new digital servos that reach full power immediately. They feature high-capacity, high-current wire for low resistance while maintaining standard servo dimensions and light weight so you can mount them almost anywhere.
Speed: 0.06 sec/60° @ 4.8V
Torque: 47 oz-in @ 4.8V
Length: 1.57" (40mm)
Width: .79" (20mm)
Height: 1.44" (36.5mm)
Weight: 2.01oz (57g)
Power Supply: 4.8V (Futaba does NOT recommend using 6V)
Note: This servo can produce high-current draw from your batteries. If using NiMH or LiPo batteries, make sure they are capable of delivering sufficient amps.