This is the Futaba S9255 Digital High-Torque Servo for helicopter usage.
Comes with heavy duty wiring that can handle higher current loads
Ball bearing output shaft
Coreless motor, a conventional servo motor has a steel core armature wrapped with wire that spins inside magnets. In Coreless designs, the armature uses a thin wire mesh that forms a cup that spins around the outside of the magnet eliminating the heavy steel core.
This design is much lighter resulting in smoother operation and faster response time.
One Digital High Torque Servo w/Small Round Horn and 11.5' (292mm) wire lead
Four Rectangular Grommets
Four Chrome Bushings
Four Mounting Screws
One Large Round Horn
One Six Arm Horn
One Four Arm Horn
Speed: .16 sec/60 degree @ 4.8V
Torque: 125 oz-in (9.0 kg/cm) @ 4.8V
Weight: 1.9oz (55g)
Dimensions: 1.6 x 0.8 x 1.4' (40 x 20 x 37mm)
This digital servo cannot be used with the following AM transmitters as the servo neutral signal is: 1310us). CONQUEST AM, FG Series (T4FG, T5FGK,T6FG, T6FGK, T7FGK), New Terra- top, T3EGX, T3PGE, T2NL, T2LGX, T2FR, T2PK series.
*Do not turn servo horn forcibly in the Power OFF State*
***** Do not use digital servos with AM systems *****