FUTS9252   Futaba   S9252 Servo Digital All Purpose 

TECH NOTES
      This is the Futaba S9252 Digital High Torque, All-Purpose F3C Servo
          with High-Current Wire Lead and "J" Connector Pre-Installed.

FEATURES: Digitally enhanced microprocessors cut about 1/2 of the response
            time from transmitter input to servo reaction.
          Coreless motor
          Dual ball bearings on the output shaft
          Plastic/nylon gear train
          Moderately high speed
          High current, high capacity wire lead with low resistance
          Case is made of black plastic
          Dust and water resistant (Not waterproof)
          Works well with all control surfaces on F3C helicopters or precision
            fixed wing aircraft.
          One year warranty

INCLUDES: One Digital All Purpose Servo w/Small Round Horn
          Four Rectangular Grommets
          Four Brass Bushings
          Four Mounting Screws
          One Large Round Horn
          One Six Arm Horn

SPECS:    Speed:   .14 sec/60 degrees (based on 4.8 volt rating)
          Torque:  91.6 oz/in (6.6 kg-cm) (based on 4.8 volt rating)
          Weight:     1.75 oz (50 g)
          Power Supply: 4.8 volts (Futaba does not recommend using 6 volts)
          Length:        1.5" (40mm)
          Width:        0.75" (20mm)
 _        Height:        1.4" (36.6mm)

COMMENTS: S9252 Digital Servo Precautions,
          -It is best to avoid long leads and Y-harnesses especially with
           standard grade wires.  If problems are encountered, consider using
           heavy duty wire such as Futaba's Heavy Duty Series or Hobbico's
           Pro Series ,minimizing lead lengths, and/or removing Y-harnesses.
           -Current Drain:  Futaba S9252 Servo is specially designed for high-
            torque and high-speed, therefore very high current drain is
            normal at startup.  For ultimate performance when using this servo,
            please review the following points.
            (1) Always use a 4.8 volt NiCd battery.  Dry cells are rated at
              1.5 volts each making the overall voltage 6.0 volts which will
              damage the gyro.
            (2) When using systems with the battery fail safe function it has
              a higher cut-off voltage setting which will cause shorter
              operation time.
            (3) When installing the servo please check pushrod linkage to make
              sure there is no binding in order to prevent excessive power
              consumption and decrease the life of the motor and battery.
          When Used With GY501 Gyro:
            Switch the GY501 servo frame rate function (Frm) from "NOR" to
            "High" to display the performance of the gyro to the fullest.
            Setting Method:
            (1) Press the GY501 FUNC+ or - key to call the Servo Frame Rate
              Setup Screen.
            (2) Press the DATA+ or - key to display "High".
          This digital servo CANNOT be used with the following transmitters:
            (Servo Neutral Signal: 1310us)
            Conquest AM, FG Series (T4FG, T5FGK, T6FG, T6FGK. T7FGK), New
            Terratop, T3EGX, T3PGE, T2NL, T2LGX, T2FR, T2PK Series.

           An explanation of coreless motors, a conventional servo motor has a
             steel core armature wrapped with wire that spins inside the
             magnets.  In a coreless design, 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.
                                        

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