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FUTS9250 Futaba S9250 Servo Digital Heli
TECH NOTES
This is the S9250 Digital Servo w/Two Ball Bearings for
Helicopter and Aircraft use and Comes with "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 Bearing Output Shaft
Metal Gears
High Speed
Case is Made of Black Plastic
Dust and Water Resistant (Not Waterproof)
Great for Helicopters or Airplanes Where Higher Torque and Speed are
Needed.
One year warranty.
INCLUDES: One Digital Helicopter/Aircraft Servo w/Small Round Horn
Four Rectangle Grommets
Four Brass Bushings
Four Mounting Screws
One Large Round Horn
One Six Arm Horn
SPECS: Speed: .11 Sec/60 Degrees (based on 4.8 Volts)
Torque: 76.3 oz/in (5.5 kg-cm) (based on 4.8 Volts)
Weight: 1.90 oz (54 g)
Power Supply: 4.8 Volts (Futaba does not recommend using 6 volts)
Length: 1.59" (40.5mm)
Width: 0.79" (20mm)
Height: 1.48" (37.5mm)
COMMENTS: S9250 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 S9250 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 w/gyro. Dry cells are rated at
1.5 volts each making the overall voltage 6.0 volts which will
damage the **gyro**. The servo operates fine on 6.0 volts.
(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.
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