| Features
Futaba S9551 Low Profile Digital
High Speed/Torq Servo FUTM0661 w/Coreless Motor for Aircraft and Car Use.
 Features
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Futaba S9551 Low Profile
Digital High Speed/Torq Servo FUTM0661
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Digitally enhanced
microprocessor cuts about half of the response time from transmitter input
to servo reaction
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Low profile allows for the
servo to fit into wings and lie down in car chassis for less obstruction
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Coreless motor
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Metal gears
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Dual ball-bearings
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Black plastic case
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Dust and water resistant (not
waterproof)
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One year limited warranty
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Ideal for F3A aileron
application and 1/10 scale electric touring car
Specifications
Package Contents -
Futaba S9551 Low Profile
Digital High Speed/Torq Servo FUTM0661
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One S9551 Digital Low Profile
Servo with 0.83" (21mm) diameter round horn
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1.7" (44mm) long T-shaped horn
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four eylets, two rubber
gromments (order FUTM2250 if mounting screws are needed)
Comments
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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 S9551 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) When Using Systems With the Battery Fail Safe Function
it Has a Higher Cut-Off Voltage Setting Which Will Cause Shorter Operation
Time. (2) 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.
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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
Terratop, T3EGX, T3PGE, T2NL, T2LGX, T2FR, T2PK series. For full performance
use with FM, PCM and HR systems.
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A note on Coreless motors. A
conventional servo motor has a steel core armature wrapped with 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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