Futaba S9551 Low Profile Servo - Metal Gears and Coreless Motor [S9551]

Price:

AUD$121.99

Brand:

Futaba

Model:

S9551

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R/C Models - System - Servo - Low Profile Servos

Low Profile Precision: Futaba S9551

The Futaba S9551 Low Profile Digital Servo combines compact sizing with responsive control for both car and aircraft installations. It is engineered to fit narrow bays while maintaining consistent movement and accuracy.

Why RC Drivers Choose This Servo

Coreless Motor: Faster spin-up and improved centre accuracy versus brushed motors.
Metal Gears: Durable gearing to handle repeated heavy inputs without premature wear.
Dual Ball Bearings: Stable shaft support that lowers friction and noise.
Dust and Water Resistant: Basic protection from dust and light moisture helps reliability in mixed conditions.

Specifications

Speed: 0.14 sec/60° at 4.8V; 0.11 sec/60° at 6.0V
Torque: 98 oz-in (7.0 kg-cm) at 4.8V; 122 oz-in (8.8 kg-cm) at 6.0V
Weight: 1.6 oz (45 g)
Dimensions: 1.6 x 0.8 x 1.0 inches (41 x 20 x 25 mm)
Mounting Hole Centers: 0.39 inches (10 mm)
Horn Screw Size: 3x8 mm

For modellers who need a compact, dependable servo, the Futaba S9551 brings sturdy gears and quick response for demanding control tasks.

How do I check servo centring before installation?

Use your transmitter trims or a bench tester to find and fix the neutral position, then attach the horn carefully to avoid introducing bias.

Can I increase torque by raising voltage?

Higher voltage up to 6.0V will increase torque and speed as specified, but confirm your receiver tolerance and battery setup first.

Is this servo a good upgrade for club racing cars?

Yes, its metal gears and quick response make it a sensible upgrade for drivers seeking firmer steering and faster correction on the track.

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