Futaba GY401_S9254 SMM Gyro and S9254 Coreless Servo Package [GY401_S9254]

Futaba GY401_S9254 - GY401 Gyro w/SMM Technology + S9254 Digital Coreless High Torque

Price:

NZD$372.84

Brand:

Futaba

Model:

GY401_S9254

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R/C Models - System - Gyroscopes

Tight tail tracking using the Futaba GY401_S9254

Built for rotorheads who demand consistent yaw control, the Futaba GY401_S9254 brings SMM gyro accuracy together with the S9254 digital coreless servo for clean, repeatable tail response. The setup favours pilots upgrading to higher precision electronics.

Key strengths of the GY401 system

AVCS System: Reduces rudder trim drift from changing air or rotor loads so the tail stays predictable during complex manoeuvres.
SMM Gyro Sensor: Improves stability by detecting and correcting subtle motion before trim becomes necessary.
Digital Servo Support: DS mode enhances servo responsiveness when used with Futaba digital servos for crisper control feel.
Remote Gain and Mode Switching: Adjust sensitivity and switch modes from your transmitter for quick setup changes at the field.
Compact, Low-Mass Package: Space-saving layout and lightweight construction simplify fitting into performance helis.
Conductive Resin Enclosure: Helps shield sensitive electronics from static and EMI for cleaner signals.

Specifications

Length (Gyro/Servo): 1.1" (27mm) / 1.6" (40mm)
Width (Gyro/Servo): 1.1" (27mm) / .79" (20mm)
Height (Gyro/Servo): .79" (20mm) / 1.4" (36.2mm)
Weight (Gyro/Servo): .95oz (27g) / 1.8oz (50g)
Torque: 47 oz-in
Speed: .06 sec/60°

The Futaba GY401_S9254 is well suited to pilots wanting dependable tail behaviour and smooth 3D performance while keeping installation and tuning manageable.

Can I change gyro gain from my radio mid flight?

Yes. The GY401 supports remote gain trimming so you can adjust sensitivity via a transmitter channel while flying for quick dialing in.

Is the S9254 strong enough for 3D tail loads?

The S9254 coreless digital servo delivers fast response and adequate torque for many 3D tail setups; match servo travel and horn geometry to your tail mechanics for best results.

What mounting tips improve gyro performance?

Mount the gyro on a stable platform with minimal flex, keep wiring tidy to avoid noise, and ensure the servo linkage is free of slop for the most consistent control feel.

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