The Futaba CGY770R Helicopter Flight Control Gyro is a professional-grade 3-axis gyro system designed for 3D and F3C RC helicopter pilots who demand precision, stability, and integrated functionality. Supporting 250 to 800 size helicopters, the CGY770R combines a cyclic gyro, tail rotor gyro, governor, and built-in T-FHSS/FASSTest receiver into a single compact aluminum unit.
With support for S.Bus2 telemetry, 760µs ultra-fast response servos, and wireless programming via Futaba transmitters or the optional GPB-1 programming box, the CGY770R offers precise control and tuning flexibility for any advanced RC helicopter setup.
🔧 Key Features
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Integrated cyclic gyro, tail gyro, governor, and Futaba T-FHSS/FASSTest receiver
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High-quality 3-axis MEMS sensor + accelerometer
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Supports 760µs ultra-response servos on cyclic and tail
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S.Bus2 compatible for telemetry sensors and devices
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Wireless configuration via Futaba transmitter or GPB-1 handheld box (sold separately)
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Durable CNC aluminum housing
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Suitable for 250–800 size RC helicopters
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Rigid or tape mounting supported
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Optimized for 3D aerobatics and F3C precision flight
📐 CGY770R Specifications
| Parameter | Specification |
|---|---|
| Operating Voltage | DC 4.2V – 8.4V |
| Dimensions | 26.8 × 37.5 × 16 mm (1.055 × 1.476 × 0.63 in) |
| Weight | 20.2 g (0.71 oz) |
| Mounting Options | Rigid mount or double-sided tape |
| Receiver Integration | Built-in T-FHSS / FASSTest |
| Telemetry Support | S.Bus2-compatible sensors |
| Programming Options | Wireless via TX or GPB-1 |
🧭 GPB-1 Programming Box Specifications
| Parameter | Specification |
|---|---|
| Operating Voltage | DC 3.5V – 8.4V |
| Dimensions | 54 × 90 × 15.5 mm (2.126 × 3.543 × 0.610 in) |
| Weight | 53.3 g (1.88 oz) |
✅ Applications
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RC Helicopter stabilization and governor control for nitro/electric models
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Professional tuning for 3D flight and F3C precision maneuvers
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Full telemetry integration for voltage, RPM, and more with S.Bus2 devices
The CGY770R Helicopter Flight Control Gyro is the gold standard for advanced helicopter stabilization, offering the precision and reliability trusted by top F3C and 3D pilots worldwide. Its seamless integration, wireless setup, and telemetry compatibility make it a cornerstone of high-performance helicopter builds.


Futaba CGY770R Gyro with GPB-1 programming box for RC models.
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