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The Spirit RS3 is a modern flybarless and stabilization unit for demanding RC helicopter pilots. It combines a powerful Spirit 3 control unit with an integrated JETI DUPLEX 2.4 GHz telemetry receiver in a particularly compact and high-quality aluminum housing.
This combination makes the setup inside the model much cleaner: fewer external components, fewer cables and particularly direct integration into the JETI system. The Spirit RS3 is ideal for pilots looking for a powerful flybarless system with full JETI DUPLEX support, extensive telemetry and modern safety functions.
The Spirit RS3 combines two central components in one compact unit: the proven Spirit 3 flybarless hardware and a fully integrated JETI DUPLEX telemetry receiver. This eliminates the need for a separate receiver, simplifies installation and reduces wiring inside the model.
Especially for JETI pilots, the RS3 is a very elegant solution, as receiver, stabilization, telemetry and FBL functions are optimally combined.
The Spirit RS3 is equipped with a modern 32-bit ARM M7 processor with high computing power. This provides large performance reserves for complex calculations, precise stabilization, logging and future functions.
The fast signal processing ensures a very direct, clean and controlled flight feel – from calm scale flying to dynamic 3D flying.
The integrated 20-bit IMU motion sensor enables very accurate detection of model movements. In combination with the Spirit algorithms, this ensures excellent stabilization and high vibration resistance.
In addition, the Spirit RS3 features a precise pressure sensor for altitude measurement. This can be used for various functions, for example altitude hold or support of the automatic rescue function.
The Spirit RS3 offers extensive telemetry and model analysis options. Via JETI DUPLEX, sensor values and important system information can be used conveniently. In addition, the system supports many common ESC telemetry protocols.
With the integrated logging function, flight data and events can be recorded. This helps with troubleshooting, setup optimization and analysis of the model’s behavior.
In addition to classic flybarless stabilization, the Spirit RS3 offers numerous additional functions. These include a reliable rescue function, integrated bank switching and a governor for electric, nitro and gasoline helicopters.
This makes the RS3 a versatile and powerful solution for scale pilots and beginners as well as experienced 3D pilots.
| Product | Spirit RS3 |
| Function | Flybarless and stabilization unit with integrated JETI DUPLEX receiver |
| Housing | CNC-machined, anodized and sandblasted aluminum housing |
| Color | Red / black, matte |
| Material | AL6061-T6 aluminum |
| Dimensions | 36.8 × 27.15 × 15.8 mm |
| Weight | 19 g |
| Power Supply | 3.2 – 10 V @ 55 mA |
| Operating Temperature | -10 °C to 60 °C |
| Processor | 32-bit ARM M7, 468 DMIPS |
| Sensors | MEMS sensor with 20-bit IMU, rotation up to 4000°/s |
| Receiver | Integrated JETI DUPLEX 2.4 GHz telemetry receiver |
| Antennas | 2 × 20 cm full-range antennas |
| Output Power | max. 15 dBm |
| Receiver Sensitivity | -106 dBm |
| Telemetry Ports | 2 independent ports for JETI DUPLEX sensors |
| Connections | 3 × power supply, 4 × servo outputs |
| Servo Support | 1520 / 960 / 760 µs @ 50 – 700 Hz |
| Swashplate Mixing | CCPM 90° / 120° / 135° / 140° |