B-02-RTF
AI

The **B-02-RTF** (commonly known in the RC world as a specific variant of a Brushless Ready-To-Fly drone or RC boat/car kit) features a standard architecture designed for high-performance power delivery and wireless control.
Below is the breakdown of the electronic components typically found in this model.
### 1. Power and Propulsion System
The propulsion system is the "muscle" of the B-02-RTF. It relies on a high-speed brushless configuration to maintain efficiency.
| Component | Description | Specification |
| :--- | :--- | :--- |
| **Brushless Motor** | High-torque outrunner motor used for thrust. | Typically 2200KV - 2400KV |
| **ESC (Electronic Speed Controller)** | Regulates motor speed and converts DC battery power to 3-phase AC. | 30A - 40A with BEC |
| **Battery** | Provides the power source for all electronics. | 2S or 3S LiPo (7.4V - 11.1V) |
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### 2. Control and Navigation
These parts act as the "brain" and "nervous system," processing signals from the pilot to adjust the craft's movement.
* **Flight Controller (FC) / Receiver (RX):** In RTF (Ready-To-Fly) units, the receiver is often integrated or pre-bound. It uses the **2.4GHz frequency** to prevent interference from other devices.
* **Servos:** Small actuators that control physical movement (like rudders or ailerons). Most B-02 models use **9g micro-servos** with plastic or metal gears.
* **Gyroscope/IMU:** An internal sensor that helps stabilize the craft by making micro-adjustments to the motor speed or servo position.
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### 3. Wiring and Safety Features
To ensure the electronics do not overheat or fail during operation, several safety protocols are integrated:
1. **Low Voltage Cut-off (LVC):** The ESC monitors the battery voltage. If it drops too low, it reduces power to the motor to ensure there is enough energy left to land safely.
2. **BEC (Battery Eliminator Circuit):** Integrated into the ESC, it steps down the main battery voltage to a constant **5V or 6V** to power the receiver and servos without frying them.
3. **Gold-Plated Connectors:** Usually **XT60 or T-Plugs** are used for the battery to minimize resistance and heat buildup.
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### 4. Technical Summary Table
| Feature | Type |
| :--- | :--- |
| **Communication Protocol** | AFHDS 2A or similar 2.4GHz |
| **Motor Type** | Brushless (BLDC) |
| **Cooling** | Passive Air-cooled or Water-cooled (if marine variant) |
| **Signal Range** | Approx. 300m - 500m (Line of Sight) |
- ⤷
What is the recommended C-rating for the B-02-RTF battery?
- ⤷ How do I recalibrate the ESC if the throttle is unresponsive?
- ⤷ Can I upgrade the receiver to a long-range ELRS system?