Servo Specs, Reviews, & Comparison Tool
Blue Bird BMS-380MG - Standard Servo
Specifications
| Last Updated: | 2025-08-04 |
| Modulation: | Analog |
| Torque: |
4.8V: 50.00 oz-in (3.60 kg-cm) 6.0V: 57.00 oz-in (4.10 kg-cm) |
| Speed: |
4.8V: 0.15 sec/60° 6.0V: 0.14 sec/60° |
| Weight: | 0.58 oz (16.4 g) |
| Dimensions: |
Length:1.20 in (30.5 mm) Width:0.50 in (12.7 mm) Height:1.00 in (25.4 mm) |
| Motor Type: | (add) |
| Gear Type: | Metal |
| Rotation/Support: | (add) |
| Rotational Range: | (add) |
| Pulse Cycle: | (add) |
| Pulse Width: | (add) |
| Connector Type: | (add) |
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Notes
- The discontinued Blue Bird BMS-380MG takes the powerful and reliable design of the standard BMS-380 and enhances it with the critical addition of a full metal gear (MG) train. This creates a sub-micro servo that is renowned for being both strong and exceptionally tough. It is designed for applications where high torque and high durability are equally important. It has become a favorite among pilots of 450-class helicopters for cyclic control, as the metal gears can easily withstand the constant vibration and high loads of 3D flight. It is also a very popular choice for the steering systems on 1/16 and 1/18 scale RC cars and trucks, where the servo must endure the constant shocks and impacts of off-road driving.
- The core identity of the BMS-380MG is its ruggedness. While the standard BMS-380 is powerful, the MG version adds a layer of near-invincibility to the gear train. This provides pilots and drivers with invaluable peace of mind, knowing that a rough landing, a crash, or a collision with an obstacle is unlikely to result in a stripped servo gear. This not only increases the longevity of the component but also enhances the overall reliability of the model, preventing failures that could be costly or dangerous.
- For robotics engineers, the BMS-380MG is a fantastic problem-solver. Its combination of high torque and extreme durability in a compact package makes it ideal for a wide range of demanding tasks. It is an excellent actuator for the joints of a robust walking robot that is expected to operate on uneven terrain. It is also a prime candidate for building powerful end-effectors or grippers for robotic arms that will be used to interact with a physical environment. For any robotics project that needs to be "student-proof" or "field-proof," the toughness of the BMS-380MG makes it a very wise choice.
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