Servo Specs, Reviews, & Comparison Tool
Blue Bird BMS-375DD - Digital Micro Servo
Specifications
| Last Updated: | 2025-08-04 |
| Modulation: | Digital |
| Torque: |
4.8V: 22.00 oz-in (1.58 kg-cm) 6.0V: 28.00 oz-in (2.02 kg-cm) |
| Speed: |
4.8V: 0.11 sec/60° |
| Weight: | 0.34 oz (9.6 g) |
| Dimensions: |
Length:0.97 in (24.6 mm) Width:0.45 in (11.4 mm) Height:0.91 in (23.1 mm) |
| Motor Type: | (add) |
| Gear Type: | Metal |
| Rotation/Support: | Single Bearing |
| Rotational Range: | (add) |
| Pulse Cycle: | (add) |
| Pulse Width: | (add) |
| Connector Type: | (add) |
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Notes
- The discontinued Blue Bird BMS-375DD is a high-performance digital servo in the 9-gram class that features a "Direct Drive" (DD) or coreless motor, offering a superior level of speed and smoothness. It is designed for pilots who prioritize a refined, high-fidelity control feel. The digital controller provides excellent resolution and holding power, while the coreless motor eliminates the "cogging" feel of conventional motors, resulting in a very fluid and precise response. This makes it an excellent choice for applications where smooth, proportional control is just as important as speed, such as on the swashplate of a flybarless helicopter or for the control surfaces on a precision aerobatic (F3A) pattern plane.
- The character of the BMS-375DD is defined by its refined agility. It feels both quick and exceptionally smooth, allowing pilots to execute maneuvers with a high degree of grace and precision. For a helicopter pilot, this translates to a very connected feel and stable pirouettes. For a pattern plane pilot, it means smoother, more consistent lines and radii in complex geometric figures. It's a servo that rewards a pilot's finesse and provides the accuracy needed for top-level competition. The standard gear train is often a durable plastic or karbonite, prioritizing low backlash and smoothness.
- In the world of robotics, the BMS-375DD is an excellent choice for applications that require fluid, lifelike motion. It would be ideal for the head and neck joints of an animatronic character to create smooth, natural movements. It is also a great candidate for a high-performance camera gimbal on a drone or rover, where its smooth, jitter-free operation would result in a more stable and professional-looking video feed. Any project that aims to replicate organic motion would benefit from this servo's unique blend of digital precision and coreless fluidity.
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