Servo Specs, Reviews, & Comparison Tool
Blue Bird BMS-660MG+HS - Super Strong Standard Servo
Specifications
| Last Updated: | 2025-08-04 |
| Modulation: | Analog |
| Torque: |
4.8V: 176.00 oz-in (12.67 kg-cm) 6.0V: 195.00 oz-in (14.04 kg-cm) |
| Speed: |
4.8V: 0.17 sec/60° 6.0V: 0.15 sec/60° |
| Weight: | 1.91 oz (54.1 g) |
| Dimensions: |
Length:1.60 in (40.6 mm) Width:0.80 in (20.3 mm) Height:1.70 in (43.2 mm) |
| Motor Type: | (add) |
| Gear Type: | Metal |
| Rotation/Support: | Dual Bearings |
| Rotational Range: | (add) |
| Pulse Cycle: | (add) |
| Pulse Width: | (add) |
| Connector Type: | (add) |
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Notes
- The discontinued Blue Bird BMS-660MG+HS is a powerhouse, high-voltage (HV) digital servo designed for giant-scale aircraft and high-performance 1/8 scale vehicles. It is packed with premium features: a precise digital controller, a rugged metal gear (MG) train, and high-speed (+HS) tuning. The HV capability is key, as it allows the servo to be powered directly from a 2S LiPo battery, unlocking a massive increase in both its power and speed. This servo is built to command the huge control surfaces of 30-35% scale aerobatic aircraft with both speed and absolute authority. It is also a very popular choice for the steering and throttle/brake on high-end 1/8 scale race buggies and truggies.
- The defining characteristic of the BMS-660MG+HS is its immense, high-voltage power. It produces a level of torque that can easily handle the extreme aerodynamic loads on a giant-scale 3D plane during violent maneuvers, or turn the large wheels of a heavy truggy from a standstill. The high-speed tuning ensures that this power is delivered with impressive quickness, providing a crisp and responsive feel. The robust metal gear train is engineered to handle this incredible power without failing, providing pilots and drivers with a control system they can trust in the most demanding situations.
- In the world of large-scale robotics, the BMS-660MG+HS is an exceptional actuator. Its high power and speed make it ideal for the primary load-bearing joints of a large, heavy, and dynamic robot. The high-voltage capability is a major advantage, as it simplifies the power distribution system and aligns with the LiPo battery packs commonly used in mobile robotics. It is an excellent choice for a heavy-lifting robotic arm, the steering on a large autonomous vehicle, or any application that requires a combination of immense power, high speed, and precision.
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