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Blue Bird BMS-705MG - Low Profile Servo
Specifications
| Last Updated: | 2025-08-04 |
| Modulation: | Analog |
| Torque: |
4.8V: 83.00 oz-in (5.98 kg-cm) 6.0V: 112.00 oz-in (8.06 kg-cm) |
| Speed: |
4.8V: 0.18 sec/60° 6.0V: 0.16 sec/60° |
| Weight: | 1.27 oz (36.0 g) |
| Dimensions: |
Length:1.65 in (41.9 mm) Width:0.85 in (21.6 mm) Height:0.87 in (22.1 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 Blue Bird BMS-705MG takes the legendary high-speed performance of the BMS-705 helicopter tail servo and adds the crucial element of a durable, all-metal gear (MG) train. This creates a servo that is not only exceptionally fast but also incredibly tough. It is designed for helicopter pilots who fly hard and want an extra margin of durability in their tail control system. While the standard BMS-705 is fast, its gears can be vulnerable in a crash. The BMS-705MG's metal gears can withstand the shock of a boom strike or a hard landing, preventing a stripped gear that would otherwise require a replacement. This makes it a very popular upgrade for 3D pilots or anyone flying in a high-risk environment.
- The combination of high speed and high durability is what defines the BMS-705MG. It retains the blistering transit time that is necessary for a locked-in tail, but adds the peace of mind that comes with a metal gear train. This means pilots can fly with more confidence, knowing that their tail servo is resilient enough to handle both the rigors of aggressive flight and the occasional mishap. It provides the best of both worlds, making it a premium choice for pilots who want a fast and reliable tail servo that is built to last.
- In robotics, the BMS-705MG’s unique feature set makes it suitable for projects that require both speed and resilience. It would be an excellent actuator for a small, fast-acting combat robot weapon, where it needs to be quick and also survive impacts. It could also be used in a high-cycle, high-speed industrial mechanism where the durability of the metal gears would lead to a much longer service life compared to a plastic-geared alternative. It's a robust solution for fast and demanding mechanical tasks.
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