Servo Specs, Reviews, & Comparison Tool
Arced D541BB - Nano Digital Servo
Specifications
| Last Updated: | 2025-08-05 |
| Modulation: | Digital |
| Torque: |
4.8V: 8.30 oz-in (0.60 kg-cm) |
| Speed: |
4.8V: 0.09 sec/60° |
| Weight: | 0.16 oz (4.5 g) |
| Dimensions: |
Length:0.75 in (19.1 mm) Width:0.31 in (7.9 mm) Height:0.77 in (19.6 mm) |
| Motor Type: | Coreless |
| Gear Type: | (add) |
| Rotation/Support: | Single Bearing |
| Rotational Range: | (add) |
| Pulse Cycle: | (add) |
| Pulse Width: | (add) |
| Connector Type: | (add) |
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Notes
- The discontinued Arced D541BB is a premium digital servo in the sub-micro class that combines a powerful motor with the precision of a ball bearing (BB) supported output shaft. This servo is designed for high-stress applications where both high torque and pinpoint accuracy are required. While it shares the digital architecture and ball bearing of its siblings, the D541BB is tuned to provide a greater level of holding power and strength. This makes it an outstanding choice for the cyclic controls on aggressively flown 3D helicopters, where the servo must resist high G-forces, or for the control surfaces on larger, faster park jets and flying wings where aerodynamic blowback is a concern.
- The essence of the D541BB is its "strong and precise" nature. The powerful motor provides the muscle to move control surfaces with authority, giving the pilot a solid and confident feel. The ball bearing ensures that this power is delivered with exceptional smoothness and without any of the play or slop that can compromise control accuracy. This combination allows pilots to fly with more aggression and precision, knowing their control system is both powerful enough for the maneuver and accurate enough for a perfect recovery.
- For roboticists, the D541BB's combination of high torque and high precision makes it a very capable actuator. It is an excellent choice for the load-bearing joints of a small walking robot that needs to be both strong and agile. It would also be ideal for building a powerful and precise robotic gripper that needs to apply a significant clamping force while still offering fine control. It’s a top-tier choice for compact robotics projects that demand both strength and finesse.
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