Servo Specs, Reviews, & Comparison Tool
Arced D531BB - Nano Digital Servo
Specifications
| Last Updated: | 2025-08-05 |
| Modulation: | Digital |
| Torque: |
4.8V: 7.10 oz-in (0.51 kg-cm) |
| Speed: |
4.8V: 0.09 sec/60° |
| Weight: | 0.14 oz (3.9 g) |
| Dimensions: |
Length:0.75 in (19.1 mm) Width:0.31 in (7.9 mm) Height:0.69 in (17.5 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 D531BB is a high-performance digital sub-micro servo that is engineered for applications demanding the utmost in precision and smoothness. Its two standout features are its responsive digital (D) controller and a high-quality, slop-free ball bearing (BB) supported output shaft. This combination makes it a premier choice for the discerning pilot who values a refined control feel. The D531BB is perfectly suited for the cyclic controls on a high-performance 450-class helicopter, where its precise, jitter-free movement contributes to a stable and locked-in feel. It is also an excellent choice for the flight controls on a small pattern or aerobatic aircraft where smooth, accurate lines are essential for a polished performance.
- The character of the D531BB is defined by its high-fidelity response. The digital controller provides the intelligence for crisp centering and strong holding power, while the ball bearing provides the mechanical perfection to match. This synergy results in a servo that feels incredibly connected and accurate, translating the pilot's slightest command into a proportional and fluid movement at the control surface. The durability of the ball bearing also ensures that this exceptional level of precision is maintained over a long service life, making it a wise investment for any serious pilot.
- In robotics, the D531BB is a superb actuator for projects where accuracy is the most critical requirement. It is an ideal choice for building a highly stable camera gimbal for a small drone, a precise laser-pointing mechanism, or the delicate joints of a small robotic manipulator. When a project demands smooth motion and unerring, repeatable positioning, the D531BB delivers a premium level of performance.
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