Servo Specs, Reviews, & Comparison Tool
Cirrus CS-30BB - Pro Mini Servo
Specifications
| Last Updated: | 2025-08-04 |
| Modulation: | (add) |
| Torque: |
4.8V: 47.20 oz-in (3.40 kg-cm) |
| Speed: |
4.8V: 0.18 sec/60° |
| Weight: | 0.85 oz (24.1 g) |
| Dimensions: |
Length:1.22 in (31.0 mm) Width:0.63 in (16.0 mm) Height:1.21 in (30.7 mm) |
| Motor Type: | (add) |
| 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 Cirrus CS-30BB is a high-performance analog sub-micro servo that brings the precision of a dual ball bearing (BB) supported output shaft and a powerful motor to the popular 9-gram class. This servo is designed for pilots who demand both high torque and high precision from a small and lightweight package. It is an excellent choice for the cyclic controls on 450-class helicopters, where the combination of holding power and slop-free operation is critical for stable 3D flight. It is also a fantastic servo for the control surfaces on larger, faster park flyers or small gliders that experience high aerodynamic loads.
- The essence of the CS-30BB is its "strong and smooth" performance. The powerful motor provides the torque needed to move control surfaces with authority, preventing blowback and providing a solid, connected feel. The dual ball bearings ensure that this power is delivered with exceptional smoothness and precision, eliminating the gear slop that can plague lesser servos. This combination gives pilots the confidence to fly more aggressively, knowing their control system is both powerful and incredibly accurate.
- In robotics, the CS-30BB is a potent and precise actuator for small-scale projects. Its high torque makes it suitable for building strong robotic grippers or for the load-bearing joints of a small walking robot. The dual ball bearing design provides the precision needed for accurate manipulators or stable sensor platforms. It is a premium choice for any robotics project that requires a combination of high strength and high-fidelity positioning in a compact form factor.
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