Servo Specs, Reviews, & Comparison Tool
Cirrus CS-25BB - Sub-Micro Pro Servo
Specifications
| Last Updated: | 2025-08-04 |
| Modulation: | (add) |
| Torque: |
4.8V: 36.00 oz-in (2.59 kg-cm) |
| Speed: |
4.8V: 0.13 sec/60° |
| Weight: | 0.46 oz (13.0 g) |
| Dimensions: |
Length:1.06 in (26.9 mm) Width:0.50 in (12.7 mm) Height:0.88 in (22.4 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-25BB is a high-quality analog micro servo that stands out by bringing the premium feature of dual ball bearings (BB) to a compact and lightweight package. It is designed for pilots of small, high-performance aircraft who demand a higher level of precision and durability than standard micro servos can offer. The CS-25BB is an excellent choice for the flight controls on performance-oriented park flyers, small electric sailplanes, and hand-launch gliders. The dual ball bearing supported output shaft provides an exceptionally smooth and rigid platform, eliminating the slop that can develop in bushing-equipped servos and leading to a much more accurate and connected control feel.
- The essence of the CS-25BB is its refined precision and longevity. The dual ball bearings not only provide a smoother operation but also significantly increase the servo's lifespan by reducing wear on the gear train. This means the servo maintains its like-new" accuracy for much longer which is a significant benefit for any pilot who values consistent performance. It allows for more precise flight control which is especially beneficial for disciplines like thermal soaring or scale aerobatics where small accurate adjustments are key.
- For roboticists the CS-25BB's precision and durability make it a superior choice for small-scale projects. It is ideal for building highly stable and jitter-free camera gimbals or sensor platforms. It would also be the preferred actuator for the joints of a small precise robotic arm where its slop-free nature would contribute to more accurate and repeatable movements. It's a premium component for any compact robotics project where accuracy and reliability are top priorities."
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